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Статті в журналах з теми "Ant queens"

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Oliveira, Ricardo Caliari, Jonas Warson, David Sillam-Dussès, Beatriz Herrera-Malaver, Kevin Verstrepen, Jocelyn G. Millar, and Tom Wenseleers. "Identification of a queen pheromone mediating the rearing of adult sexuals in the pharaoh ant Monomorium pharaonis." Biology Letters 16, no. 8 (August 2020): 20200348. http://dx.doi.org/10.1098/rsbl.2020.0348.

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The division of labour between reproductive queens and mostly sterile workers is among the defining characteristics of social insects. Queen-produced chemical signals advertising her presence and fertility status, i.e. queen pheromones, are normally used to assert the queen's reproductive dominance in the colony. Most queen pheromones identified to date are chemicals that stop the daughter workers from reproducing. Nevertheless, it has long been suggested that queen pheromones could also regulate reproduction in different ways. In some multiple-queen ants with obligately sterile workers, for example—such as fire ants and pharaoh ants—queen pheromones are thought to regulate reproduction by inhibiting the rearing of new sexuals. Here, we identify the first such queen pheromone in the pharaoh ant Monomorium pharaonis and demonstrate its mode of action via bioassays with the pure biosynthesized compound. In particular, we show that the monocyclic diterpene neocembrene, which in different Monomorium species is produced solely by fertile, egg-laying queens, strongly inhibits the rearing of new sexuals (queens and males) and also exerts a weakly attractive ‘queen retinue’ effect on the workers. This is the first time that a queen pheromone with such a dual function has been identified in a social insect species with obligately sterile workers.
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Castañeda, Irene, Elsa Bonnaud, Franck Courchamp, and Gloria Luque. "Influence of the Number of Queens on Nest Establishment: Native and Invasive Ant Species." Animals 11, no. 3 (February 24, 2021): 591. http://dx.doi.org/10.3390/ani11030591.

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As a critical stage in the life cycle of ant colonies, nest establishment depends on external and internal factors. This study investigates the effect of the number of queens on queen and worker behavior during nest establishment in invasive Argentine ants (Linepitema humile) and native Mediterranean Tapinoma nigerrimum. We set up experimental colonies with the same number of workers but with one or six queens. At different time points, we recorded the positions of queens and workers inside and outside the nest. Our results highlight the influence of the number of queens on the position of queens and workers with between-species differences. Queens of both species entered the nests more quickly when there were six queens. During nest establishment, more workers were inside nests with six queens for both species, with this effect being greater for T. nigerrimum. Once nests were established, fewer workers of both species were engaged in nest maintenance and feeding in nests with six queens; T. nigerrimum had fewer workers engaged in patrolling. These results suggest that the number of queens is a key factor driving queen and worker behavior during and after nest establishment with different species responses.
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Porter, Sanford D. "Origins of New Queens in Polygyne Red Imported Fire Ant Colonies (Hymenoptera: Formicidae)." Journal of Entomological Science 26, no. 4 (October 1, 1991): 474–78. http://dx.doi.org/10.18474/0749-8004-26.4.474.

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Polygyne colonies of the red imported fire ant, Solenopsis invicta, accepted newly mated queens both from their own colony and unrelated colonies. Only a small fraction of the marked winged queens and newly mated queens were successful in joining test colonies in the field. None of the founding queens were accepted into test colonies. One marked colony queen switched colonies.
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Pulliainen, Unni, Heikki Helanterä, Liselotte Sundström, and Eva Schultner. "The possible role of ant larvae in the defence against social parasites." Proceedings of the Royal Society B: Biological Sciences 286, no. 1898 (March 6, 2019): 20182867. http://dx.doi.org/10.1098/rspb.2018.2867.

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Temporary social parasite ant queens initiate new colonies by entering colonies of host species, where they begin laying eggs. As the resident queen can be killed during this process, host colonies may lose their entire future reproductive output. Selection thus favours the evolution of defence mechanisms, before and after parasite intrusion. Most studies on social parasites focus on host worker discrimination of parasite queens and their offspring. However, ant larvae can also influence brood composition by consuming eggs. This raises the question whether host larvae can aid in preventing colony takeover by consuming eggs laid by parasite queens. To test whether larvae could play a role in anti-parasite defence, we compared the rates at which larvae of a common host species, Formica fusca , consumed eggs laid by social parasite, non-parasite, nest-mate, or conspecific non-nest-mate queens. Larvae consumed social parasite eggs more than eggs laid by a heterospecific non-parasite queen, irrespective of the chemical distance between the egg cuticular profiles. Also, larvae consumed eggs laid by conspecific non-nest-mate queens more than those laid by nest-mate queens. Our study suggests that larvae may act as players in colony defence against social parasitism, and that social parasitism is a key factor shaping discrimination behaviour in ants.
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Koyama, Satoshi, Shingo Matsui, Toshiyuki Satoh, and Ken Sasaki. "Octopamine and cooperation: octopamine regulates the disappearance of cooperative behaviours between genetically unrelated founding queens in the ant." Biology Letters 11, no. 6 (June 2015): 20150206. http://dx.doi.org/10.1098/rsbl.2015.0206.

