Temperature variations affect postcopulatory but not precopulatory sexual selection in the cigarette beetle

Suzaki, Yû; Kodera, Satoko; Fujiwara, Haruhi; Sasaki, Rikiya; Okada, K.; Katsuki, Masako

doi:10.1016/j.anbehav.2018.08.010

Cited by 16 publications

(14 citation statements)

References 60 publications

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“…Our results also showed that mate fidelity rate exhibits no relationship with temperature variation between years, although studies suggest that annual fluctuations in temperature affect mating decisions in insect, reptile and mammalian species 68 – 70 . We argue that temperature variation is probably a crude proxy of ambient environment fluctuation, since fluctuations in other abiotic environmental factors, for example precipitation and habitat quality, may also influence mate fidelity 14 , 21 – 23 .…”

Section: Discussionsupporting

confidence: 45%

Successful breeding predicts divorce in plovers

Halimubieke

Kupán

Valdebenito

et al. 2020

Sci Rep

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When individuals breed more than once, parents are faced with the choice of whether to re-mate with their old partner or divorce and select a new mate. Evolutionary theory predicts that, following successful reproduction with a given partner, that partner should be retained for future reproduction. However, recent work in a polygamous bird, has instead indicated that successful parents divorced more often than failed breeders (Halimubieke et al. in Ecol Evol 9:10734–10745, 2019), because one parent can benefit by mating with a new partner and reproducing shortly after divorce. Here we investigate whether successful breeding predicts divorce using data from 14 well-monitored populations of plovers (Charadrius spp.). We show that successful nesting leads to divorce, whereas nest failure leads to retention of the mate for follow-up breeding. Plovers that divorced their partners and simultaneously deserted their broods produced more offspring within a season than parents that retained their mate. Our work provides a counterpoint to theoretical expectations that divorce is triggered by low reproductive success, and supports adaptive explanations of divorce as a strategy to improve individual reproductive success. In addition, we show that temperature may modulate these costs and benefits, and contribute to dynamic variation in patterns of divorce across plover breeding systems.

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Section: Discussionsupporting

confidence: 45%

Successful breeding predicts divorce in plovers

Halimubieke

Kupán

Valdebenito

et al. 2020

Sci Rep

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“…In the cigarette beetle (Lasioderma serricorne), thermal conditions affect post-copulatory, but not pre-copulatory, traits. This is bound to change the relative weight of (and covariance between) the two episodes of sexual selection which, in turn, will determine the nature and total opportunity for sexual selection (Suzaki et al, 2018). While tantalizing results, studies so far have provided preliminary and mostly indirect support for the idea that temperature can be fundamental in modulating sexual selection across taxa.…”

Section: Introductionmentioning

confidence: 99%

Temperature as a modulator of sexual selection

et al. 2020

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A central question in ecology and evolution is to understand why sexual selection varies so much in strength across taxa; it has long been known that ecological factors are crucial to this. Temperature is a particularly salient abiotic ecological factor that modulates a wide range of physiological, morphological and behavioural traits, impacting individuals and populations at a global taxonomic scale. Furthermore, temperature exhibits substantial temporal variation (e.g. daily, seasonally and inter‐seasonally), and hence for most species in the wild sexual selection will regularly unfold in a dynamic thermal environment. Unfortunately, studies have so far almost completely neglected the role of temperature as a modulator of sexual selection. Here, we outline the main pathways through which temperature can affect the intensity and form (i.e. mechanisms) of sexual selection, via: (i) direct effects on secondary sexual traits and preferences (i.e. trait variance, opportunity for selection and trait–fitness covariance), and (ii) indirect effects on key mating parameters, sex‐specific reproductive costs/benefits, trade‐offs, demography and correlated abiotic factors. Building upon this framework, we show that, by focusing exclusively on the first‐order effects that environmental temperature has on traits linked with individual fitness and population viability, current global warming studies may be ignoring eco‐evolutionary feedbacks mediated by sexual selection. Finally, we tested the general prediction that temperature modulates sexual selection by conducting a meta‐analysis of available studies experimentally manipulating temperature and reporting effects on the variance of male/female reproductive success and/or traits under sexual selection. Our results show a clear association between temperature and sexual selection measures in both sexes. In short, we suggest that studying the feedback between temperature and sexual selection processes may be vital to developing a better understanding of variation in the strength of sexual selection in nature, and its consequences for population viability in response to environmental change (e.g. global warming).

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“…Another possibility is that our results are driven by changes in multiple mating rate or a female's intermating interval. Female multiple mating rates increase with temperature in many insects, including Gryllidae crickets (Kindle et al., 2009 ), Tribolium beetles (Grazer & Martin, 2012 ), and Lasioderma cigarette beetles (Suzaki et al., 2018 ). All of these potential mechanisms by which temperature impacts egg production with less preferred mates could be explored in future work, particularly by experiments independently manipulating late larval temperature or pupal temperature.…”

Section: Discussionmentioning

confidence: 99%

“…and Lasioderma cigarette beetles (Suzaki et al, 2018). All of these potential mechanisms by which temperature impacts egg production with less preferred mates could be explored in future work, particularly by experiments independently manipulating late larval temperature or pupal temperature.…”

Section: Ta B L E 3 Analysis Of Latency To Produce Eggsmentioning

confidence: 99%

“…Temperature alters the degree of sexual conflict in Drosophila melanogaster (Garci‐Roa et al., 2019 ). In Lasioderma cigarette beetles, comparison of effects of temperature on pre‐ and postcopulatory sexual selection found that temperature primarily altered postcopulatory sexual selection, increasing first male paternity (Suzaki et al., 2018 ). Cryptic female choice and investment in more attractive mates compared with typically less attractive mates may also be altered by temperature; however, few studies have investigated this.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Elevated temperature increases reproductive investment in less preferred mates in the invasive European corn borer moth

Enos

Kozak

2021

Ecology and Evolution

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Rapidly changing environments may weaken sexual selection and lead to indiscriminate mating by interfering with the reception of mating signals or by increasing the costs associated with mate choice. If temperature alters sexual selection, it may impact population response and adaptation to climate change. Here, we examine how differences in temperature of the mating environment influence reproductive investment in the European corn borer moth (Ostrinia nubilalis). Mate preference in this species is known to be related to pheromone usage, with assortative mating occurring between genetically distinct E and Z strains that differ in the composition of female and male pheromones. We compared egg production within and between corn borer lines derived from four different populations that vary in pheromone composition and other traits. Pairs of adults were placed in a mating environment that matched the pupal environment (ambient temperature) or at elevated temperature (5°C above the pupal environment). At ambient temperature, we found that within‐line pairs produced eggs sooner and produced more egg clusters than between‐line pairs. However, at elevated temperature, between‐line pairs produced the same number of egg clusters as within‐line pairs. These results suggest that elevated temperature increased investment in matings with typically less preferred, between‐line mates. This increased investment could result in changes in gene flow among corn borer populations in warming environments.

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Temperature variations affect postcopulatory but not precopulatory sexual selection in the cigarette beetle

Cited by 16 publications

References 60 publications

Successful breeding predicts divorce in plovers

Successful breeding predicts divorce in plovers

Temperature as a modulator of sexual selection

Elevated temperature increases reproductive investment in less preferred mates in the invasive European corn borer moth

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