Artykuły w czasopismach na temat „Mosquito control”
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Niang, El Hadji Amadou, Hubert Bassene, Florence Fenollar i Oleg Mediannikov. "Biological Control of Mosquito-Borne Diseases: The Potential ofWolbachia-Based Interventions in an IVM Framework". Journal of Tropical Medicine 2018 (15.11.2018): 1–15. http://dx.doi.org/10.1155/2018/1470459.
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People living in the tropical and subtropical regions of the world face an enormous health burden due to mosquito-borne diseases such as malaria, dengue fever, and filariasis. Historically and today, targeting mosquito vectors with, primarily, insecticide-based control strategies have been a key control strategy against major mosquito-borne diseases. However, the success to date of such approaches is under threat from multiple insecticide resistance mechanisms while vector control (VC) options are still limited. The situation therefore requires the development of innovative control measures against major mosquito-borne diseases. Transinfecting mosquitos with symbiotic bacteria that can compete with targeted pathogens or manipulate host biology to reduce their vectorial capacity are a promising and innovative biological control approach. In this review, we discuss the current state of knowledge about the association between mosquitoes andWolbachia, emphasizing the limitations of different mosquito control strategies and the use of mosquitoes’ commensal microbiota as innovative approaches to control mosquito-borne diseases.
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Wartono, Wartono, Mohammad Soleh i Yuslenita Muda. "MATHEMATICAL MODEL OF DENGUE CONTROL WITH CONTROL OF MOSQUITO LARVAE AND MOSQUITO AFFECTED BY CLIMATE CHANGE". BAREKENG: Jurnal Ilmu Matematika dan Terapan 15, nr 3 (1.09.2021): 417–26. http://dx.doi.org/10.30598/barekengvol15iss3pp417-426.
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Consider a SIR model for the spread of dengue hemorrhagic fever involving three populations, mosquito eggs, mosquitoes, and humans. The parameters of the SIR model were estimated using rainfall data and air temperature for the cities of Pekanbaru and Solok. The main aim of this paper is to determine the effect of mosquito larvae and adult mosquito control on the spread of the dengue virus. Numerical solutions were also presented by using the Runge-Kutta method of order 4. Based on the results, the SIR model was obtained by involving the control parameters of mosquito larvae and adult mosquitoes. Besides, the mosquito population is affected by changes in temperature, rainfall, and fog. Numerical simulations illustrate that the number of infected mosquitoes and infected humans is influenced by the parameters of the percentage of mortality of mosquito larvae and adult mosquitoes.
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Gupta, Renu. "Role of Pyrethroid-elicited Mosquito Behaviour in Control Programmes". Journal of Communicable Diseases 54, nr 03 (30.09.2022): 88–94. http://dx.doi.org/10.24321/0019.5138.202293.
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This review study envisages the role of insecticide-elicited mosquito behaviour for disease eradication programmes. Changes in behaviour due to insecticides may, at times, be of more practical importance than the actual lethal effect of the insecticide, especially if these changes help to disrupt the contact between man and mosquito. Two important aspects of mosquito behaviour, either repellency or irritability and biting patterns in response to insecticide exposure have been taken into consideration. This paper throws light on the significance of two synthetic pyrethroids, permethrin and deltamethrin, when impregnated into mosquito nets for self-protection and vector control. The determination of any changes with respect to behaviour of mosquitoes, before and after the introduction of bed nets is reflected in the potential of the mosquitoes to transmit diseases and can be of great epidemiological significance in mosquito abatement programmes.
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Lei, Bingyin, Kaiye Gao, Li Yang i Shu Fang. "A Model of Optimal Interval for Anti-Mosquito Campaign Based on Stochastic Process". Mathematics 10, nr 3 (29.01.2022): 440. http://dx.doi.org/10.3390/math10030440.
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Mosquito control is very important, in particular, for tropical countries. The purpose of mosquito control is to decrease the number of mosquitos such that the mosquitos transmitted diseases can be reduced. However, mosquito control can be costly, thus there is a trade-off between the cost for mosquito control and the cost for mosquitos transmitted diseases. A model is proposed based on renewal theory in this paper to describe the process of mosquitos’ growth, with consideration of the mosquitos transmitted diseases growth process and the corresponding diseases treatment cost. Through this model, the total mosquitos control cost of different strategies can be estimated. The optimal mosquito control strategy that minimizes the expected total cost is studied. A numerical example and corresponding sensitivity analyses are proposed to illustrate the applications.
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Hareem Sajjad i Neelam Arif. "Biological Control of Mosquito Vectors". Scientific Inquiry and Review 3, nr 1 (31.01.2019): 25–32. http://dx.doi.org/10.32350/sir.31.03.
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The main purpose of this review paper is to study different biological control methods for controlling mosquito vectors. Mosquitoes act as vector for many harmful diseases including malaria, dengue fever, yellow fever, filarial, encephalitis, chikungunya, dengue and poly arthritis. The use of chemical insecticides for controlling mosquitoes is limited because they develop resistance against these insecticides. So, efforts have been made to control the mosquito vectors by eco-friendly techniques. At present, biocontrol agents are used to control the mosquito species with the aim to reduce the impact and cost of insecticide based strategies. These biocontrol agents involve the use of natural enemies including bacteria, fungi, larvivorous fish, protozoans and nematodes. These agents target mosquitoes at different stages of their life cycle. In this paper, we focus on several bio-controlling methods used to reduce the population of mosquito vectors.
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Kim, Kyukwang, Jieum Hyun, Hyeongkeun Kim, Hwijoon Lim i Hyun Myung. "A Deep Learning-Based Automatic Mosquito Sensing and Control System for Urban Mosquito Habitats". Sensors 19, nr 12 (21.06.2019): 2785. http://dx.doi.org/10.3390/s19122785.
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Mosquito control is important as mosquitoes are extremely harmful pests that spread various infectious diseases. In this research, we present the preliminary results of an automated system that detects the presence of mosquitoes via image processing using multiple deep learning networks. The Fully Convolutional Network (FCN) and neural network-based regression demonstrated an accuracy of 84%. Meanwhile, the single image classifier demonstrated an accuracy of only 52%. The overall processing time also decreased from 4.64 to 2.47 s compared to the conventional classifying network. After detection, a larvicide made from toxic protein crystals of the Bacillus thuringiensis serotype israelensis bacteria was injected into static water to stop the proliferation of mosquitoes. This system demonstrates a higher efficiency than hunting adult mosquitos while avoiding damage to other insects.
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Madhav, Mukund, Kim R. Blasdell, Brendan Trewin, Prasad N. Paradkar i Adam J. López-Denman. "Culex-Transmitted Diseases: Mechanisms, Impact, and Future Control Strategies using Wolbachia". Viruses 16, nr 7 (15.07.2024): 1134. http://dx.doi.org/10.3390/v16071134.
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Mosquitoes of the Culex genus are responsible for a large burden of zoonotic virus transmission globally. Collectively, they play a significant role in the transmission of medically significant diseases such as Japanese encephalitis virus and West Nile virus. Climate change, global trade, habitat transformation and increased urbanisation are leading to the establishment of Culex mosquitoes in new geographical regions. These novel mosquito incursions are intensifying concerns about the emergence of Culex-transmitted diseases and outbreaks in previously unaffected areas. New mosquito control methods are currently being developed and deployed globally. Understanding the complex interaction between pathogens and mosquitoes is essential for developing new control strategies for Culex species mosquitoes. This article reviews the role of Culex mosquitos as vectors of zoonotic disease, discussing the transmission of viruses across different species, and the potential use of Wolbachia technologies to control disease spread. By leveraging the insights gained from recent successful field trials of Wolbachia against Aedes-borne diseases, we comprehensively discuss the feasibility of using this technique to control Culex mosquitoes and the potential for the development of next generational Wolbachia-based control methods.
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Kalan, Katja, Jana Šušnjar, Jure Jugovic i Vladimir Ivović. "Pilot Study of Invasive Mosquito Species Control in Selected Slovenian Municipalities". Acta Veterinaria 72, nr 2 (1.06.2022): 256–67. http://dx.doi.org/10.2478/acve-2022-0020.
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Abstract To reduce the population of the Asian tiger mosquito Aedes albopictus (Skuse, 1894) (Diptera: Culicidae), a mosquito control campaign was organized by five Slovenian municipalities in 2020. The campaign focused on the application of Aquatain AMFTM in public water containers. The main objective of our study was to test the efficacy of the agent by directly testing the water drains for mosquito larvae and monitoring the density of the mosquito population. The drains were inspected before and after the application of the product from May to September. A water sample was taken from the drains using a dipper. For mosquito monitoring, the number of mosquito eggs and adult mosquitoes was counted from June to October. Up to two weeks after the application of the product, we observed the lethal effect of Aquatain on mosquito larvae, pupae and adult mosquitoes. After rainfall, the product was washed away and the live mosquitoes were sampled in the inspected water drains. The average number of eggs collected per site was twice as high in the area without mosquito control as in the threated locations. Nevertheless, we assessed the mosquito control campaign as partially successful, as mosquito abundance was still high in the locations with mosquito control. However, we believe that this is a good starting point and that mosquito control should be continued in the future together with the citizen education campaign.