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We investigated whether octopamine (OA) is associated with the disappearance of cooperation in Polyrhachis moesta ant queens. Queens of P. moesta facultatively found the colony with genetically unrelated queens. The founding queens perform frequent food exchange with these non-related queens and partake in cooperative brood rearing, whereas single colony queens exclude non-related queens via aggressive behaviour. Thus, aggression is a factor that reduces cooperation. Given that aggression is generally associated with brain OA in insects, we hypothesized that OA controls the behavioural change in cooperation in the ant queen, via an increase in aggression. To test this hypothesis, we compared the amounts of OA and related substances in the brain between founding and colony queens, and observed the interaction of founding queens following oral OA administration. The brain OA levels in colony queens were significantly higher than those in founding queens. Oral administration of OA to founding queens caused significantly less trophallaxis and allogrooming behaviour than in the control founding queens, but with no significant increase in aggression. These results suggest that OA promotes the disappearance of cooperation in founding queens of P. moesta . This is the first study to reveal the neuroendocrine mechanism of cooperation in ant queens.
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Pearcy, Morgan, Michael A. D. Goodisman, and Laurent Keller. "Sib mating without inbreeding in the longhorn crazy ant." Proceedings of the Royal Society B: Biological Sciences 278, no. 1718 (February 2, 2011): 2677–81. http://dx.doi.org/10.1098/rspb.2010.2562.

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Sib matings increase homozygosity and, hence, the frequency of detrimental phenotypes caused by recessive deleterious alleles. However, many species have evolved adaptations that prevent the genetic costs associated with inbreeding. We discovered that the highly invasive longhorn crazy ant, Paratrechina longicornis , has evolved an unusual mode of reproduction whereby sib mating does not result in inbreeding. A population genetic study of P. longicornis revealed dramatic differences in allele frequencies between queens, males and workers. Mother–offspring analyses demonstrated that these allele frequency differences resulted from the fact that the three castes were all produced through different means. Workers developed through normal sexual reproduction between queens and males. However, queens were produced clonally and, thus, were genetically identical to their mothers. In contrast, males never inherited maternal alleles and were genetically identical to their fathers. The outcome of this system is that genetic inbreeding is impossible because queen and male genomes remain completely separate. Moreover, the sexually produced worker offspring retain the same genotype, combining alleles from both the maternal and paternal lineage over generations. Thus, queens may mate with their brothers in the parental nest, yet their offspring are no more homozygous than if the queen mated with a male randomly chosen from the population. The complete segregation of the male and female gene pools allows the queens to circumvent the costs associated with inbreeding and therefore may act as an important pre-adaptation for the crazy ant's tremendous invasive success.
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Pearcy, Morgan, Noémie Delescaille, Pascale Lybaert, and Serge Aron. "Team swimming in ant spermatozoa." Biology Letters 10, no. 6 (June 2014): 20140308. http://dx.doi.org/10.1098/rsbl.2014.0308.

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In species where females mate promiscuously, competition between ejaculates from different males to fertilize the ova is an important selective force shaping many aspects of male reproductive traits, such as sperm number, sperm length and sperm–sperm interactions. In eusocial Hymenoptera (bees, wasps and ants), males die shortly after mating and their reproductive success is ultimately limited by the amount of sperm stored in the queen's spermatheca. Multiple mating by queens is expected to impose intense selective pressure on males to optimize the transfer of sperm to the storage organ. Here, we report a remarkable case of cooperation between spermatozoa in the desert ant Cataglyphis savignyi . Males ejaculate bundles of 50–100 spermatozoa. Sperm bundles swim on average 51% faster than solitary sperm cells. Team swimming is expected to increase the amount of sperm stored in the queen spermatheca and, ultimately, enhance male posthumous fitness.
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De Gasperin, Ornela, Pierre Blacher, Guglielmo Grasso, and Michel Chapuisat. "Winter is coming: harsh environments limit independent reproduction of cooperative-breeding queens in a socially polymorphic ant." Biology Letters 16, no. 1 (January 2020): 20190730. http://dx.doi.org/10.1098/rsbl.2019.0730.

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Cooperative breeding animals frequently inhabit harsh environments. It is widely accepted that harsh environments hinder independent reproduction, and this constraint maintains individuals in family groups. Yet the assumption that harsh ecological conditions reduce the success of members of cooperative breeding groups when breeding independently has not been experimentally tested. We addressed this shortcoming using the socially polymorphic Alpine silver ant, Formica selysi . This species has single-queen (independent breeders) and multiple-queen (cooperative breeders) colonies coexisting within populations. We placed newly mated queens emerging from each type of colony to breed alone in either a harsh or mild winter condition and recorded their brood production and survival. Queens emerging from single-queen colonies were unaffected by the winter condition and were more successful at founding a nest independently than queens from multiple-queen colonies. By contrast, queens from multiple-queen colonies had higher mortality after a harsh than after a mild winter. These results support the long-held assumption that harsh environments constrain independent reproduction of members of cooperative breeding groups.
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Giehr, Julia, Anna V. Grasse, Sylvia Cremer, Jürgen Heinze, and Alexandra Schrempf. "Ant queens increase their reproductive efforts after pathogen infection." Royal Society Open Science 4, no. 7 (July 2017): 170547. http://dx.doi.org/10.1098/rsos.170547.

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Infections with potentially lethal pathogens may negatively affect an individual's lifespan and decrease its reproductive value. The terminal investment hypothesis predicts that individuals faced with a reduced survival should invest more into reproduction instead of maintenance and growth. Several studies suggest that individuals are indeed able to estimate their body condition and to increase their reproductive effort with approaching death, while other studies gave ambiguous results. We investigate whether queens of a perennial social insect (ant) are able to boost their reproduction following infection with an obligate killing pathogen. Social insect queens are special with regard to reproduction and aging, as they outlive conspecific non-reproductive workers. Moreover, in the ant Cardiocondyla obscurior , fecundity increases with queen age. However, it remained unclear whether this reflects negative reproductive senescence or terminal investment in response to approaching death. Here, we test whether queens of C. obscurior react to infection with the entomopathogenic fungus Metarhizium brunneum by an increased egg-laying rate. We show that a fungal infection triggers a reinforced investment in reproduction in queens. This adjustment of the reproductive rate by ant queens is consistent with predictions of the terminal investment hypothesis and is reported for the first time in a social insect.
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Cooling, M. D., B. D. Hoffmann, M. A. M. Gruber, and P. J. Lester. "Indirect evidence of pathogen-associated altered oocyte production in queens of the invasive yellow crazy ant, Anoplolepis gracilipes, in Arnhem Land, Australia." Bulletin of Entomological Research 108, no. 4 (September 18, 2017): 451–60. http://dx.doi.org/10.1017/s0007485317000967.

