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Evolution of butterfly seasonal plasticity driven by climate change varies across life stages
Stockholm University, Faculty of Science, Department of Zoology. University of Bremen, Germany.ORCID iD: 0000-0002-0388-1187
Stockholm University, Faculty of Science, Department of Zoology.ORCID iD: 0000-0003-4195-8920
Stockholm University, Faculty of Science, Department of Zoology.ORCID iD: 0000-0003-4719-487x
Stockholm University, Faculty of Science, Department of Zoology.ORCID iD: 0000-0002-4560-6271
2023 (English)In: Ecology Letters, ISSN 1461-023X, E-ISSN 1461-0248, Vol. 26, no 9, p. 1548-1558Article in journal (Refereed) Published
Abstract [en]

Photoperiod is a common cue for seasonal plasticity and phenology, but climate change can create cue-environment mismatches for organisms that rely on it. Evolution could potentially correct these mismatches, but phenology often depends on multiple plastic decisions made during different life stages and seasons that may evolve separately. For example, Pararge aegeria (Speckled wood butterfly) has photoperiod-cued seasonal life history plasticity in two different life stages: larval development time and pupal diapause. We tested for climate change-associated evolution of this plasticity by replicating common garden experiments conducted on two Swedish populations 30 years ago. We found evidence for evolutionary change in the contemporary larval reaction norm-although these changes differed between populations-but no evidence for evolution of the pupal reaction norm. This variation in evolution across life stages demonstrates the need to consider how climate change affects the whole life cycle to understand its impacts on phenology.

Place, publisher, year, edition, pages
2023. Vol. 26, no 9, p. 1548-1558
Keywords [en]
climate change, contemporary evolution, diapause, life history evolution, Pararge aegeria, photoperiod, seasonal plasticity
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:su:diva-221332DOI: 10.1111/ele.14280ISI: 001192133100005PubMedID: 37366181Scopus ID: 2-s2.0-85162939481OAI: oai:DiVA.org:su-221332DiVA, id: diva2:1798516
Available from: 2023-09-19 Created: 2023-09-19 Last updated: 2024-04-10Bibliographically approved

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Nielsen, MatthewNylin, SörenWiklund, ChristerGotthard, Carl

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