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Cloherty, Erin R., Janet C. Mcallister, James A. Ottea, Kristen Healy i Claudia Riegel. "A Survey on Mosquito Control Knowledge and Insecticide Use in New Orleans, La, 2020–2021". Journal of the American Mosquito Control Association 39, nr 4 (1.12.2023): 243–50. http://dx.doi.org/10.2987/23-7123.
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ABSTRACT Mosquitoes are a known public nuisance and can vector various diseases. Historically, New Orleans, LA, has long been acquainted with the burden of mosquito-borne diseases, such as malaria and yellow fever in the 20th century and West Nile virus in the 21st century. Government mosquito control awareness campaigns have been around for decades as has the use of organophosphate and pyrethroid insecticides by mosquito abatement districts. However, few data are available on public perception of mosquito control and public usage of insecticides to kill mosquitoes in New Orleans. We conducted a survey from August 2020 to July 2021 to evaluate New Orleans residents’ 1) general knowledge regarding mosquito control and 2) what measures and products they use to control mosquitoes. The aim of this survey was to determine how residents contribute to backyard mosquito control by do-it-yourself or professional applications of insecticides. The survey was disseminated both online and via mail. Of the 396 survey participants, nearly all (99.48%) agreed that mosquito control is important in New Orleans because it prevents mosquito bites (30.85%), prevents mosquito borne-diseases (38.51%), and prevents nuisance mosquitoes (29.17%). More than one-third (35%) of survey participants indicated that they empty containers to reduce adult mosquitoes on their own property. More than two-thirds of the participants (69.95%) would not hire a pest management professional to spray their yard for adult mosquitoes, and only 20% of survey participants do apply a pesticide to kill adult mosquitoes on their own property. None of our findings were associated with the level of education, gender, or age of participants. This study suggests that the City of New Orleans Mosquito, Termite and Rodent Control Board educational and outreach campaigns may be an effective tool in spreading mosquito control awareness and contribute to residents’ knowledge of mosquito control. The data we collected indicate that residents understand what mosquito control is and why it is important in New Orleans.
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Yagoo, Alex, M. C. John Milton i Jelin Vilvest. "Investigating the Insecticidal Properties of Alangium salviifolium Root Extracts on Culex quinquefasciatus Mosquitoe". Biology, Medicine, & Natural Product Chemistry 12, nr 2 (28.12.2023): 619–24. http://dx.doi.org/10.14421/biomedich.2023.122.619-624.
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This study evaluated the effectiveness of successive hexane, chloroform, and methanol extracts of Alangium salviifolium roots in combating mosquito-borne diseases caused by Culex quinquefasciatus mosquitoe in India. The hexane extract showed the highest efficacy with LC50 values of 105.0 ppm (larvicidal activity), 108.0 ppm (pupicidal activity), and 65.6 ppm (ovicidal activity). The chloroform extract had LC50 values of 156.8 ppm (larvicidal), 376.0 ppm (pupicidal), and 20.0 ppm (ovicidal), while the methanol extract had LC50 values of 235.7 ppm (larvicidal), 441.8 ppm (pupicidal), and 30.4 ppm (ovicidal). The hexane extract of A. salviifolium roots shows potential as a mosquito control agent, specifically against Cx. quinquefasciatus mosquitoes. Further studies are needed to assess the safety and effectiveness of this extract. This research highlights the potential of plant extracts as alternative mosquito control agents for mitigating mosquito-borne diseases in India.
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Huang, Wei, Janneth Rodrigues, Etienne Bilgo, José R. Tormo, Joseph D. Challenger, Cristina De Cozar-Gallardo, Ignacio Pérez-Victoria i in. "Delftia tsuruhatensis TC1 symbiont suppresses malaria transmission by anopheline mosquitoes". Science 381, nr 6657 (4.08.2023): 533–40. http://dx.doi.org/10.1126/science.adf8141.
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Malaria control demands the development of a wide range of complementary strategies. We describe the properties of a naturally occurring, non–genetically modified symbiotic bacterium, Delftia tsuruhatensis TC1, which was isolated from mosquitoes incapable of sustaining the development of Plasmodium falciparum parasites. D. tsuruhatensis TC1 inhibits early stages of Plasmodium development and subsequent transmission by the Anopheles mosquito through secretion of a small-molecule inhibitor. We have identified this inhibitor to be the hydrophobic molecule harmane. We also found that, on mosquito contact, harmane penetrates the cuticle, inhibiting Plasmodium development. D. tsuruhatensis TC1 stably populates the mosquito gut, does not impose a fitness cost on the mosquito, and inhibits Plasmodium development for the mosquito’s life. Contained field studies in Burkina Faso and modeling showed that D. tsuruhatensis TC1 has the potential to complement mosquito-targeted malaria transmission control.
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Raiha Fatima i Muhammad Kamran. "Potential of Gut Microbiome in mosquitoes for Dengue Vector Control". Journal of Islamabad Medical & Dental College 12, nr 3 (17.10.2023): 214–21. http://dx.doi.org/10.35787/jimdc.v12i3.1024.
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Medically important mosquito species belonging to genus Aedes are a major public health concern due to their ability to be efficient vectors of dengue, Chikungunya, Zika, and other arboviruses. With limited vaccines available and no effective therapeutic treatments against arboviruses, the control of Aedes mosquito populations is currently the only strategy to prevent disease transmission. The risk of contracting dengue infection has increased dramatically since 190s. This upward trend is due to increases in long-distance travel, population growth and urbanization, lack of sanitation, ineffective mosquito control, and increases the surveillance and official reporting of dengue cases. Traditional control of mosquito vectors using various insecticides has caused toxic effect on environment and living communities, pro magnification, non- target effect and above all developed resistance in vector mosquitoes. Therefore, new tools and strategies are required to control mosquito vectors to control these diseases. Recent studies on midgut and other organs in mosquito vectors indicated the presence of diverse and dynamic microbial flora, known as microbiota. These microbes are mostly containing symbiotic microbiota play a key role in mosquito physiology, reproductive capacity and immunity. The midgut microbiota have also suggested to alter the competency of mosquitoes to transmit various pathogens (arboviruses, malaria parasites etc.). Many of these symbiotic bacteria have been explored for the potential to combat mosquito borne diseases such as dengue, malaria, Zika, yellow fever etc. The possibility to rear mosquitoes in which a particular bacterial species is dominant among the gut microbiota supports the development of strategies based on symbionts that induce antiviral responses or antiviral molecules in Ades mosquitoes
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UB, Muhammad Iqbal. "Aedes Mosquito: Disease and Control". Pharmaceutical Drug Regulatory Affairs Journal 7, nr 1 (29.01.2024): 1–2. http://dx.doi.org/10.23880/pdraj-16000152.
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Parker-Crockett, Casey, Shelli Rampold, Sebastion Galindo, J. C. Bunch, Heather Yoder, Anthony Andenoro, C. Roxanne Connelly, Andrea Lucky i Ricky Telg. "Fight The Bite: Implementation of Mosquito-Based Curriculum in Elementary, Middle, and High Schools in Florida". Journal of Agricultural Education 63, nr 2 (30.06.2022): 37–51. http://dx.doi.org/10.5032/jae.2022.02037.
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Mosquitoes are both a nuisance and public health threat. In recent decades, outbreaks of dengue, chikungunya, and Zika in Florida have raised awareness of the importance of domestic and peri-domestic container mosquitoes, Aedes aegypti and Aedes albopictus. The synanthropic nature of these species, coupled with their preference for human bloodmeals, makes them a concern of and target for mosquito control. However, mosquito control programs (MCPs) often struggle to sustainably manage these mosquitoes because of the cryptic and abundant nature of their larval habitats, and negative public opinion towards MCPs and the use of insecticides. Fortunately, mosquito control can be improved by the actions of homeowners and residents as they have regular access to their own property and containers. School-based education programs can provide a means to community-wide education regarding mosquito control. We developed and delivered a mosquito education program to elementary, middle, and high school students. Knowledge of mosquitoes significantly improved in participating elementary and middle/ high school students. This knowledge was partially retained according to a follow-up test that was administered. Additionally, attitudes towards mosquito control and at-home control methods significantly improved following the instruction. The improvements in knowledge and attitudes observed in students suggest they can and should be targeted for mosquito education campaigns by mosquito control programs and educators.
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Madhuri, Burjikindi, Kolli Bharghavi, Satwika Maharaj, Koosari Supriya, Neeli Priyanka i Monica S. S. "Green Approaches to Mosquito Control: A Comprehensive Review". International Journal of Environment and Climate Change 14, nr 4 (13.04.2024): 247–58. http://dx.doi.org/10.9734/ijecc/2024/v14i44112.