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AbstractAnoplolepis gracilipes is one of the six most widespread and pestiferous invasive ant species. Populations of this invader in Arnhem Land, Australia have been observed to decline, but the reasons behind these declines are not known. We investigated if there is evidence of a pathogen that could be responsible for killing ant queens or affecting their reproductive output. We measured queen number per nest, fecundity and fat content of queens from A. gracilipes populations in various stages of decline or expansion. We found no significant difference in any of these variables among populations. However, 23% of queens were found to have melanized nodules, a cellular immune response, in their ovaries and fat bodies. The melanized nodules found in dissected queens are highly likely to indicate the presence of pathogens or parasites capable of infecting A. gracilipes. Queens with nodules had significantly fewer oocytes in their ovaries, but nodule presence was not associated with low ant population abundances. Although the microorganism responsible for the nodules is as yet unidentified, this is the first evidence of the presence of a pathogenic microorganism in the invasive ant A. gracilipes that may be affecting reproduction.
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Дисертації з теми "Ant queens"

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Cherasse, Sarah. "Reproduction and immunity in ant queens: Reproduction et immunité chez les reines de fourmis." Doctoral thesis, Universite Libre de Bruxelles, 2019. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/284596.

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Ants and other social Hymenoptera (social bees and wasps) have a remarkable mating strategy. Social Hymenoptera live in societies where reproduction is monopolized by a fertile caste consisting of males and queens. On the other hand, the logistical tasks of the colony are carried out by a sterile female caste known as workers. Reproductive individuals mate during a single bout early in their life and will never engage in additional reproductive events later on. Males die soon after mating while queens store millions of sperm cells in a specialized organ, the spermatheca. Queens will use this sperm stock to fertilize eggs during the rest of their life that can last up to several decades. With a record of 28.5 years in the black garden ant, ant queens have the longest lifespan recorded to date among the social Hymenoptera. In my thesis, I addressed three aspects of ant queen reproduction. First, I tested the effect of mating on the expression of several genes involved namely in fecundity, longevity and immunity. I found that mating induces an up-regulation of the yolk precursor vitellogenin and of the antimicrobial peptide defensin. Second, I measured the intensity of different immune responses in male and queen genital organs in order to determine which immune pathways are activated to protect sperm. Antimicrobial peptide genes are expressed in the genital tract of both sexes and the queen spermatheca is capable of strongly inhibiting bacterial growth. The immune melanization response is, however, overall inactive in the organs tested probably because its unspecific mode of action and cytotoxic by-products are likely to damage sperm cells. Immunity thus seems to be closely regulated in organs that are in contact with sperm. Third, I determined if activation of the queen immune system had an impact on the survival of sperm stored in the spermatheca. There is no detectable effect in young newly mated queens whereas, in one year old queens, immune activation induces a significant reduction in sperm viability. Life stage thus seems to influence queen ability to preserve sperm viability in the event of an immune challenge. In addition, one year old queens have higher sperm viability than newly mated queens suggesting queens are able to displace dead sperm cells from their spermatheca. Finally, I relied on the well-established sequence of behaviors inherent to the early life of ant queens to try to uncover the largely unknown roles of inotocin, the insect ortholog of the vertebrate hormones oxytocin and vasopressin, in regulating insect behavior. I measured gene expression of the inotocin receptor and found that it is highly expressed during social and reproductive behaviors, which is consistent with previous results in vertebrates. Inotocin might thus also be involved in modulating these behaviors in insects, but further studies are needed to be able to fully understand this complex signaling system. Overall, I show that reproduction and immunity are closely linked in ant queens and that the latter provide promising models for investigating the roles of hormones in insects.
Doctorat en Sciences
info:eu-repo/semantics/nonPublished
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Wyschetzki, Katharina von [Verfasser], and Jürgen [Akademischer Betreuer] Heinze. "Evaluating proximate causes of longevity in ant queens by RNA-sequencing / Katharina von Wyschetzki ; Betreuer: Jürgen Heinze." Regensburg : Universitätsbibliothek Regensburg, 2016. http://d-nb.info/1117219526/34.

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Dietemann, Vincent. "Differentiation in reproductive potential and chemical communication of reproductive status in workers and queens of the ant Myrmecia gulosa." Doctoral thesis, [S.l. : s.n.], 2002. http://deposit.ddb.de/cgi-bin/dokserv?idn=968358268.

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Benz, Lisa. "Queen consort, queen mother : the power and authority of fourteenth century Plantagenet queens." Thesis, University of York, 2009. http://etheses.whiterose.ac.uk/14154/.

