Measuring same-sex sexual behaviour: the influence of the male social environment

Bailey, Nathan W.; Hoskins, Jessica L.; Green, Jade; Ritchie, Michael G.

doi:10.1016/j.anbehav.2013.04.016

Cited by 20 publications

(20 citation statements)

References 56 publications

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“…These behaviours are unambiguously expressed during the context of opposite-sex courtship and copulation interactions, whereas orienting, following and tapping are known to function in non-sexual contexts such as aggression [34,35]. Detailed descriptions and links to videos of exemplar behaviours can be found in Bailey et al [24].…”

Section: Materials and Methods (A) Origin And Maintenance Of Fly Linesmentioning

confidence: 99%

“…Hmr 2 flies originated from the Bloomington Stock Center (FlyBase ID: FBal0144848) [30]. The yellow-body mutation could conceivably exert pleiotropic effects on behavioural traits [31], although prior work suggests this is not likely to have a strong effect in our trials [24]. Furthermore, we avoided confounding our experimental design by always pairing focal DGRP flies with the Hmr 2 strain.…”

Section: Materials and Methods (A) Origin And Maintenance Of Fly Linesmentioning

confidence: 99%

“…Female sexual behaviour in D. melanogaster is generally assessed in the context of mate rejection, and while females will partly determine the outcome of any male mating attempt, quantifying female courtship is problematic owing to the lack of observable active courtship elements such as can be readily scored in males [33]. We used the behavioural assay described by Bailey et al [24] to quantify male SSB. All DGRP lines were screened against the common strain to enable comparison among the inbred lines.…”

Section: Materials and Methods (A) Origin And Maintenance Of Fly Linesmentioning

confidence: 99%

“…We used the Drosophila Genetic Reference Panel (DGRP) [22], which consists of inbred D. melanogaster lines originally derived from the wild. Male-male courtship in D. melanogaster is well documented, it occurs in wild-type flies at low but persistent levels, and SSB phenotyping protocols have been developed and validated [23,24]. SSB in insects is often thought to be caused by poor sex recognition [6,25,26].…”

Section: Introductionmentioning

confidence: 99%

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A test of genetic models for the evolutionary maintenance of same-sex sexual behaviour

2015

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The evolutionary maintenance of same-sex sexual behaviour (SSB) has received increasing attention because it is perceived to be an evolutionary paradox. The genetic basis of SSB is almost wholly unknown in non-human animals, though this is key to understanding its persistence. Recent theoretical work has yielded broadly applicable predictions centred on two genetic models for SSB: overdominance and sexual antagonism. Using Drosophila melanogaster, we assayed natural genetic variation for male SSB and empirically tested predictions about the mode of inheritance and fitness consequences of alleles influencing its expression. We screened 50 inbred lines derived from a wild population for male-male courtship and copulation behaviour, and examined crosses between the lines for evidence of overdominance and antagonistic fecundity selection. Consistent variation among lines revealed heritable genetic variation for SSB, but the nature of the genetic variation was complex. Phenotypic and fitness variation was consistent with expectations under overdominance, although predictions of the sexual antagonism model were also supported. We found an unexpected and strong paternal effect on the expression of SSB, suggesting possible Y-linkage of the trait. Our results inform evolutionary genetic mechanisms that might maintain low but persistently observed levels of male SSB in D. melanogaster, but highlight a need for broader taxonomic representation in studies of its evolutionary causes.

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Section: Materials and Methods (A) Origin And Maintenance Of Fly Linesmentioning

confidence: 99%

Section: Materials and Methods (A) Origin And Maintenance Of Fly Linesmentioning

confidence: 99%

Section: Materials and Methods (A) Origin And Maintenance Of Fly Linesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A test of genetic models for the evolutionary maintenance of same-sex sexual behaviour

2015

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“…Sperm production and mating both pose non-trivial costs to males (Simmons 2001) and numerous studies have illustrated the interaction between social environment and male sexual behaviour both in insects Wigby et al 2009;Bailey 2011;Billeter et al 2012;Bailey et al 2013;Han and Brooks 2013) and vertebrates (Firman et al 2013; recently reviewed by Kelly and Jennions 2011). While males may employ a variety of strategies in response to sperm competition (including, but not restricted to: changes in sperm number (Wedell et al 2002), ejaculation size (Gage 1991;Garcia-Gonzalez and Gomendio 2004); seminal protein composition (Wigby et al 2009;Perry et al 2013) and sperm morphology (Gage 1994) behavioural changes have the benefit of being ''cheaper'' and may allow for more rapid responses to fluctuations in local environment (Bretman et al 2011).…”

Section: Introductionmentioning

confidence: 99%

Mate-guarding in a promiscuous insect: species discrimination influences context-dependent behaviour

Burdfield‐Steel

Shuker

2014

Evol Ecol

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Mating strategy is often informed by social context. However, information on social environment may be sensitive to interference by nearby heterospecifics, a process known as reproductive interference (RI). When heterospecific individuals are present in the environment, failures in species discrimination can lead to sub-optimal mating behaviours, such as misplaced courtship, misplaced rivalry behaviours, or heterospecific copulation attempts. All aspects of mating behaviour that are influenced by social context may be prone to RI, including copulatory behaviours associated with mate-guarding in the presence of possible competitors. Here we investigate the effect of three heterospecifics on the mate-guarding behaviour of male Lygaeus equestris seed bugs. We find that, despite previously reported heterospecific mating harassment amongst these species of lygaeid bug, male L. equestris are able to effectively distinguish rival conspecific males from heterospecifics. Thus, heterospecific mating attempts in this group may reflect selection on males to mate opportunistically, rather than a failure of species discrimination.

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Intrasexual aggression reduces mating success in field crickets

Tinsley,

Bailey

2023

Ecology and Evolution

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Aggressive behaviour is thought to have significant consequences for fitness, sexual selection and the evolution of social interactions, but studies measuring its expression across successive encounters—both intra‐ and intersexual—are limited. We used the field cricket Teleogryllus oceanicus to evaluate factors affecting repeatability of male aggression and its association with mating success. We quantified focal male aggression expressed towards partners and received from partners in three successive, paired trials, each involving a different male partner. We then measured a proxy of focal male fitness in mating trials with females. The likelihood and extent of aggressive behaviour varied across trials, but repeatability was negligible, and we found no evidence that patterns of focal aggression resulted from interacting partner identity or prior experience. Males who consistently experienced aggression in previous trials showed decreased male mating ‘efficiency’—determined by the number of females a male encountered before successfully mating, but the effect was weak and we found no other evidence that intrasexual aggression was associated with later mating success. During mating trials, however, we observed unexpected male aggression towards females, and this was associated with markedly decreased male mating efficiency and success. Our findings suggest that nonadaptive aggressive spillover in intersexual mating contexts could be an important but underappreciated factor influencing the evolution of intrasexual aggression.

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Measuring same-sex sexual behaviour: the influence of the male social environment

Cited by 20 publications

References 56 publications

A test of genetic models for the evolutionary maintenance of same-sex sexual behaviour

A test of genetic models for the evolutionary maintenance of same-sex sexual behaviour

Mate-guarding in a promiscuous insect: species discrimination influences context-dependent behaviour

Intrasexual aggression reduces mating success in field crickets

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