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Mosquito-borne diseases pose significant health risks to humans and animals worldwide. Traditional methods of mosquito control often rely heavily on chemical pesticides, which not only harm the environment but also lead to the development of pesticide-resistant mosquito populations. In response to these challenges, there has been a growing interest in exploring eco-friendly approaches to mosquito control. This review paper aims to examine various green strategies for combating mosquitoes, focusing on their effectiveness, environmental impact, and feasibility for large-scale implementation and discuss methods such as biological control using natural predators and pathogens, habitat modification, utilization of botanical repellents, genetic manipulation of mosquito populations, and community-based interferences. Additionally, highlight the importance of integrated pest management (IPM) strategies that combine multiple tactics for sustainable mosquito control. By exploring these alternative methods, this review provides insights into promoting environmentally responsible practices while effectively managing mosquito populations and reducing the spread of mosquito-borne diseases.
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VERMA, NIDHI, i LALITA GUPTA AND SANJEEV KUMAR. "Phenoloxidases: The Crucial Targets to Control Mosquito Population". BIOPESTICIDES INTERNATIONAL 20, nr 01 (czerwiec 2024): 1. http://dx.doi.org/10.59467/bi.2024.20.1.
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Mosquitoes transmit numerous infectious diseases to humans, such as dengue, malaria, and yellow fever. The lack of effective medicines and vaccines against these diseases necessitates the development of alternate strategies to impede their transmission. Mosquito control is a crucial approach in this direction. Phenoloxidases (POs), which catalyze sclerotization, melanization, maturation of the exoskeleton, and wound healing, play key roles in physiology, immunity, and mosquito development. POs regulate these processes in multiple steps; therefore, they might be considered potent targets for controlling mosquito populations at different stages. The present review discusses the importance of PO inhibitors, especially the natural metabolites from microbes and plants that invariably control mosquito populations.. KEYWORDS :Disease vector, Mosquito, Phenoloxidases, Phytochemicals, Secondary metabolites
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Ramos-Nino, Maria E., Gregory Anash, Daniel M. Fitzpatrick, Julie A. Dragon i Sonia Cheetham. "Antiviral RNAi Mechanisms to Arboviruses in Mosquitoes: microRNA Profile of Aedes aegypti and Culex quinquefasciatus from Grenada, West Indies". Applied Microbiology 2, nr 2 (15.06.2022): 381–96. http://dx.doi.org/10.3390/applmicrobiol2020029.
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Mosquito-borne arboviruses, such as dengue virus, West Nile virus, Zika virus and yellow fever virus, impose a tremendous cost on the health of populations around the world. As a result, much effort has gone into the study of the impact of these viruses on human infections. Comparatively less effort, however, has been made to study the way these viruses interact with mosquitoes themselves. As ingested arboviruses infect their midgut and subsequently other tissue, the mosquito mounts a multifaceted innate immune response. RNA interference, the central intracellular antiviral defense mechanism in mosquitoes and other invertebrates can be induced and modulated through outside triggers (small RNAs) and treatments (transgenesis or viral-vector delivery). Accordingly, modulation of this facet of the mosquito’s immune system would thereby suggest a practical strategy for vector control. However, this requires a detailed understanding of mosquitoes’ endogenous small RNAs and their effects on the mosquito and viral proliferation. This paper provides an up-to-date overview of the mosquito’s immune system along with novel data describing miRNA profiles for Aedes aegypti and Culex quinquefasiatus in Grenada, West Indies.
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Chinnathambi, Rajivganthi, i Fathalla A. Rihan. "Analysis and control of Aedes Aegypti mosquitoes using sterile-insect techniques with Wolbachia". Mathematical Biosciences and Engineering 19, nr 11 (2022): 11154–71. http://dx.doi.org/10.3934/mbe.2022520.
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<abstract><p>Combining Sterile and Incompatible Insect techniques can significantly reduce mosquito populations and prevent the transmission of diseases between insects and humans. This paper describes impulsive differential equations for the control of a mosquito with Wolbachia. Several interesting conditions are created when sterile male mosquitoes are released impulsively, ensuring both open- and closed-loop control. To determine the wild mosquito population size in real-time, we propose an open-loop control system, which uses impulsive and constant releases of sterile male mosquitoes. A closed-loop control scheme is also being investigated, which specifies the release of sterile mosquitoes according to the size of the wild mosquito population. To eliminate or reduce a mosquito population below a certain threshold, the Sterile insect technique involves mass releases of sterile insects. Numerical simulations verify the theoretical results.</p></abstract>
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Madeira, Sara, Rui Bernardino, Hugo Costa Osório i Fernando Boinas. "Mosquito (Diptera: Culicidae) Fauna of a Zoological Park in an Urban Setting: Analysis of Culex pipiens s.l. and Their Biotypes". Insects 15, nr 1 (9.01.2024): 45. http://dx.doi.org/10.3390/insects15010045.
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Mosquito-borne diseases (MBDs) are important emerging diseases that affect humans and animals. Zoological parks can work as early warning systems for the occurrence of MBDs. In this study, we characterized the mosquito fauna captured inside Lisbon Zoo from May 2018 to November 2019. An average of 2.4 mosquitos per trap/night were captured. Five mosquito species potentially causing MBDs, including Culex pipiens biotypes, were found in the zoo. The sympatric occurrence of Culex pipiens biotypes represents a risk factor for the epizootic transmission of West Nile virus and Usutu virus. The mosquito occurrence followed the expected seasonality, with the maximum densities during summer months. However, mosquito activity was detected in winter months in low numbers. The minimum temperature and the relative humidity (RH) on the day of capture showed a positive effect on Culex pipiens abundance. Contrary, the RH the week before capture and the average precipitation the week of capture had a negative effect. No invasive species were identified, nor have flaviviruses been detected in the mosquitoes. The implementation of biosecurity measures regarding the hygiene of the premises and the strict control of all the animals entering the zoo can justify the low prevalence of mosquitoes and the absence of flavivirus-infected mosquitoes.
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Atokolo, William, i Godwin Mbah Christopher Ezike. "Modeling the Control of Zika Virus Vector Population Using the Sterile Insect Technology". Journal of Applied Mathematics 2020 (18.09.2020): 1–12. http://dx.doi.org/10.1155/2020/6350134.
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This work is aimed at formulating a mathematical model for the control of mosquito population using sterile insect technology (SIT). SIT is an environmental friendly method, which depends on the release of sterile male mosquitoes that compete with wild male mosquitoes and mate with wild female mosquitoes, which leads to the production of no offspring. The basic offspring number of the mosquitoes’ population was computed, after which we investigated the existence of two equilibrium points of the model. When the basic offspring number of the model M0, is less than or equal to 1, a mosquito extinction equilibrium point E2, which is often biologically unattainable, was shown to exits. On the other hand, if M0>1, we have the nonnegative equilibrium point E1 which is shown to be both locally and globally asymptotically stable whenever M0>1. Local sensitivity analysis was then performed to know the parameters that should be targeted by control intervention strategies and result shows that female mating probability to be with the sterile male mosquitoes ρS, mating rate of the sterile mosquito β2, and natural death rates of both aquatic and female mosquitoesμA+μF have greater impacts on the reduction and elimination of mosquitoes from a population. Simulation of the model shows that enough release of sterile male mosquitoes into the population of the wild mosquitoes controls the mosquito population and as such can reduce the spread of mosquito borne disease such as Zika.
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Mentuda, Cheryl Q. "Optimal Control of a Dengue-Dengvaxia Model: Comparison Between Vaccination and Vector Control". Computational and Mathematical Biophysics 9, nr 1 (1.01.2021): 198–213. http://dx.doi.org/10.1515/cmb-2020-0124.
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Abstract Dengue is the most common mosquito-borne viral infection transmitted disease. It is due to the four types of viruses (DENV-1, DENV-2, DENV-3, DENV-4), which transmit through the bite of infected Aedes aegypti and Aedes albopictus female mosquitoes during the daytime. The first globally commercialized vaccine is Dengvaxia, also known as the CYD-TDV vaccine, manufactured by Sanofi Pasteur. This paper presents a Ross-type epidemic model to describe the vaccine interaction between humans and mosquitoes using an entomological mosquito growth population and constant human population. After establishing the basic reproduction number ℛ0, we present three control strategies: vaccination, vector control, and the combination of vaccination and vector control. We use Pontryagin’s minimum principle to characterize optimal control and apply numerical simulations to determine which strategies best suit each compartment. Results show that vector control requires shorter time applications in minimizing mosquito populations. Whereas vaccinating the primary susceptible human population requires a shorter time compared to the secondary susceptible human.
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Vedururu, Ravi kiran, Matthew J. Neave, Vinod Sundaramoorthy, Diane Green, Jennifer A. Harper, Paul R. Gorry, Jean-Bernard Duchemin i Prasad N. Paradkar. "Whole Transcriptome Analysis of Aedes albopictus Mosquito Head and Thorax Post-Chikungunya Virus Infection". Pathogens 8, nr 3 (27.08.2019): 132. http://dx.doi.org/10.3390/pathogens8030132.