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Between 1299 and 1369 there was a continuous succession of queen consorts and queen dowagers. Margaret of France was queen consort between 1299 and 1307 and died in 1318, Isabella of France was queen consort between 1308 and 1327 and she died in 1358 and Philippa of Hainault was queen consort between 1328 and 1369 when she died. A continuous transition between queens is particularly exciting for a study of queenship because an analysis of these queens' activities provides a unique opportunity to form conclusions about nonnative queenly behaviour, and to determine the extent to which their activities depended on circumstance and inclination. The overlapping of consorts and dowagers also allows us to study the relationships between these women. Yet there has been no full-length study which takes advantage of this exceptional period in late medieval history. This present study proposes to do so, and frames this examination around four major themes: gender; status; the concept of the crown; and power and authority. By using administrative, visual and literary sources this study seeks to address the themes of gender, status, medieval concepts of the crown and power and authority. Through these themes it expounds upon the relationship of the ideology of queenship and the historical actions of three fourteenth-century queens. This thesis will demarcate when the queen's power is symbolic or achieved through her own initiative. It examines the extent to which gender and status dictated the nature of her power and authority, and it will use the concept of the crown to assess her royal status. It acknowledges that gender inequality existed in the medieval period; the queen could not rule in her own right, nor act as chancellor, treasurer or member of parliament. However, instead of emphasizing the queen's independence or her constraints and limitations, this study seeks to provide an even-handed analysis of how the queen acted. Overall, this thesis concludes that not only did the queen remain a visible part of the centralized monarchy, she also held official roles within government She was embedded in the administrative apparatus of government as a wife, a mother and a widely recognized representative of the crown.
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Burns, Kellie Jean, and n/a. "Blood, sweat and queers : (re)imagining global queer citizenship at the Sydney 2002 Gay Games." University of Otago. School of Physical Education, 2008. http://adt.otago.ac.nz./public/adt-NZDU20080514.131842.

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This thesis takes the Sydney 2002 Gay Games: Under New Skies �02, as a case study into the production of global queer citizenship. In the existing body of work around the Gay Games they are analysed as an international gay and lesbian sporting event (Cramer, 1996; Krane et al., 2001; Pronger, 2000; Waitt, 2005), as a gay and lesbian community event (Krane & Waldron, 2000; Symons, 2002, 2004; Waitt, 2003, 2006), and as a cultural site where discourses of nationality, sport and sexuality converge (Miller, 2001; Probyn, 2000; Rowe et al., 2006; Stevenson et al., 2005; Waitt, 2005; Waitt & Markwell, 2006). This thesis builds on these investigations, asking specific questions about the ways in which discourses of sexuality and citizenship are produced and governed within and across the Sydney 2002 Gay Games promotional and media materials. The analysis is guided by Michel Foucault�s notion of governmentality (1991) and the works of related theorists who map the disparate array of neoliberal mechanisms of government that �conduct the conduct� and �act on the actions� of individuals and certain populations (Bratich et al., 2003; Gordon, 1991; Larner, 2000; Larner & Walters, 2002, 2004; Miller, 1993; Rabinow & Rose, 2003; Rose, 1996a, 1999). The analysis begins by asking how discourses of the autonomous, neo-liberal subject converge with discourses of �global living� such that individuals are invited to imagine themselves as increasingly flexible, freedom-loving (Rose, 1999), self-assured, cosmopolitan global citizens. The idea of the global imagination is then used to explore the ways in which the Gay Games commitment to �total inclusion� and its promise of personal and community transformation rely on similar neo-liberal renderings of tbe subject. It argues that the event�s �political� promises not only normalise certain forms of identity-based consumption (Chasin, 2000), they also (re)produce and normalise a very entrepreneurial, western-centric, cosmopolitan �brand� of global queer citizenship. The thesis also emphasises the important role that images and image-related technologies played in upholding normative meanings around queer sexuality and queer citizenship at the Games. In doing so, the thesis argues that images and technologies do more than simply represent individuals� lived experiences. Images, it argues, are (inter)active entities that produce and shape individuals� understanding of the �real� and how they come to know themselves as certain types of subjects. Where the Sydney 2002 Gay Games were concerned, images were integral in producing normative meanings around gender, sexuality and citizenship and in governing participants� experiences as �locals�, �global visitors�, �athletes�, �cultural participants� and consumers.
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Coull, Jamie Lee. "Faux Queens: an exploration of gender, sexuality and queerness in cis-female drag queen performance." Thesis, Curtin University, 2015. http://hdl.handle.net/20.500.11937/2117.

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This research explores the cultural implications of cis-women performing as drag queens; focusing on straight-identified performers.The exegesis and creative production examine intersections between heterosexual and queer identities, and whether straight-identified faux queens may be queered by performance practice. Drawing on practice-led research, autoethnography and in-depth interviews, the thesis explores challenges in negotiating cis-gender iterations of drag and discusses ways that faux queen performances maintain the challenge of queer and resist reincorporation.
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Lindqvist, Siri. "GIRLFAGS AND GUYDYKES - Too queer for straights, and too straight for queers." Thesis, Malmö universitet, Fakulteten för hälsa och samhälle (HS), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-26619.

