Literatura académica sobre el tema "Pheidole megacephala"
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Artículos de revistas sobre el tema "Pheidole megacephala"
Salata, Sebastian y Brian L. Fisher. "Taxonomic revision of the Pheidole megacephala species-group (Hymenoptera, Formicidae) from the Malagasy Region". PeerJ 10 (26 de abril de 2022): e13263. http://dx.doi.org/10.7717/peerj.13263.
Texto completoSalata, Sebastian y Brian L. Fisher. "Taxonomic revision of the Pheidole megacephala species-group (Hymenoptera, Formicidae) from the Malagasy Region". PeerJ 10 (26 de abril de 2022): e13263. http://dx.doi.org/10.7717/peerj.13263.
Texto completoSaputra, Ari, Zainal Arifin y Riyanto Riyanto. "The Inventory of Soil Ants in Residential Area of Palembang". Jurnal Biota 7, n.º 1 (15 de enero de 2021): 25–35. http://dx.doi.org/10.19109/biota.v7i1.5331.
Texto completoMan, Lai-Sum y Chow-Yang Lee. "Structure-Invading Pest Ants in Healthcare Facilities in Singapore". Sociobiology 59, n.º 1 (22 de octubre de 2014): 241. http://dx.doi.org/10.13102/sociobiology.v59i1.681.
Texto completoEGUCHI, KATSUYUKI. "A revision of Northern Vietnamese species of the ant genus Pheidole (Insecta: Hymenoptera: Formicidae: Myrmicinae)". Zootaxa 1902, n.º 1 (15 de octubre de 2008): 1–118. http://dx.doi.org/10.11646/zootaxa.1902.1.1.
Texto completoDejean, Alain, Corrie S. Moreau, Pierre Uzac, Julien Le Breton y Martin Kenne. "The predatory behavior of Pheidole megacephala". Comptes Rendus Biologies 330, n.º 9 (septiembre de 2007): 701–9. http://dx.doi.org/10.1016/j.crvi.2007.06.005.
Texto completoD. Hoffmann, Benjamin. "The Big-headed Ant Pheidole megacephala: a new threat to monsoonal northwestern Australia". Pacific Conservation Biology 4, n.º 3 (1998): 250. http://dx.doi.org/10.1071/pc980250.
Texto completoCudjoe, A. R., P. Neuenschwander y M. J. W. Copland. "Interference by ants in biological control of the cassava mealybug Phenacoccus manihoti (Hemiptera: Pseudococcidae) in Ghana". Bulletin of Entomological Research 83, n.º 1 (marzo de 1993): 15–22. http://dx.doi.org/10.1017/s0007485300041730.
Texto completoE. May, J. y B. E. Heterick. "Effects of the coastal brown ant Pheidole megacephala (Fabricius), on the ant fauna of the Perth metropolitan region, Western Australia". Pacific Conservation Biology 6, n.º 1 (2000): 81. http://dx.doi.org/10.1071/pc000081.
Texto completoGuillem, Rhian y Keith Bensusan. "Three new exotic species of ants (Hymenoptera, Formicidae) for Madeira, with comments on its myrmecofauna". Journal of Hymenoptera Research 91 (30 de junio de 2022): 321–33. http://dx.doi.org/10.3897/jhr.91.81624.
Texto completoTesis sobre el tema "Pheidole megacephala"
Gaigher, Rene. "The invasive ant Pheidole megacephala on an oceanic island : impact, control and community-level response to management". Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/79877.
