Comparative reproductive dormancy differentiation in European black scavenger flies (Diptera: Sepsidae)

Zeender, Valérian; Roy, Jeannine; Wegmann, Alexandra; Schäfer, Martin A.; Gourgoulianni, Natalia; Blanckenhorn, Wolf U.; Rohner, Patrick T.

doi:10.1007/s00442-019-04378-0

Cited by 24 publications

(1 citation statement)

References 41 publications

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“…In these species, adaptive adjustments to wing shape may thus also be tied to photoperiod cues and not just rearing temperature (as in many other species, e.g. Zeender et al, 2019). The shorter time available for growth and development could also affect wing shape independently of a temperature effect, since size at maturity can scale allometrically with wing shape (Outomuro et al, 2013(Outomuro et al, , 2021.…”

Section: Introductionmentioning

confidence: 99%

Mixed support for an alignment between phenotypic plasticity and genetic differentiation in damselfly wing shape

Johansson

Berger

Outomuro

et al. 2022

J of Evolutionary Biology

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The relationship between genetic differentiation and phenotypic plasticity can provide information on whether plasticity generally facilitates or hinders adaptation to environmental change. Here, we studied wing shape variation in a damselfly (Lestes sponsa) across a latitudinal gradient in Europe that differed in time constraints mediated by photoperiod and temperature. We reared damselflies from northern and southern populations in the laboratory using a reciprocal transplant experiment that simulated time-constrained (i.e. northern) and unconstrained (southern) photoperiods and temperatures. After emergence, adult wing shape was analysed using geometric morphometrics. Wings from individuals in the northern and southern populations differed significantly in shape when animals were reared in their respective native environment. Comparing wing shape across environments, we found evidence for phenotypic plasticity in wing shape, and this response differed across populations (i.e. G × E interactions). This interaction was driven by a stronger plastic response by individuals from the northern population and differences in the direction of plastic wing shape changes among populations. The alignment between genetic and plastic responses depended on the specific combination of population and rearing environment. For example, there was an alignment between plasticity and genetic differentiation under time-constrained, but not under non-time-constrained conditions for forewings. We thus find mixed support for the hypothesis that environmental plasticity and genetic population differentiation are aligned. Furthermore, although our laboratory treatments mimicked the natural climatic conditions at northern and southern latitudes, the effects of population differences on wing shape were two to four times stronger than plastic effects. We discuss our results in terms of time constraints and the possibility that natural and sexual selection is acting differently on fore-and hindwings.

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Section: Introductionmentioning

confidence: 99%

Mixed support for an alignment between phenotypic plasticity and genetic differentiation in damselfly wing shape

Johansson

Berger

Outomuro

et al. 2022

J of Evolutionary Biology

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Comprehensive thermal performance curves for yellow dung fly life history traits and the temperature-size-rule

Blanckenhorn

Berger

Rohner

et al. 2021

Journal of Thermal Biology

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Insect Diapause

Denlinger

2022

101

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Our highly seasonal world restricts insect activity to brief portions of the year. This feature necessitates a sophisticated interpretation of seasonal changes and enactment of mechanisms for bringing development to a halt and then reinitiating it when the inimical season is past. The dormant state of diapause serves to bridge the unfavourable seasons, and its timing provides a powerful mechanism for synchronizing insect development. This book explores how seasonal signals are monitored and used by insects to enact specific molecular pathways that generate the diapause phenotype. The broad perspective offered here scales from the ecological to the molecular and thus provides a comprehensive view of this exciting and vibrant research field, offering insights on topics ranging from pest management, evolution, speciation, climate change and disease transmission, to human health, as well as analogies with other forms of invertebrate dormancy and mammalian hibernation.

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Comparative reproductive dormancy differentiation in European black scavenger flies (Diptera: Sepsidae)

Cited by 24 publications

References 41 publications

Mixed support for an alignment between phenotypic plasticity and genetic differentiation in damselfly wing shape

Mixed support for an alignment between phenotypic plasticity and genetic differentiation in damselfly wing shape

Comprehensive thermal performance curves for yellow dung fly life history traits and the temperature-size-rule

Insect Diapause

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