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Aim. To highlight how girlfags and guydykes describe their identities and their experience and interpretation of the identity labels. Background and previous studies. The sexual minority identity of girlfags and guydykes are sometimes perceived as provocative in their contradictory labels. There is little to no previous research on the identities and what is known is mostly presented on internet blogs and forums. The identities seemingly involve aspects on sexual orientation, gender and sexual practice. Research related to sexual minorities, non-normative sex, LGBT and the risk of ill-health with identifying as a sexual minority is presented. Method. Semi-structured interviews in a method of choice was applied to this study so as to ease contact with a sexual minority group. Participants were sought through a Facebook © forum, with a total of eleven interviews with two guydykes and nine girlfags, through video call (2), phone call (1), in person (1), email (6), email with sound files (1). The data was analysed with content analysis. Results and analysis. The results were extensive and had to be delimited. The results were analysed in a sexual constructionist setting using the concept of the heterosexual matrix (Butler, 1990) and the concepts of gender/sex sexuality and nurturance and eroticism presented in van Anders’ (2015) Sexual Configurations Theory (SCT). Three main categories were presented; A play on gender, Sexuality and Orientation, and Identity. Conclusions. There is pride portrayed in the girlfag and guydykes identities. The identity breaks norms regarding gender and sexuality and even sexual orientation within an LGBT context. The results indicate that further research on transgender issues and relational and social aspects of the identities is needed. Keywords: autoandrophilia, gender identity, genderqueer, girlfag, guydyke, homosexuality, LGBT, non-normative, sexual minorities, lesbian man, queer.
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Salazar, Atías Camila. ""QUEENS´LOVE ALWAYS AND FOREVER- AMOR DE REINA" – LATINAS WHO CHOSE TO JOIN THE ALMIGHTY LATIN KING AND QUEEN NATION." Thesis, Stockholm University, Department of Sociology, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-42203.

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The Almighty Latin King and Queen Nation, one of New York’s largest street gangs allowed me through the Street Organization Project to interview and conduct field research with their female members during the years of 1997-1999. This paper is a direct result of my research and it examines the processes leading Latinas to join the female branch of the Almighty Latin King and Queen Nation, show the changing nature of gang female participation and the motives for continuing within the gang.

The New York State Latin Queens were founded in 1991 after a manifesto for the Latin Queens was penned by King Blood, the First President of the New York State Latin Kings. Until that time, there had been no organized group for women who wanted to join the Latin Kings. They were called the Naia Tribe. After 1996, the role of the Queens began to expand with the ascension of King Tone to the Inca position (First President) of the New York State. Under King Tone’s leadership, the rules of the Queens were amended. For the first time the Queens began to put forward their own demands, which challenged some of the discriminatory rules and male privileges of the group

The Latin Queens I interviewed were from different areas in New York with a predominantly Puerto Rican and Dominican background. The respondents described their motives for joining either directly or indirectly under a multitude of different themes that spoke to the effects of systematic physical abuse, economic deprivation, health problems, emotional trauma, cultural denial and family disintegration. I will analyze these in greater depth by breaking them down and contrasting the findings to the four themes also identified in the literature as: issues of identity, family pressures, economic survival and family/community networks.

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au, J. Horncastle@murdoch edu, and Julia Horncastle. "Queer Being and the Sexual Interstice: A Phenomenological Approach to the Queer Transformative Self." Murdoch University, 2008. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20081105.142124.

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This thesis explores a notion of “queer being” in relation to a difficult yet creative articulation of queer self-consciousness. The difficulty of attempting to “particularise” self-consciousness is challenged and dismantled by proposing ways in which putatively exclusive esoteric knowledges of being can be exposed and expanded. This is achieved by justifying singular (queer) experience as it coincides with the disparities between subjectivity and objectivity, experience and existence. I argue that two key perspectives (those of interstitiality and self-transformativity) provide a basis whereby we can “force” a radical articulation of queer being-ness into general and contemporary philosophical discourses of being. In doing so, a particularised theory of intersubjective being emerges as a way to identify the complicity of ethics and ontology. “Queerness” in this thesis is especially articulated as an eccentricity or poetics of being, experienced at the juncture of diverse knowledge spaces. These include not only the threshold and radical spaces of sexuality and gender, but also the perceived limits of theories of being which allow us to formulate understandings of self-consciousness. This is evidenced through a critical analysis of feminist, queer, transgender, phenomenological and existential texts and/or practices, paying special regard to “everyday, real-life” experience. By using a combination of the “logic of the interstice”, genealogical methods, hermeneutical analysis and a deconstructionist theoretical approach, the thesis seeks out, and insists upon, ways to articulate and determine the possibility of a queer sensibility as both a practice of self-transformativity and a more broadly applicable knowledge heuristic. The thesis demonstrates that by increasing an awareness of a particular kind of self-transformative queer being-ness – one that embraces a critical ethics of being – the rich insights of queer experiences and knowledges can act as a valuable resource for reviewing the horizons of the ontology of the subject. It also suggests that particularising the term “queer” in relation to a complex theory of “sensibility” provides new depths for understanding, and practical ways to make use of, a queer theory of being.
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Biles, Leslie. "Pink flamingos and the two queens." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0015/MQ47980.pdf.

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Книги з теми "Ant queens"

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Butler, Daniel Allen. Warrior queens: The Queen Mary and Queen Elizabeth in World War II. Barnsley: Leo Cooper, 2002.

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Warrior Queens: The Queen Mary and Queen Elizabeth in World War II. Mechanicsburg, PA: Stackpole Books, 2002.

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Picture history of the Queen Mary and the Queen Elizabeth. Mineola, NY: Dover Publications, 2004.

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4

S, Kaplan Flora, ed. Queens, queen mothers, priestesses, and power: Case studies in African gender. New York: New York Academy of Sciences, 1997.

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Queens consort: England's medieval queens. London: Weidenfeld & Nicolson, 2008.

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6

Yolen, Jane. Queen's own fool: A novel of Mary Queen of Scots. New York: Philomel Books, 2000.

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7

Yolen, Jane. Queen's own fool: A novel of Mary Queen of Scots. New York: Philomel Books, 2000.

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8

Caldwell, David H. The Queen's world: A celebration of Mary, Queen of Scots. [Edinburgh]: Scottish National Portrait Gallery in association with the National Museums of Scotland, 1987.