Texto completoENGLISH ABSTRACT: Invasive species are among the most important global conservation threats. Their management is one of the key conservation challenges that will have to be addressed in the next few decades. The study of real invasions and their management in natural ecosystems provides an opportunity to gain important information on theoretical and applied aspects of biological invasions. This project focuses on the broader ecological context of invasive ant management in an ecologically sensitive island habitat. The thesis has three main components: 1) assessing the role of the invasive ant Pheidole megacephala in the ecosystem and evaluating its threat to the system, 2) evaluating a low-impact management program for the ant, and 3) using a community-level approach to assess ecosystem response to ant removal. The ant occupied almost 30% of the island‘s total land area and reached extremely high densities in some areas. The ant was associated with exotic hemipteran scale insects through trophobiotic mutualisms that facilitated high ant and hemipteran abundances. The highly destructive scale insect Pulvinaria urbicola was among the hemipterans that benefited from ant attendance. High levels of hemipteran feeding resulted in dieback of functionally important and threatened native Pisonia trees, which represented a significant threat to the forest ecosystem. A management program was initiated in response to this threat, consisting of baiting with selective hydramethylnon-based bait delivered in bait stations, accompanied by detailed pre-and post-baiting monitoring. The method was highly effective at suppressing the ants, whilst preventing bait uptake by non-target organisms. It was also cost-effective and adaptable to ant density in the field, but was only effective over short distances. The method may be applicable to other sensitive environments with similar challenges. After ant control, the ant-scale mutualism was decoupled and the Pu. urbicola population collapsed. There were variable responses in different taxa to the removal of these highly abundant exotic species, the most important of which was the recovery in Pisonia trees. Shoot condition and foliage density improved and there was a decrease in sooty mold. Herbivory on Pisonia increased due to recovery of native canopy herbivores, but the overall impact was far less than that of the exotic hemipterans. Soil surface arthropods, a group that may have been vulnerable to the treatment method, were unaffected by baiting. Instead, they increased significantly after ant removal, confirming the ant‘s impact on other arthropods. Other ant diversity and non-ant arthropod abundance increased post-baiting, including the endemic ant Pheidole flavens farquharensis and some functionally important insects such as the Indian cockroach. Natural enemies that interacted predictably with the mutualists were influenced by management. Predators of hemipterans increased significantly after ant removal and were instrumental in the scale population collapse, whereas parasitoids of hemipterans that benefited from the mutualism declined. Additionally, groups that were unrelated to the mutualism were indirectly influenced by management. The natural enemy assemblage as a whole showed recovery to pre-invasion conditions. The study shows how widely interconnected and influential the ant was in the ecosystem. It highlights the threat of the species in natural systems as well as the complex responses following invasive ant removal. Yet, it also demonstrates the potential to safely and effectively manage the species, thereby raising the opportunity for ecosystem recovery.
AFRIKAANSE OPSOMMING: Indringerspesies is van die belangrikste globale bedreigings vir natuurbewaring. Hulle bestuur is van die grootste bewaringsuitdagings wat in die volgende paar dekades aangespreek moet word. Die studie van werklike invalle en hul bestuur in natuurlike ekosisteme bied 'n geleentheid om belangrike inligting te verkry oor teoretiese en toegepaste aspekte van biologiese indringing. Hierdie projek fokus op die breër ekologiese konteks van uitheemse mier bestuur in 'n ekologies sensitiewe eiland habitat. Die tesis het drie hoofkomponente: 1) die beoordeling van die rol van die indringer mier Pheidole megacephala in die ekosisteem en evaluering van sy bedreiging vir die sisteem, 2) die evaluering van 'n lae-impak bestuursprogram vir die mier, en 3) die gebruik van 'n gemeenskaps-vlak benadering om ekosisteem reaksie op mierverwydering te assesseer. Die mier het byna 30% van die totale landoppervlak van die eiland beslaan en het in party areas baie hoë digthede bereik. Die mier was geassosieer met uitheemse dopluis spesies in mutualismes wat hoë mier en dopluis getalle gefasiliteer het. Die hoogs beskadigende dopluis Pulvinaria urbicola was een van die spesies wat bevoordeel is deur die mutualisme. Hoë vlakke van dopluis voeding het die terugsterwe van funksioneel belangrike, bedreidge inheemse Pisonia bome veroorsaak, wat ʼn groot bedreiging vir die ekosisteem verteenwoordig het. ‗n Bestuursprogram is geïmplimenteer as gevolg van hierdie bedreiging, wat bestaan het uit selektiewe hidrametielnoon-gebaseerde lokaas wat in die veld geplaas is in lokaashouers, vergesel deur intensiewe monitering voor en na lokaasplasing. Die metode was hoogs effektief in die onderdrukking van die miere en het lokaasinname deur nie-teiken organismes verhoed. Dit was ook koste-effektief en aanpasbaar volgens mierdigtheid in die veld, maar was slegs effektief oor kort afstande. Die metode mag van toepassing wees in ander sensitiewe omgewings met soortgelyke uitdagings. Na mierbeheer is die mier-dopluis mutualisme ontkoppel en die Pu. urbicola bevolking het drasties verminder. Daar was verskillende reaksies in verskillende taxa tot die verwydering van die oorvloedryke eksotiese spesies, maar die belangrikste reaksie was die herstel van Pisonia bome. Spruittoestand en blaardigtheid het verbeter en daar was ʼn afname in roetskimmel. Herbivorie op Pisonia het toegeneem as gevolg van ʼn herstel in inheemse herbivore, maar die algehele impak was veel minder as dié van die eksotiese dopluis. Grondoppervlak gelidpotiges, 'n groep wat kwesbaar kon wees vir die behandelingsmetode, was onaangeraak deur die lokaas, maar het beduidend na mierverwydering vermeerder. Mierdiversiteit het vermeerder en die Seychelles endemiese mier Pheidole flavens farquharensis is hervestig. Ander gelidpotiges het ook vermeerder, insluitend funksioneel belangrike spesies soos die Indiese kakkerlak. Natuurlike vyande wat geassosieer was met die mutualiste is beïnvloed deur die mierbestuur. Predatore van dopluis het beduidend toegeneem na mierverwydering en was hoogs betrokke by die vermindering van dopluis, terwyl parasiete van dopluis, wat voordeel getrek het uit die mutualisme, gedaal het. Daarbenewens is groepe wat onverwant was aan die mutualisme indirek beïnvloed deur mierbestuur. Die algehele natuurlike vyand gemeenskap het herstel na pre-indringing toestand. Die studie toon hoe wydverbind en invloedryk die mier was in die ekosisteem. Dit beklemtoon die bedreiging van die spesies in natuurlike stelsels asook die komplekse reaksies wat uitheemse mierverwydering volg. Tog demonstreer dit die potensiaal om die spesies veilig en doeltreffend te bestuur, en sodoende die geleentheid vir ekosisteemherstel te skep.