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Chikungunya virus (CHIKV) is transmitted by Aedes mosquitoes and causes prolonged arthralgia in patients. After crossing the mosquito midgut barrier, the virus disseminates to tissues including the head and salivary glands. To better understand the interaction between Aedes albopictus and CHIKV, we performed RNASeq analysis on pools of mosquito heads and parts of the thorax 8 days post infection, which identified 159 differentially expressed transcripts in infected mosquitos compared to uninfected controls. After validation using RT-qPCR (reverse transcriptase-quantitative polymerase chain reaction), inhibitor of Bruton’s tyrosine kinase (BTKi), which has previously been shown to be anti-inflammatory in mammals after viral infection, was further evaluated for its functional significance. Knockdown of BTKi using double-stranded RNA in a mosquito cell line showed no significant difference in viral RNA or infectivity titer. However, BTKi gene knocked-down cells showed increased apoptosis 24 hours post-infection compared with control cells, suggesting involvement of BTKi in the mosquito response to viral infection. Since BTK in mammals promotes an inflammatory response and has been shown to be involved in osteoclastogenesis, a hallmark of CHIKV pathogenesis, our results suggest a possible conserved mechanism at play between mosquitoes and mammals. Taken together, these results will add to our understanding of Aedes Albopictus interactions with CHIKV.
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Diouf, Gorgui, Momar Talla Seck, Assane Guèye Fall, Mireille Djimangali Bassène, Biram Biteye, Mame Thierno Bakhoum i Mamadou Ciss. "Effectiveness of a New Self-Marking Technique in Aedes aegypti under Laboratory Conditions". Insects 13, nr 4 (12.04.2022): 379. http://dx.doi.org/10.3390/insects13040379.
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In the implementation of mosquito control strategy programs using Sterile Insect Technique and other rear and release strategies, knowledge on the dispersion, competitiveness and survival of mosquitos is considered essential. To assess these parameters, marking techniques are generally used to differentiate colony mosquitoes from wild ones. Most of the existing mosquito marking methods require numerous manipulations that can impact their quality. In this study, we have developed a self-marking technique that can reduce the damage associated with mosquito handling. The marking technique consisted of adding fluorescent powder (DayGlo: A-17-N Saturn yellow) directly to the surface water of the receptacle containing Aedes aegypti male pupae. Different quantities of powder were used, and marking efficacy, powder persistence and mosquito survival were assessed. The results show a mean marking rate of 98 ± 1.61%, and the probability of marking increased significantly (p < 0.001) with increasing concentrations of fluorescent powder. Fluorescent powder persisted up to 20 days and did not induce a negative effect on mosquito survival (χ2 = 5.3, df = 7, p = 0.63). In addition, powder transfer did not occur between marked and unmarked populations. This marking method significantly reduces human intervention and mosquito handling during the marking process, improving the quality of marked mosquitoes used to assess SIT programs.
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Annan, Esther, Aracely Angulo-Molina, Wan Fairos Wan Yaacob, Nolan Kline, Uriel A. Lopez-Lemus i Ubydul Haque. "Determining Perceived Self-Efficacy for Preventing Dengue Fever in Two Climatically Diverse Mexican States: A Cross-Sectional Study". Behavioral Sciences 12, nr 4 (28.03.2022): 94. http://dx.doi.org/10.3390/bs12040094.
Pełny tekst źródłaStreszczenie:
Knowledge of dengue fever and perceived self-efficacy toward dengue prevention does not necessarily translate to the uptake of mosquito control measures. Understanding how these factors (knowledge and self-efficacy) influence mosquito control measures in Mexico is limited. Our study sought to bridge this knowledge gap by assessing individual-level variables that affect the use of mosquito control measures. A cross-sectional survey with 623 participants was administered online in Mexico from April to July 2021. Multiple linear regression and multiple logistic regression models were used to explore factors that predicted mosquito control scale and odds of taking measures to control mosquitoes in the previous year, respectively. Self-efficacy (β = 0.323, p-value = < 0.0001) and knowledge about dengue reduction scale (β = 0.316, p-value =< 0.0001) were the most important predictors of mosquito control scale. The linear regression model explained 24.9% of the mosquito control scale variance. Increasing age (OR = 1.064, p-value =< 0.0001) and self-efficacy (OR = 1.020, p-value = 0.0024) were both associated with an increase in the odds of taking measures against mosquitoes in the previous year. There is a potential to increase mosquito control awareness and practices through the increase in knowledge about mosquito reduction and self-efficacy in Mexico.
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Radl, James, Luis Martínez Villegas, Joseph S. Smith, R. Andrew Tirpak, Kayla I. Perry, Deirdre Wetmore, Elena Tunis i in. "Mosquito abundance and diversity in central Ohio, USA vary among stormwater wetlands, retention ponds, and detention ponds and their associated environmental parameters". PLOS ONE 19, nr 6 (25.06.2024): e0305399. http://dx.doi.org/10.1371/journal.pone.0305399.
Pełny tekst źródłaStreszczenie:
Mosquitoes (Diptera: Culicidae) are one of the most impactful pests to human society, both as a nuisance and a potential vector of human and animal pathogens. Mosquito larvae develop in still aquatic environments. Eliminating these habitats near high human density or managing them to reduce the suitability for mosquitoes will reduce mosquito populations in these human environments and decrease the overall negative impact of mosquitoes on humans. One common source of standing water in urban and suburban environments is the water that pools in stormwater control measures. Previous studies have shown that some stormwater control measures generate large numbers of mosquitoes while others harbor none, and the reason for this difference remains unclear. Our study focuses on elucidating the factors that cause a stormwater control measure to be more or less suitable for mosquitoes. During the summers of 2021 and 2022, we collected and identified mosquito larvae from thirty stormwater control measures across central Ohio to assess variation in mosquito abundance and diversity among sites. Our goal was to determine if specific types of stormwater control measures (retention ponds, detention ponds, or constructed wetlands) harbored different abundances of mosquitoes or different community structures. We also assessed environmental parameters of these sites to elucidate their effects on mosquito abundance and diversity. Overall, we recorded the highest number of mosquito larvae and species in constructed wetlands. However, these sites were dominated by the innocuous species, Culex territans. Conversely, detention ponds held fewer mosquitoes but a higher proportion of known vector species, including Culex pipiens and Aedes vexans. The total number of mosquitoes across all sites was correlated with higher vegetation, more shade, lower water temperatures, and lower pH, suggesting stormwater control measures with these features may also be hotspots for mosquito proliferation.
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Li, Yun, Hongyong Zhao i Kai Wang. "Dynamics of an impulsive reaction-diffusion mosquitoes model with multiple control measures". Mathematical Biosciences and Engineering 20, nr 1 (2022): 775–806. http://dx.doi.org/10.3934/mbe.2023036.
Pełny tekst źródłaStreszczenie:
<abstract><p>It is well-known that mosquito control is one of the effective methods to reduce and prevent the transmission of mosquito-borne diseases. In this paper, we formulate a reaction-diffusion impulsive hybrid model incorporating <italic>Wolbachia</italic>, impulsively spraying of insecticides, spatial heterogeneity, and seasonality to investigate the control of mosquito population. The sufficient conditions for mosquito extinction or successful <italic>Wolbachia</italic> persistence in a population of natural mosquitoes are derived. More importantly, we give the estimations of the spraying times of insecticides during a period for achieving the mosquito extinction and population replacement in a special case. A global attractivity of the positive periodic solution is analyzed under appropriate conditions. Numerical simulations disclose that spatial heterogeneity and seasonality have significant impacts on the design of mosquitoes control strategies. It is suggested to combine biological control and chemical pulse control under certain situations to reduce the natural mosquitoes. Further, our results reveal that the establishment of a higher level of population replacement depends on the strain type of the <italic>Wolbachia</italic> and the high initial occupancy of the <italic>Wolbachia</italic>-infected mosquitoes.</p></abstract>
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Baik, Lisa S., i John R. Carlson. "The mosquito taste system and disease control". Proceedings of the National Academy of Sciences 117, nr 52 (28.12.2020): 32848–56. http://dx.doi.org/10.1073/pnas.2013076117.
Pełny tekst źródłaStreszczenie:
Mosquitoes are a widely diverse group of organisms, comprising ∼3,500 species that live in an enormous range of habitats. Some species are vectors of diseases that afflict hundreds of millions of people each year. Although understanding of mosquito olfaction has progressed dramatically in recent years, mosquito taste remains greatly understudied. Since taste is essential to feeding, egg laying, and mating decisions in insects, improved understanding of taste in mosquitoes could provide new mechanistic insight into many aspects of their behavior. We provide a guide to current knowledge in the field, and we suggest a wealth of opportunities for research that are now enabled by recent scientific and technological advances. We also propose means by which taste might be exploited in new strategies for mosquito control, which may be urgently needed as the geographical ranges of vector species increase with climate change.
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Bhagyashree Bora, Sahadiya Mandodan, Jibi Lukose, Kakhuangailiu Gangmei, Manikandan Sivaprakasam, Hemaladkshmi Padmanaban, Aneha K i in. "Mosquito-borne diseases, their impacts and mosquito vector control methods - A review". International Journal of Science and Technology Research Archive 3, nr 2 (30.10.2022): 026–36. http://dx.doi.org/10.53771/ijstra.2022.3.2.0112.