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Yolen, Jane. Queen's own fool: A novel of Mary Queen of Scots. New York: Puffin, 2001.

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Baldiserra, Lisa. Beauty queens. Victoria, B.C: Art Gallery of Greater Victoria, 2004.

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Частини книг з теми "Ant queens"

1

Dunn-Hensley, Susan. "Witches and Queens: Queen Anna and Representations of Female Power." In Anna of Denmark and Henrietta Maria, 45–74. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-63227-8_3.

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Tingle, Louise. "Agency and Intercession." In Chaucer's Queens, 33–53. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-63219-9_3.

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Tingle, Louise. "Pardons and Influence." In Chaucer's Queens, 55–79. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-63219-9_4.

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Navarro-Farr, Olivia C., Damien Marken, Mary Kate Kelly, Keith Eppich, Griselda Pérez Robles, and Juan Carlos Pérez. "Queens and Statecraft." In 3,000 Years of War and Peace in the Maya Lowlands, 159–83. London: Routledge, 2022. http://dx.doi.org/10.4324/9781351268004-7.

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Woodacre, Elena. "Queens and Courtiers." In The Routledge History Of Women In Early Modern Europe, 219–37. New York : Routledge, 2019. | Series: Routledge histories |: Routledge, 2019. http://dx.doi.org/10.4324/9780429355783-10.

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Whittaker, Jason. "Trannies, Amputees and Disco Queens: Blake and Contemporary Queer Art." In Queer Blake, 87–96. London: Palgrave Macmillan UK, 2010. http://dx.doi.org/10.1057/9780230277175_8.

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Tingle, Louise. "Pregnancy, Maternity and Childlessness." In Chaucer's Queens, 17–31. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-63219-9_2.

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Tingle, Louise. "Queen’s Gold and Revenues." In Chaucer's Queens, 81–108. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-63219-9_5.

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Tingle, Louise. "Material Culture and Patronage." In Chaucer's Queens, 111–36. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-63219-9_6.

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Mack, Douglas S. "James Hogg and his Publishers: The Queen’s Wake and Queen Hynde." In Authorship, Commerce and the Public, 67–83. London: Palgrave Macmillan UK, 2002. http://dx.doi.org/10.1057/9780230375482_5.

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Тези доповідей конференцій з теми "Ant queens"

1

Helms, Jackson. "Ants in the atmosphere: Colony founding, mating, and dispersal in ant queens." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.89051.

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Fewell, Jennifer H. "Group size effects on social organization and productivity in cooperative associations of ant queens." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.115524.

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Simankov, M. K. "NEW WAYS OF GETTING INFERTILE AND FERTILE QUEEN BEES HONEY BEES." In INNOVATIVE TECHNOLOGIES IN SCIENCE AND EDUCATION. DSTU-Print, 2020. http://dx.doi.org/10.23947/itno.2020.261-263.

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The article is devoted to the processes of reproduction of infertile and fertile Queen bees. Some ethological features of Central Russian bees, as well as the difficult climatic conditions in which they are bred, lead to a decrease in the profitability of the process of obtaining Queens of this breed. The search and implementation of new methods of reproduction of Queens in the practice of beekeeping will allow you to get a greater number of high-quality Central Russian Queens.
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Gent, Ian P., Christopher Jefferson, and Peter Nightingale. "Complexity of n-Queens Completion (Extended Abstract)." In Twenty-Seventh International Joint Conference on Artificial Intelligence {IJCAI-18}. California: International Joint Conferences on Artificial Intelligence Organization, 2018. http://dx.doi.org/10.24963/ijcai.2018/794.

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The n-Queens problem is to place n chess queens on an n by n chessboard so that no two queens are on the same row, column or diagonal. The n-Queens Completion problem is a variant, dating to 1850, in which some queens are already placed and the solver is asked to place the rest, if possible. We show that n-Queens Completion is both NP-Complete and #P-Complete. A corollary is that any non-attacking arrangement of queens can be included as a part of a solution to a larger n-Queens problem. We introduce generators of random instances for n-Queens Completion and the closely related Blocked n-Queens and Excluded Diagonals Problem. We describe three solvers for these problems, and empirically analyse the hardness of randomly generated instances. For Blocked n-Queens and the Excluded Diagonals Problem, we show the existence of a phase transition associated with hard instances as has been seen in other NP-Complete problems, but a natural generator for n-Queens Completion did not generate consistently hard instances. The significance of this work is that the n-Queens problem has been very widely used as a benchmark in Artificial Intelligence, but conclusions on it are often disputable because of the simple complexity of the decision problem. Our results give alternative benchmarks which are hard theoretically and empirically, but for which solving techniques designed for n-Queens need minimal or no change.
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Schmidt, Sandra. "Recovering Queers: LGBTQ+ History Education and Queer Futures." In 2022 AERA Annual Meeting. Washington DC: AERA, 2022. http://dx.doi.org/10.3102/1894720.

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Harper, Glenn. "Becoming Ultra-Civic: The Completion of Queen’s Square, Sydney 1962-1978." In The 38th Annual Conference of the Society of Architectural Historians Australia and New Zealand. online: SAHANZ, 2022. http://dx.doi.org/10.55939/a4009pijuv.