Seguni, Zuberi Singano Kombo. "Biology and control of Pheidole megacephala (Hymenoptera: Formicidae, Myrmicinae) especially in relation to use of Ocecophylla longinoda (Formicidae, Formininae) for biological control of Pseudoptheraptus wayi (Herteroptera: Coreidae) in Tanzanian coconut". Thesis, University of London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.264338.
Texto completoClough, Elizabeth Anne y n/a. "Factors Influencing Ant Assemblages and Ant Community Composition in a Sub-Tropical Suburban Environment". Griffith University. School of Environmental and Applied Science, 2004. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20040719.141317.
Texto completoClough, Elizabeth Anne. "Factors Influencing Ant Assemblages and Ant Community Composition in a Sub-Tropical Suburban Environment". Thesis, Griffith University, 2004. http://hdl.handle.net/10072/366528.
Texto completoThesis (Masters)
Master of Philosophy (MPhil)
School of Environmental and Applied Science
Full Text
Lai, Yi-Chun y 賴苡均. "Mutualistic interactions of pink hibiscus mealybug Maconellicoccus hirsutus and bigheaded ant Pheidole megacephala". Thesis, 2005. http://ndltd.ncl.edu.tw/handle/71433899319657516013.
Texto completo國立屏東科技大學
植物保護系
93
The mutualism of Hemipteran and ant is very common in the nature. There are 10 species of ant associating with hibiscus mealybug, Maconellicoccus hirsutus (Green), in Pingtung area, Taiwan. In those mutual ants, Pheidole megacephala (Fabricius) and Tapinoma melanocephalum (Fabricius) are frequently detected in 19 townships. Thus, P. megacephala was used to study its relationship with and influence to hibiscus mealybug population in the laboratory. The results showed that ants can prey on M. hirsutus in case of protein and fat demanded when no additional food supplied. The amount of mealybug fed by ants is significantly reduced (t0.05,18=1.94, p<0.05) when 50 spider mites were added. In place of mealybug, spider mite can serve as protein source of ants and this can be proved by that 6 times of mite number was decreased comparing with the number of mites with no ants coexistence. Only female adults and eggs of M. hirsutus were found inside the nests when 22 nests constructed by P. megacephala at the stem base of hibiscus, Hibisicus rosa-sinensis Linn. were surveyed. Comparison of the preference of P. megacephala to egg, nymph and adult of M. hirsutus indicated that ants significantly prefer to eggs of mealybug (t0.05,20 = 3.01, p= 0.002). Because tests also showed that ants didn’t influence the egg laying of female adults, we presume that eggs and adults of M. hirsutus found in the nest is the protein and honeydew, respectively, resources of ants. The number of M. hirsutus rearing on hibiscus with ants presence was 4.2 times more than that on mulberry (Morus australis), however, without the ants coexistence, the number of mealybug on hibiscus was 7.6 times more than that on mulberry. The amount of glucose, fructose, and sucrose detected in extrafloral nectarines (EFN) of hibiscus is higher than that in honeydew from mealybug by HPLC analysis. Thus, the EFN on H. rosa-sinensis presumably can lower the honeydew demand of ants, and in consequence significantly increase (t0.05,18=2.41,p=0.01)their predation on mealybugs. The observation for protective behavior of P. megacephala against the attack of Cryptolaemus montrouzieri Mulsant to mealybug showed that all C. montrouzieri introduced can be killed and removed out in 132.5 min. The mealybug coexisted with ants truly can be protected from the invading of other natural enemies.
Capítulos de libros sobre el tema "Pheidole megacephala"
John, Gary C. y John W. Beardsley. "Big-Headed Ants, Pheidole Megacephala: Interference with the Biological Control of Gray Pineapple Mealybugs". En Exotic Ants, 199–205. New York: CRC Press, 2021. http://dx.doi.org/10.1201/9780429040795-17.
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