Pełny tekst źródłaStreszczenie:
Vector borne diseases are increasing nowadays and can spread to new locations easily. Diseases like zika virus fever, West Nile fever, malaria, yellow fever, Japanese encephalitis, dengue, etc. are examples of mosquito-borne diseases. These diseases are majorly caused by three species of mosquitoes Anopheles, Aedes, and Culex. Most mosquito vector control methods depend upon outdoor spraying, impregnated nets, or indoor residual spraying of chemical insecticides and it was observed that many mosquito species evolved resistance to major pesticide classes. The disadvantages of using chemical pesticides are the development of resistance in mosquitoes and also the harm it causes to other non-target organisms, in addition to the higher cost, more labor, and other drawbacks. Using DEET is also not as preferable as it can induce muscle twitching, seizures, slurred speech, nausea, and rashes. DEET will not give long-term protection against all malaria-causing mosquito species, such as Anopheles. Whereas biocontrol agents used for mosquito control show no environmental pollution or resistance. Bacillus thuringiensis israelensis and Bacillus sphaericus biopesticides tend to remain longer in the environment, particularly in dirty water, and hence may be a viable choice for long-term mosquito control. They have the least adverse effect on living things like humans, domestic animals, and wildlife.
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Duprez, Michel, Romane Hélie, Yannick Privat i Nicolas Vauchelet. "Optimization of spatial control strategies for population replacement, application to Wolbachia". ESAIM: Control, Optimisation and Calculus of Variations 27 (2021): 74. http://dx.doi.org/10.1051/cocv/2021070.
Pełny tekst źródłaStreszczenie:
In this article, we are interested in the analysis and simulation of solutions to an optimal control problem motivated by population dynamics issues. In order to control the spread of mosquito-borne arboviruses, the population replacement technique consists in releasing into the environment mosquitoes infected with the Wolbachia bacterium, which greatly reduces the transmission of the virus to the humans. Spatial releases are then sought in such a way that the infected mosquito population invades the uninfected mosquito population. Assuming very high mosquito fecundity rates, we first introduce an asymptotic model on the proportion of infected mosquitoes and then an optimal control problem to determine the best spatial strategy to achieve these releases. We then analyze this problem, including the optimality of natural candidates and carry out first numerical simulations in one dimension of space to illustrate the relevance of our approach.
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Abdullahi, Jibril Muhammad, Musa M. Dogara, Kamoru A. Adeniyi, Joshua B. Balogun, Hassan, M. Ibrahim i Abduljalil, I. Idris. "Assessment of Indoor and Outdoor Resting Adult Female Mosquitoes Density Exhibiting Vectorial Portent, Insight from Kano State, Nigeria". Sahel Journal of Life Sciences FUDMA 2, nr 2 (21.06.2024): 55–63. http://dx.doi.org/10.33003/sajols-2024-0202-08.
Pełny tekst źródłaStreszczenie:
Mosquito proliferation has been on the increase in most communities of Kano State, leading to a high rate of mosquito-borne diseases, pregnant women, and infant mortality. Mosquitoes spend the daytime resting in human dwellings, frequent survey of these mosquitoes is needed in vector control for breaking disease transmission. Despite this, data on mosquitos’ density are frequently missing. In this study, we have collected and identified all samples of indoor and outdoor resting mosquito species to assess female density. A longitudinal survey was carried out in three different sentinel sites (Darmanawa, Wudil, and Baba Ruga) for the period of 6 months (August 2023 to March 2024). Indoor mosquitoes were collected using the pyrethrum spray Method, while the outdoor mosquitoes were collected using a cardboard box. The knockdown mosquitoes were transported to the laboratory for identification, using a digital LCD microscope to gender and species level with the aid of different taxonomic guides. A total of one thousand and five (1005) female mosquitoes belonging to 5 genera and 21 species were caught. The result showed a significant influence (p < 0.05) of species, months, resting behavior, and season on the density of adult female mosquitoes while collection sites do not influence adult female mosquitoes (p > 0.05). We concluded that adult female mosquitos’ density is affected by species, months of the year, resting behavior, and season, as well as the high density of An. gambiae and Cx. quinnquefasciatus recorded is a bio-portent of malaria and filariasis spotlight in these communities.
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Brown, Jeffrey A., Kelli L. Larson, Susannah B. Lerman, Alexandreana Cocroft i Sharon J. Hall. "Resident Perceptions of Mosquito Problems Are More Influenced by Landscape Factors than Mosquito Abundance". Sustainability 13, nr 20 (19.10.2021): 11533. http://dx.doi.org/10.3390/su132011533.
Pełny tekst źródłaStreszczenie:
Mosquitoes and the pathogens they carry are increasingly common in urban areas throughout the globe. With urban landscapes, the need to manage mosquitoes is driven by the health risks and nuisance complaints associated with mosquitoes. Controlling the number of mosquitoes may reduce the overall risk of disease transmission but may not reduce nuisance complaints. This study focuses on Maricopa County in Arizona, USA, to investigate the relationship between mosquito abundance and landscape-level and sociodemographic factors on resident perceptions of mosquitoes. We used boosted regression trees to compare how mosquito abundance, collected from Maricopa Vector Control, and landscape factors and social factors, assessed through the Phoenix Area Social Survey, influence survey respondents’ reporting of mosquitoes as a problem. Results show that the landscape and sociodemographic features play a prominent role in how individuals perceive mosquitoes as a problem; specifically, respondents’ perception of their local landscape as messy and the distance to landscape features such as wetlands have more substantial roles in shaping perceptions. This work can highlight how potential mosquito and non-mosquito-related communications and management efforts may improve residents’ satisfaction with mosquito control or other wildlife management efforts, which can help inform best practices for vector control agencies.
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Huynh, Ly Na, Long Bien Tran, Hong Sang Nguyen, Van Hoang Ho, Philippe Parola i Xuan Quang Nguyen. "Mosquitoes and Mosquito-Borne Diseases in Vietnam". Insects 13, nr 12 (22.11.2022): 1076. http://dx.doi.org/10.3390/insects13121076.
Pełny tekst źródłaStreszczenie:
Mosquito-borne diseases pose a significant threat to humans in almost every part of the world. Key factors such as global warming, climatic conditions, rapid urbanisation, frequent human relocation, and widespread deforestation significantly increase the number of mosquitoes and mosquito-borne diseases in Vietnam, and elsewhere around the world. In southeast Asia, and notably in Vietnam, national mosquito control programmes contribute to reducing the risk of mosquito-borne disease transmission, however, malaria and dengue remain a threat to public health. The aim of our review is to provide a complete checklist of all Vietnamese mosquitoes that have been recognised, as well as an overview of mosquito-borne diseases in Vietnam. A total of 281 mosquito species of 42 subgenera and 22 genera exist in Vietnam. Of those, Anopheles, Aedes, and Culex are found to be potential vectors for mosquito-borne diseases. Major mosquito-borne diseases in high-incidence areas of Vietnam include malaria, dengue, and Japanese encephalitis. This review may be useful to entomological researchers for future surveys of Vietnamese mosquitoes and to decision-makers responsible for vector control tactics.
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Chaiphongpachara, Tanawat, Ploypailin Bunyuen i Kitthisak Khlaeo Chansukh. "Development of a More Effective Mosquito Trapping Box for Vector Control". Scientific World Journal 2018 (1.08.2018): 1–8. http://dx.doi.org/10.1155/2018/6241703.
Pełny tekst źródłaStreszczenie:
Mosquito-borne diseases are a major public health issue in nearly all tropical and subtropical countries, making vector control imperative. The mosquito trapping box is one type of mosquito traps that is popular in some areas because it is affordable, environmentally friendly, and easy to produce. This research investigated whether the effectiveness of the mosquito trapping box could be increased through the addition of various physical factors, including a wooden frame, black cotton cloth, a fan, carbon dioxide (CO2), and heat, by testing a range of box designs in the Samut Songkhram Province, Thailand, between December 2016 and January 2017. We found that trapping boxes constructed with Pinus kesiya wood caught more mosquitoes than those constructed with two other types of wood or aluminum. We also found that mosquito trapping boxes were more effective when more factors were added, although these differences were only significant for black cotton cloth and CO2. These findings will guide the future development of mosquito trapping boxes for effective mosquito control in other areas, helping to reduce the incidence of mosquito-borne diseases.
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Biñas, Nathalie Faith, Ella Mae Cuba, Cholo Anthony Gargarita, Ameer Jordan Minsu i Amera Malaco. "Organic Mosquito Patch: The Use of Lemongrass, Garlic and Marigold". ASEAN Journal of Science and Engineering 1, nr 1 (19.04.2021): 9–12. http://dx.doi.org/10.17509/ajse.v1i1.33665.