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Declaring in the late 1950s that Sydney City was in much need of a car free civic square, Professor Denis Winston, Australia’s first chair in town and country planning at the University of Sydney, was echoing a commonly held view on how to reconfigure the city for a modern-day citizen. Queen’s Square, at the intersection of Macquarie Street and Hyde Park, first conceived in 1810 by Governor Lachlan Macquarie, remained incomplete until 1978 when it was developed as a pedestrian only plaza by the NSW Government Architect under a different set of urban intentions. By relocating the traffic bound statue of Queen Victoria (1888) onto the plaza and demolishing the old Supreme Court complex (1827), so that nearby St James’ Church (1824) could becoming freestanding alongside a new multi-storey Commonwealth Supreme Court building (1975), by the Sydney-based practise of McConnel Smith and Johnson, the civic and social ambition of this pedestrian space was assured. Now somewhat overlooked in the history of Sydney’s modern civic spaces, the adjustment in the design of this square during the 1960s translated the reformed urban design agenda communicated in CIAM 8, the heart of the city (1952), a post-war treatise developed and promoted by the international architect and polemicist, Josep Lluis Sert. This paper examines the completion of Queen’s Square in 1978. Along with the symbolic role of the project, that is, to provide a plaza as a social instrument in humanising the modern-day city, this project also acknowledged the city’s colonial settlement monuments beside a new law court complex; and in a curious twist in fate, involving curtailing the extent of the proposed plaza so that the colonial Supreme Court was retained, the completion of Queen’s Square became ultra – civic.
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Simankov, M. K. "NEW METHODS OF REPRODUCTION OF QUEENS OF DARK FOREST HONEY BEES APIS MELLIFERA M. L." In V International Scientific Conference CONCEPTUAL AND APPLIED ASPECTS OF INVERTEBRATE SCIENTIFIC RESEARCH AND BIOLOGICAL EDUCATION. Tomsk State University Press, 2020. http://dx.doi.org/10.17223/978-5-94621-931-0-2020-59.

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Some ethological features of сentral russian bees, as well as the difficult climatic conditions in which they are bred, lead to a decrease in the profitability of the process of obtaining infertile and fertile queens of this subspecies. The search for and use of new methods of reproduction of queens will allow you to get more of them and increase the number of bee families of central russian bees.
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Кузьмина, М. В. "WOMAN AND POWER: THE LIMITS OF THE PERMISSIBLE (FRANCE, XIV–XVth CENTURIES)." In Конференция памяти профессора С.Б. Семёнова ИССЛЕДОВАНИЯ ЗАРУБЕЖНОЙ ИСТОРИИ. Crossref, 2021. http://dx.doi.org/10.55000/mcu.2021.74.61.002.

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В статье ставится вопрос о границах допустимого участия женщины в политической жизни во Франции в XIV–XV вв. Утверждается, что только те женщины, которые происходили из знатных и богатых семей, владевших земельной собственностью, имевшие влиятельных и богатых отцов, мужей, сыновей, могли рассчитывать на политическое влияние и проявление своих политических амбиций. Однако даже соответствие вышеуказанным критериям не гарантировало женщине быть приобщенной к власти, поскольку быть во власти – дело практически невозможное для женщин средневекового общества. Особо стоит вопрос о королевах, которые только в качестве регена королевства (как это произошло с супругой Карла VI Изабеллой Баварской) получали политическую власть, т. е. сам по себе статус королевы не означал, что она самостоятельно могла осуществлять власть, не делегированную ей королем. The article raises the question of the permissible limits of the women participation in political life in France in the XIV–XVth centuries. It is argued that only those women who came from noble and wealthy families, whose fathers, husbands, sons owned large land property, could provide political influ-ence and the manifestation of their political ambitions. However, even meeting the above criteria did not guarantee a woman to be involved in power, since being in power is an almost impossible task for women in medieval society. There is a special thing to speak about queens who only as regents of the kingdom (as happened with the wife of Charles VI Isabella of Bavaria) could receive political power, i. e. queen status in itself did not mean that she could independently exercise power not delegated to her by the king.
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Schmidt, Sandra. "Queen's Liberation and Lesbian Liberation: The Queer(ing) Possibilities of Stonewall 50." In 2020 AERA Annual Meeting. Washington DC: AERA, 2020. http://dx.doi.org/10.3102/1578273.

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Mishra, G., S. Dharmaraja, and S. Kar. "Performance analysis of multi-party conferencing in IMS using vacation queues." In 2014 IEEE International Conference on Advanced Networks and Telecommuncations Systems (ANTS). IEEE, 2014. http://dx.doi.org/10.1109/ants.2014.7057259.

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Звіти організацій з теми "Ant queens"

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Hefetz, Abraham, and Gene Robinson. Hormonal and Pheromonal Regulation of Reproduction in the Bumble Bee Bombus terrestris. United States Department of Agriculture, July 1994. http://dx.doi.org/10.32747/1994.7568775.bard.

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Bombus terrestris constitute important pollinators of greenhouse crops. In Israel the species utilized is, whose colonies are reared commercially. This is a primitively social species with a particular colony development. It encompasses two social phases: a eusocial phase in which the queen dominates reproduction, and a competition phase in which workers compete with the queen for the parentage of males. These workers are distinguished by accelerated ovarian development, high production of JH, and elevated levels of dopamine in the brain. Queen-worker conflict is also manifested in overt aggression among all members of the nest. High aggression is correlated with dominance status of the bees and is also correlated with octopamine levels in the brain. After verifying that JH III is the only JH produced by the bees and validating the assay for its measurements (RCA & RIA), we used JH as an indicator of worker reproduction. Queens taken from colonies both before and after the competition phase were equally effective in inhibiting worker reproduction. Moreover, there is only a narrow window, around the competition point, in which workers may have the opportunity to initiate reproduction. Before that point they are inhibited by the dominant queen, while after that point both the queen and those workers with accelerated ovarian development exert strong inhibition on worker nest mates. Thus, "queen dominance deterioration" is not the primary cause in eliciting the queen-worker conflict. Queens convey their presence by means of a chemical signal that is extractable in organic solvent and that is normally spread on the cuticle. Total body extract and body washes, applied on dead virgin queens, were able to inhibit the release of JHin vitro in queenless workers. However, none of the prominent exocrine gland investigated mimicked this function. It is possible that the source of the putative pheromone is an unknown gland, or that it emanates from an assembly of glands. Chemical analyses of the prominent glands revealed a plethora of compounds the function of which should be further investigated. Understanding the social behavior of B. terrestris paves the way to facilitate colony manipulation and to adjust the colonies for specific pollination requirements.
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Hefetz, Abraham, and Justin O. Schmidt. Use of Bee-Borne Attractants for Pollination of Nonrewarding Flowers: Model System of Male-Sterile Tomato Flowers. United States Department of Agriculture, October 2003. http://dx.doi.org/10.32747/2003.7586462.bard.

