Diapause research in insects: historical review and recent work perspectives
2019
Tougeron, Kévin | University of Wisconsin-La Crosse (UW-La Crosse) | Ecosystèmes, biodiversité, évolution [Rennes] (ECOBIO) ; Université de Rennes (UR)-Institut Ecologie et Environnement - CNRS Ecologie et Environnement (INEE-CNRS) ; Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Observatoire des sciences de l'environnement de Rennes (OSERen) ; Université de Rennes (UR)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Rennes 2 (UR2)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Rennes 2 (UR2)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)
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Show more [+] Less [-]English. All organisms on Earth have evolved biological rhythms to face alternation of periods of favorable and unfavorable environmental conditions, at various temporal scales. Diapause is a state of seasonal dormancy adapted to recurring periods of adverse environmental conditions and triggered by biotic and abiotic factors that precede the arrival of these conditions. Several monographs already review the mechanisms of diapause expression in arthropods, from initiation to termination phases. Rather than adding another review to the literature on this topic, this paper primarily aims to link past concepts on seasonal strategies with new perspective on diapause research in arthropods. By focusing on insects, I examine the legacy of diapause history research in terrestrial arthropods since antiquity but mostly over the past 3 centuries, its contribution to the understanding of insect seasonal ecology, and I explore some of the reasons why it is still relevant to study diapause. I highlight some of the topical issues on which current work focuses to better understand and integrate arthropod diapause with their ecology, especially in the climate change context and for the provision of ecosystem services.
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