Pełny tekst źródłaStreszczenie:
This study aims to determine the possibility of organic mosquito patches as an alternative to mosquito repellents. The results showed that the control group, namely commercial mosquito patches, was able to obtain the highest rate of repelling mosquitoes. However, statistical analysis did not show a significant difference in the three patches. Thus, the manufacture of organic mosquito patches is as effective as commercial mosquito patches at repelling mosquitoes. In addition, organic mosquito patches have the most economical product compared to commercialized patches. Thus, making organic mosquito patches is not only as effective as commercial mosquito patches but also much more affordable than they cost. It is recommended to use an organic mosquito patch as an alternative to mosquito repellent.
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Sa’adah, Eva Mai, Isnawati Isnawati i Noraida Noraida. "Larutan Tape Singkong (Manihot utilissima) sebagai Atraktan Nyamuk". JURNAL KESEHATAN LINGKUNGAN: Jurnal dan Aplikasi Teknik Kesehatan Lingkungan 15, nr 1 (1.07.2018): 541. http://dx.doi.org/10.31964/jkl.v15i1.81.
Pełny tekst źródłaStreszczenie:
The Influence of Fermented Cassava (Manihot utilissima) Solutions as Atraktan in Mosquito Trap on The Number of Mosquitoes Trapped. The use of synthetic insecticides can cause health hazards to humans. Mosquito trap made of disused plastic bottles plus mosquito atraktan from natural materials is an alternative that is more economical, safe and environmentally friendly. One of the mosquito atraktan compounds is CO2. Fermented cassava is potentially as mosquito atraktan because it can produce CO2. This study aimed to know the influence of fermented cassava solutions as atraktan in mosquito trap from plastic bottles on the number of mosquitoes trapped. Type this study was Quasi Experiment. Design this study was Post-test Only with Control Design. The concentration of fermented cassava solutions was used in this study was 0% (control), 10%, 30%, 50% and 70%. The results showed the number of mosquitoes trapped at a concentration of 0% (control), 10%, 30% and 70% as much as 0 tail, whereas the konentrasi 50% as much as 1 tail. Kruskal Wallis test results showed no significant effects of the concentration of fermented cassava solutions.
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Gliniewicz, Aleksandra, Ewa Mikulak i Katarzyna Rydzanicz. "Mosquito Control in Poland: Pro- and Anti-Environmental Activities". Ochrona Srodowiska i Zasobów Naturalnych 25, nr 4 (10.12.2014): 65–68. http://dx.doi.org/10.2478/oszn-2014-0025.
Pełny tekst źródłaStreszczenie:
Abstract Mosquito control in Poland is still dominated by the use of chemicals. Although it has been 13 years since the flood of the century, only in few cities and towns (Wroclaw, Gorzow Wielkopolski and Torun) various methods of mosquito control such as mapping of larvae development and setting time limits for the imagines occur-rence were developed. The problem of mosquito control is not only limited to adult insects, it is also much more a complex issue due to the use of insecticides in the environment that we would rather like to keep unchanged, with a diversity of co-existing species of plants and animals. In addition to eradication of larvae and adult insects, we should also: carry out actions modifying environment so that it becomes less friendly to mosquitoes (e.g. drying wet mead-ows as a result of land reclamation), protect places where people reside - with the use of insecticide lamps and spatial repellents, as well as catchers for aggressive female mosquitoes. Increasing the share of environmental management methods and public education on preventing to form and eliminating existing places of mosquito larvae development in urban green areas (parks, river overflow areas and drainage ditches) are still an undervalued element of integrated mosquito control in Poland.
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Hribar, Lawrence J., Michael B. Boehmler, Heidi L. Murray, Catherine A. Pruszynski i Andrea L. Leal. "Mosquito Surveillance and Insecticide Resistance Monitoring Conducted by the Florida Keys Mosquito Control District, Monroe County, Florida, USA". Insects 13, nr 10 (13.10.2022): 927. http://dx.doi.org/10.3390/insects13100927.
Pełny tekst źródłaStreszczenie:
Mosquito control programs in the State of Florida are charged with protecting human and animal health, fostering economic development of the State, permitting enjoyment of the natural attractions in Florida, and improving the quality of life of citizens. Mosquito control programs must accomplish these tasks in such a manner as will protect the environment and terrestrial, marine, and freshwater ecosystems. The Florida Keys Mosquito Control District provides a science-based Integrated Pest Management mosquito control program to the residents of the Florida Keys, Monroe County, Florida. Operational decisions are based on surveillance of adult and immature mosquitoes. Mosquito populations are monitored by means of carbon dioxide-baited light traps BG Sentinel traps, truck traps, gravid traps, oviposition traps, and human landing rate counts. Larvae and pupae are monitored by inspections of natural and human-made immature habitats. Due to past and current reliance on chemical pesticides for control of mosquitoes, the District maintains a pesticide resistance detection program consisting of CDC bottle bioassays and larval bioassays, challenging local mosquito species with currently used adulticides and larvicides.
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Wilke, André Barretto Bruno, i Mauro Toledo Marrelli. "Genetic Control of Mosquitoes: population suppression strategies". Revista do Instituto de Medicina Tropical de São Paulo 54, nr 5 (październik 2012): 287–92. http://dx.doi.org/10.1590/s0036-46652012000500009.
Pełny tekst źródłaStreszczenie:
Over the last two decades, morbidity and mortality from malaria and dengue fever among other pathogens are an increasing Public Health problem. The increase in the geographic distribution of vectors is accompanied by the emergence of viruses and diseases in new areas. There are insufficient specific therapeutic drugs available and there are no reliable vaccines for malaria or dengue, although some progress has been achieved, there is still a long way between its development and actual field use. Most mosquito control measures have failed to achieve their goals, mostly because of the mosquito's great reproductive capacity and genomic flexibility. Chemical control is increasingly restricted due to potential human toxicity, mortality in no target organisms, insecticide resistance, and other environmental impacts. Other strategies for mosquito control are desperately needed. The Sterile Insect Technique (SIT) is a species-specific and environmentally benign method for insect population suppression, it is based on mass rearing, radiation mediated sterilization, and release of a large number of male insects. Releasing of Insects carrying a dominant lethal gene (RIDL) offers a solution to many of the drawbacks of traditional SIT that have limited its application in mosquitoes while maintaining its environmentally friendly and species-specific utility. The self-limiting nature of sterile mosquitoes tends to make the issues related to field use of these somewhat less challenging than for self-spreading systems characteristic of population replacement strategies. They also are closer to field use, so might be appropriate to consider first. The prospect of genetic control methods against mosquito vectored human diseases is rapidly becoming a reality, many decisions will need to be made on a national, regional and international level regarding the biosafety, social, cultural and ethical aspects of the use and deployment of these vector control methods.
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Yen, Pei-Shi, i Anna-Bella Failloux. "A Review: Wolbachia-Based Population Replacement for Mosquito Control Shares Common Points with Genetically Modified Control Approaches". Pathogens 9, nr 5 (22.05.2020): 404. http://dx.doi.org/10.3390/pathogens9050404.
Pełny tekst źródłaStreszczenie:
The growing expansion of mosquito vectors has made mosquito-borne arboviral diseases a global threat to public health, and the lack of licensed vaccines and treatments highlight the urgent need for efficient mosquito vector control. Compared to genetically modified control strategies, the intracellular bacterium Wolbachia, endowing a pathogen-blocking phenotype, is considered an environmentally friendly strategy to replace the target population for controlling arboviral diseases. However, the incomplete knowledge regarding the pathogen-blocking mechanism weakens the reliability of a Wolbachia-based population replacement strategy. Wolbachia infections are also vulnerable to environmental factors, temperature, and host diet, affecting their densities in mosquitoes and thus the virus-blocking phenotype. Here, we review the properties of the Wolbachia strategy as an approach to control mosquito populations in comparison with genetically modified control methods. Both strategies tend to limit arbovirus infections but increase the risk of selecting arbovirus escape mutants, rendering these strategies less reliable.
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Tufan-Cetin, Ozge, i Huseyin Cetin. "Use of micro and macroalgae extracts for the control of vector mosquitoes". PeerJ 11 (9.10.2023): e16187. http://dx.doi.org/10.7717/peerj.16187.
Pełny tekst źródłaStreszczenie:
Mosquitoes are one of the most dangerous vectors of human diseases such as malaria, dengue, chikungunya, and Zika virus. Controlling these vectors is a challenging responsibility for public health authorities worldwide. In recent years, the use of products derived from living organisms has emerged as a promising approach for mosquito control. Among these living organisms, algae are of great interest due to their larvicidal properties. Some algal species provide nutritious food for larvae, while others produce allelochemicals that are toxic to mosquito larvae. In this article, we reviewed the existing literature on the larvicidal potential of extracts of micro- and macroalgae, transgenic microalgae, and nanoparticles of algae on mosquitoes and their underlying mechanisms. The results of many publications show that the toxic effects of micro- and macroalgae on mosquitoes vary according to the type of extraction, solvents, mosquito species, exposure time, larval stage, and algal components. A few studies suggest that the components of algae that have toxic effects on mosquitoes show through synergistic interaction between components, inhibition of feeding, damage to gut membrane cells, and inhibition of digestive and detoxification enzymes. In conclusion, algae extracts, transgenic microalgae, and nanoparticles of algae have shown significant larvicidal activity against mosquitoes, making them potential candidates for the development of new mosquito control products.