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The use of bee natural product for enhancing pollination is especially valuable in problematic crops that are generally avoided by bees. In the present research we attempted to enhance bee visitation to Male Sterile (M-S) tomato flowers generally used in the production of hybrid seeds. These flowers that lack both pollen and nectar are unattractive to bees that learn rapidly to avoid them. The specific objects were to elucidate the chemical composition of the exocrine products of two bumble bee species the North American Bombus impatiens and the Israeli B. terrestris. Of these, to isolate and identify a bee attractant which when sprayed on M-S tomato flowers will enhance bee visitation, and to provide a procedure of the pheromone application regime. During the research we realized that our knowledge of B. impatiens is too little and we narrowed the objective to learning the basic social behavior of the bees and the pattern of foraging in a flight chamber and how it is affected by biogenic amines. Colonies of B. impatiens are characterized by a high number of workers and a relatively small number of queens. Size differences between queens and workers are pronounced and the queen seems to have full control over egg laying. Only about 9% of the workers in mature colonies had mature oocytes, and there were no signs of a "competition phase" as we know in B. terrestris. Queens and workers differ in their exocrine bouquet. Queen's Dufour's gland possesses a series of linear, saturated and unsaturated hydrocarbons whereas that of workers contains in addition a series of wax-type esters. Bees were trained to either visit or avoid artificially scented electronic flowers in a flight chamber. Since bee also learned to avoid scented non-rewarding flowers we attempted to interfere with this learning. We tested the effect of octopamine, a biogenic amine affecting bee behavior, on the choice behavior of free-flying bumblebees. Our results show that octopamine had no significant effect on the bees' equilibrium choice or on the overall rate of the behavioral change in response to the change in reward. Rather, octopamine significantly affected the time interval between the change in reward status and the initiation of behavioral change in the bee. In B. terrestris we studied the foraging pattern of the bees on tomato flowers in a semi commercial greenhouse in Yad Mordechai. Bee learned very quickly to avoid the non- rewarding M-S flowers, irrespective of their arrangement in the plot, i.e., their mixing with normal, pollen bearing flowers. However, bees seem to "forget" this information during the night since the foraging pattern repeats itself the next morning. Several exocrine products were tested as visitation enhancers. Among these, tarsal gland extracts are the most attractive. The compounds identified in the tarsal gland extract are mostly linear saturated hydrocarbons with small amounts of unsaturated ones. Application was performed every second day on leaves in selected inflorescences. Bee visitation increased significantly in the treated inflorescences as compared to the control, solvent treated. Treatment of the anthers cone was more effective than on the flower petals or the surrounding leaves. Methanol proved to be a non-flower-destructive solvent. We have shown that bumble bees (B. terrestris) can be manipulated by bee-borne attractants to visit non-rewarding flowers. We have further demonstrated that the bees learning ability can be manipulated by applying exogenously octopamine. Both methods can be additively applied in enhancing pollination of desired crops. Such manipulation will be especially useful in tomato cultivation for hybrid seed production.
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Virgin, Vicky, and Robert Warren. Mapping Key Determinants of Immigrants’ Health in Brooklyn and Queens. Center for Migration Studies, February 2021. http://dx.doi.org/10.14240/cmsrpt0221.

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Woodsworth, G. J. Annotated Bibliography of Geoscience Studies of the Queen Charlotte Islands and Queen Charlotte Basin, British Columbia. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1991. http://dx.doi.org/10.4095/131989.

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Watts, Susan, and Martin Watts. Rotary querns and millstones in South-West England. Edicions de la Universitat de Lleida, 2019. http://dx.doi.org/10.21001/rap.2019.extra-4.10.

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Fogarassy, J. A. S., and W. C. Barnes. Stratigraphy and Diagenesis of the Middle To Upper Cretaceous Queen Charlotte Group, Queen Charlotte Islands, British Columbia. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1991. http://dx.doi.org/10.4095/131975.

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Mason, J. George Mercer Dawson and the Queen Charlotte Islands. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1992. http://dx.doi.org/10.4095/298408.

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Fouliard, Jeremy, Michael Howell, and Hélène Rey. Answering the Queen: Machine Learning and Financial Crises. Cambridge, MA: National Bureau of Economic Research, December 2020. http://dx.doi.org/10.3386/w28302.

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Higgs, R. Cretaceous and Tertiary sedimentology, Queen Charlotte Islands, British Columbia. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1988. http://dx.doi.org/10.4095/122718.

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Bustin, R. M., D. Vellutini, and F. Goodarzi. Petroleum Source Rock Characteristics of the Tertiary Skonun Formation, Queen Charlotte Islands, Hecate Strait and Queen Charlotte Sound, British Columbia. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1990. http://dx.doi.org/10.4095/131442.

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