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Alto, Barry W. "FIELD ASSESSMENT OF AUTODISSEMINATION OF PYRIPROXYFEN BY CONTAINER-INHABITING AEDES MOSQUITOES IN FLORIDA". Journal of the Florida Mosquito Control Association 66, nr 1 (14.01.2021): 27–39. http://dx.doi.org/10.32473/jfmca.v66i1.127621.
Pełny tekst źródłaStreszczenie:
Domestic mosquito control for container-inhabiting Aedes vectors of Zika, chikungunya, yellow fever, and dengue viruses is challenging, and novel methods are needed. Autodissemination strategies are one such method. In this control method, females are attracted to stations treated with an insect growth regulator (IGR), become treated, and subsequently deposit the IGR in natural oviposition sites, preventing pupal emergence. We developed and tested treatment stations in semi-field conditions based on number of captured mosquitoes in the treatment stations. The modified treatment station attracted gravid females with oak leaf infusion and mosquito passage through exit chutes granted access to sucrose and topical contamination of IGR (pyriproxyfen) for 25% of released mosquitoes. Although a majority of released mosquitoes were uncaptured (75%), sufficient amounts of pyriproxyfen contaminated female mosquitoes to result in 75% inhibition of adult emergence in larval bioassays. These stations were then used in a field experiment to test the efficacy using sentinel cups with mosquito larvae. Three treatments which included varied numbers of autodissemination stations (control, low density, and high density) were compared. Both low and high density of stations provided high inhibition of adult emergence from sentinel cups relative to controls. We did not observe differences in mosquito emergence inhibition whether sites contained low or high densities of stations (i.e., similar rates of mosquito inhibition). Two additional field trials showed that topically contaminated mosquitoes were traveling further than expected and causing mortality in sentinel cups at least as far as 80 meters from the autodissemination stations. The development and implementation of autodissemination of IGRs is an additional tool for use in integrated mosquito management.
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Chan, Alisha Yee, Honghyok Kim i Michelle L. Bell. "Culex Mosquitoes at Stormwater Control Measures and Combined Sewer Overflow Outfalls after Heavy Rainfall". Water 14, nr 1 (23.12.2021): 31. http://dx.doi.org/10.3390/w14010031.
Pełny tekst źródłaStreszczenie:
Mosquito borne diseases are increasingly problematic as climate change continues to alter patterns of precipitation, flooding, and temperatures that may favor mosquito habitats. Stormwater control measures (SCMs), ecologically sustainable methods of stormwater management, may have varying impacts on Culex mosquitoes, such as in areas with combined sewer overflows (CSOs). We studied spatial and temporal associations of SCMs and Culex mosquito counts surrounding the SCMs, stratifying our examination amongst those that do/do not use pooling and/or vegetation, as well as surrounding CSO outfalls after heavy rainfall (≥95th percentile) during summer 2018. Results indicate Culex mosquito counts after heavy rainfall were not significantly different at SCMs that use vegetation and/or ponding from at those that do not. We also found a 35.5% reduction in the increase of Culex mosquitoes the day of, and 77.0% reduction 7–8 days after, heavy rainfall at CSO outfalls treated with medium SCM density compared to those without SCMs. Our results suggest that SCMs may be associated with a reduction in the increase of Culex mosquitoes at the CSO outfalls after heavy rainfall. More research is needed to study how the impacts of SCMs on mosquito populations may affect human health.
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Qualls, Whitney A., i Mark S. Breidenbaugh. "Texas Mosquito Control Response Following Hurricane Harvey". Journal of the American Mosquito Control Association 36, nr 2s (1.06.2020): 61–67. http://dx.doi.org/10.2987/19-6883.1.
Pełny tekst źródłaStreszczenie:
ABSTRACT Hurricane Harvey has been recorded as the wettest cyclone in United States history, resulting in devastating and catastrophic flooding for the Texas Gulf Coast. The nature of the path of the hurricane, with multiple landfalls along the Texas Gulf Coast, resulted in the largest aerial mosquito control effort for one single storm. Two mosquito control contractors and the Air Force Aerial Spray Unit of the US Air Force Reserve were used to aerial treat 6,765,971 acres (3,075,441 ha) in 29 of the 60 disaster-declared counties in Texas. During the response, 101,253 liters of Dibrom® (active ingredient [AI]: naled) and 48,735 liters of Duet™ (AI: 1% prallethrin and 5% sumithrin) were used. In 23/29 counties requesting aerial spraying, mosquito control contractors were used to conduct pre- and postaerial application mosquito surveillance. The remaining 6 counties conducted their own surveillance during the response. A total of 105,153 mosquitoes in 7 genera and 35 species were collected during this response with the major floodwater nuisance mosquito being Psorophora columbiae. The most abundant vector mosquito collected was Culex nigripalpus. Duet at the 0.8% and 1% application rates resulted in 49% and 69% control of Ps. columbiae, respectively. Dibrom application resulted in 95% and 93% control of Ps. Columbia and Cx. nigripalpus populations, respectively.
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Ambiya, Zainul, Martini Martini i Firda Yanuar Pradani. "Nyamuk Dewasa yang Terperangkap pada Jenis Atraktan Berbeda di Kelurahan Tembalang Kota Semarang". ASPIRATOR - Journal of Vector-borne Disease Studies 12, nr 2 (28.12.2020): 115–22. http://dx.doi.org/10.22435/asp.v12i2.1440.
Pełny tekst źródłaStreszczenie:
Abstract. Tembalang Village is one of the endemic areas of DHF in the city of Semarang (IR 479,6/100.000population). The discovery of chemical resistance cases in mosquitoes requires another alternative as an effortto control dengue that is environmentally friendly, cheap and effective, namely by using mosquito traps withattractants. This study aims to determine the differences in the types of effective attractant materials to beused in mosquito traps as an effort to control mosquitoes. This type of research is experimental with the Post-Test Only Control Group Design method. The sample of this study was 64 houses with repetitions of 6 times.Testing of attractants was carried out on 3 types of attractants, namely brown sugar yeast, sugar yeast, strawsoaking water and PAM water as a control. Environmental observations were carried out to determine thedensity of mosquitoes in Tembalang Village. The results showed that the type of attractant most favored bymosquitoes was brown sugar yeast (73,37%) and sugar yeast (26,62%). Meanwhile, the mosquito density inTembalang sub-district was low at 1.375 with the most found mosquito population being Culex (55.7%) andthe highest fishing place in the house (59%).
Keywords: Tembalang Village, Vector Control, Attractant, Mosquito Density
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Kollars, Thomas, Mustapha Debboun, Mark Carder i Lee P. McPhatter, JR. "The Effect of an Attractant Toxic Sugar Bait (ATSB) incorporating Bacillus thuringiensis israelensis and Methoprene on Mosquito Populations". Christian Journal for Global Health 11, nr 1 (25.02.2024): 99–110. http://dx.doi.org/10.15566/cjgh.v11i1.729.
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Background: The threat posed by mosquito-borne diseases continues to increase globally. The increase of pesticide resistance is impacting vector control and public health globally. The development and testing of new pesticides faces several challenges, e.g., time for development, high cost, and regulatory hurdles. Adapting pesticides that are currently used within integrated vector management can help alleviate these challenges. Methoprene has demonstrated reduction of larval populations and fecundity in adult mosquitoes. The objective of the study was to demonstrate the efficacy of ProVector Entobac with methoprene (Entobac M) on mosquito populations in rural sites in Southeastern Georgia.Methods: ProVector® Military Camouflage Tubes with ProVector Entobac M pesticide were placed in a grid at test sites. A positive control test site and a negative control site were used to compare results statistically. Mosquito diversity and evenness among sites were measured using Shannon Diversity Index and Equitability.Results: Deployment of ProVector® Military Camouflage Tubes with ProVector Entobac M pesticide was effective in reducing total mosquito populations. The mosquito species shared among the test sites and positive control site were similar, and the negative control site was least similar in diversity and evenness. There was variation of control within Aedes, Anopheles, and Culex genera. Discussion: The aim of the study was to demonstrate the efficacy of the ProVector Military Camouflage Tube delivery of Entobac with methoprene (Entobac M) on mosquito populations. Mosquito-borne diseases are an increasing threat to communities around the world due to invasive species and global warming. In previous studies, ProVector® Entobac™ has been validated in laboratory and field studies to control both adult and larval mosquitoes in the United States and several other countries. Application of ecofriendly and target specific pesticides with no-resistance is critical in reducing mosquito populations and the risk of vector-borne diseases. Our study demonstrated a significant decrease in adult mosquito populations due to the utilization of a target specific mosquito larvicide that has been adapted to kill adult mosquitoes.
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Touchton, Michael, i Brian Wampler. "Democratizing Public Health: Participatory Policymaking Institutions, Mosquito Control, and Zika in the Americas". Tropical Medicine and Infectious Disease 8, nr 1 (5.01.2023): 38. http://dx.doi.org/10.3390/tropicalmed8010038.
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The Zika virus is a mosquito-borne virus spread primarily by Aedes mosquitoes. Zika cases have been detected throughout the mosquito’s range, with an epidemic occurring from 2015 to 2017 in Brazil. Many Zika cases are mild or asymptomatic, but infections in pregnant women can cause microcephaly in children, and a small percentage of cases result in Guillan–Barré syndrome. There is currently little systematic information surrounding the municipal spread of the Zika Virus in Brazil. This article uses coarsened exact matching with negative binomial estimation and ordinary least squares estimation to assess the determinants of Zika incidence across the ~280,000 cases confirmed and recorded by Brazil’s Ministry of Health in 2016 and 2017. These data come from Freedom of Information Act (FOIA) requests in Brazil and have not been published. We use data on the universe of individual Zika cases in Brazil and Geographic Information Systems (GIS) software to examine the virus at the municipal level across 5570 municipalities and construct a unique, unusually rich dataset covering daily Zika transmission. Additionally, our dataset includes corresponding local data on democratic governance, mosquito control efforts, and environmental conditions to estimate their relationship to Zika transmission. The results demonstrate that the presence of subnational democratic, participatory policymaking institutions and high levels of local state capacity are associated with low rates of Zika contraction. These models control for local healthcare spending and economic conditions, among other factors, that also influence Zika contraction rates. In turn, these findings provide a better understanding of what works for local health governance and mosquito control and makes important data public so that scholars and practitioners can perform their own analyses. Stronger models of Zika transmission will then inform mosquito abatement efforts across the Global South, as well as provide a blueprint for combatting Dengue fever, which is also transmitted by Aedes mosquitoes.
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Sroute, Lamyae, Brian D. Byrd i Scott W. Huffman. "Classification of Mosquitoes with Infrared Spectroscopy and Partial Least Squares-Discriminant Analysis". Applied Spectroscopy 74, nr 8 (sierpień 2020): 900–912. http://dx.doi.org/10.1177/0003702820915729.
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Mosquito-borne diseases are responsible for considerable morbidity and mortality globally. Given the absence of effective vaccines for most arthropod-borne viruses, mosquito control efforts remain the dominant method of disease prevention. Ideal control efforts begin with entomologic surveillance in order to determine the abundance, identity, and infection status of pathogen-vectoring mosquito populations. Traditionally, much of the surveillance work involves morphological species identification by trained entomologists. Limited operational funding and lack of specialized training is a known barrier to surveillance and effective control efforts for many operational mosquito control personnel. Therefore, there is a need for surveillance workflow improvements and rapid mosquito identification methods. Herein, is presented a proof of concept study in which infrared spectroscopy coupled with partial least squares-discriminant analysis was explored as a means of automatically classifying mosquitoes at the species level. The developed method resulted in greater than 94% accuracy for four mosquitoes of public health relevance: Aedes aegypti, Aedes albopictus, Aedes japonicus, and Aedes triseriatus.
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CHAIPHONGPACHARA, TANAWAT. "Short Communication: A checklist of the mosquito species (Diptera: Culicidae) in the Suan Phueng District, Ratchaburi Province, Thailand". Biodiversitas Journal of Biological Diversity 20, nr 2 (16.02.2019): 468–73. http://dx.doi.org/10.13057/biodiv/d200224.
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Abstract. Chaiphongpachara T. 2019. Short Communication: A checklist of the mosquito species (Diptera: Culicidae) in the Suan Phueng District, Ratchaburi Province, Thailand. Biodiversitas 20: 468-473. Mosquito is a medically important insect, which is a vector to transmit pathogens to humans. There are several methods to reduce the numbers mosquitoes, which requires entomological knowledge. It is critical to know the species of mosquitoes in the area to choose the most suitable method to provide vector control, specifically, to target mosquito species. In this study, we investigated the species of mosquito vectors in the Huay Nam Nak Village in the Suan Phueng District, Ratchaburi Province, Thailand, which is an endemic area of mosquito-borne diseases, especially malaria and dengue fever. Mosquito species were collected by the Mosquito Magnet® Independence trap from the Huay Nam Nak Village. A total of 1,002 mosquitoes, divided into eight species in four genera, including Anopheles barbirostris s.l. van der Wulp (118 individuals), An. subpictus s.l. Grassi (127 individuals), Culex quinquefasciatus Say (186 individuals), Cx. vishnui Theobald (204 individuals), Cx. whitmorei Giles (198 individuals), Aedes aegypti Linnaeus (45 individuals), Ae. albopictus Skuse (78 individuals), and Armigeres subalbatus Coquillett (46 individuals). This checklist of the mosquito species is very important information to set mosquito control measures that suit each area.
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Wardoyo, Meihindra Cahyo Suci, i Indasah Indasah. "Theoretical Model of the Fendona® 30 EC Curtain Based on Intervention: Antacedents, Prospects and Recommendations as Dengue Hemorrhagic Fever Control". Journal for Quality in Public Health 4, nr 2 (30.04.2021): 113–24. http://dx.doi.org/10.30994/jqph.v4i2.199.
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AIM
Research developed a theoretical model of the Fendona® 30 EC Curtain based on intervention. The model was developed to enhance understanding of the community's abundance control program. The model analyzes of the variables historical and knowledge of Dengue Hemorrhagic Fever (DHF), the perception of mosquito disorders, the use of mosquito control and medication, the perception of abundance of mosquitoes, the motivation to use curtains, the expected benefits of curtains, the prospects and recommendations of curtains as a mosquito control device.
Method
Materials: White curtain fabric for window curtain and inter-room bulkhead, black curtain fabric for jar cover, jar filled with plain water, 20cm high, 20cm in diameter, Fendona® 30 EC and clean water
Procedures: The curtain is soaked for 24 hours in a liquid of Fendona® 30 EC + water in a ratio of 1: 1; The curtains are dried in a shaded environment for 24 hours, or until the curtains are completely dry.
Trials: In-room experimental results show Fendona® 30 EC Curtain effectively prevents mosquitoes from entering the room and kills mosquitoes in the room.
Interventions: Curtains installed in the window and as an inter-room divider; The curtain of the jar cover is placed in various corners of the room and under the bed; Each house receives 5 window curtains, 2 curtains screens between rooms and 5 jar cover curtain.
Research design: Research uses quasi-experimental design and correlational research surveys. Research data obtained through questionnaires, tests, and check-lists. Research data were analyzed using Regression Path Analysis.
Research results
Mosquito control programs in the community are difficult to understand. The Fendona® 30 EC curtain, although effective, does not shift the popularity of the mosquito repellent lotion, mosquito spray and mosquito coil. The history of DHF only predicts the perception of mosquito disorders. The perception of a decrease in mosquito abundance can only be predicted from the use of mosquito controls and medicines. Motivation of the use of curtains only predicts the expected benefits of curtains. Recommendations can only be predicted through prospects. Regression paths between variables are separate. Apart from these variables, there is no relationship in the rest of the regression path.
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Jeyakodi, G., P. Shanthi Bala, OT Sruthi i K. Swathi. "MBORS: Mosquito vector Biocontrol Ontology and Recommendation System". Journal of Vector Borne Diseases 61, nr 1 (2024): 51–60. http://dx.doi.org/10.4103/0972-9062.383640.
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Background & objectives: Mosquito vectors are disease-causing insects, responsible for various life-threatening vector-borne diseases such as dengue, Zika, malaria, chikungunya, and lymphatic filariasis. In practice, synthetic insecticides are used to control the mosquito vector, but, the continuous usage of synthetic insecticides is toxic to human health resulting in communicable diseases. Non-toxic biocontrol agents such as bacteria, fungus, plants, and mosquito densoviruses play a vital role in controlling mosquitoes. Community awareness of mosquito biocontrol agents is required to control vector-borne diseases. Mosquito vector-based ontology facilitates mosquito biocontrol by providing information such as species names, pathogen-associated diseases, and biological controlling agents. It helps to explore the associations among the mosquitoes and their biocontrol agents in the form of rules. The Mosquito vector-based Biocontrol Ontology Recommendation System (MBORS) provides the knowledge on mosquito-associated biocontrol agents to control the vector at the early stage of the mosquitoes such as eggs, larvae, pupae, and adults. This paper proposes MBORS for the prevention and effective control of vector-borne diseases. The Mosquito Vector Association ontology (MVAont) suggests the appropriate mosquito vector biocontrol agents (MosqVecRS) for related diseases. Methods: Natural Language Processing and Data mining are employed to develop the MBORS. While Tokenization, Part-of-speech Tagging (POS), Named Entity Recognition (NER), and rule-based text mining techniques are used to identify the mosquito ontology concepts, the data mining apriori algorithm is used to predict the associations among them. Results: The outcome of the MBORS results in MVAont as Web Ontology Language (OWL) representation and MosqVecRS as an Android application. The developed ontology and recommendation system are freely available on the web portal. Interpretation & conclusion: The MVAont predicts harmless biocontrol agents which help to diminish the rate of vector-borne diseases. On the other hand, the MosqVecRS system raises awareness of vectors and vector-borne diseases by recommending suitable biocontrol agents to the vector control community and researchers.