University of Oulu

Kozlov, M. V., Oudendijk, Z., Forsman, A., Lanta, V., Barclay, M. V. L., Gusarov, V. I., Gustafsson, B., Huang, Z., Kruglova, O. Y., Marusik, Y. M., Mikhailov, Y. E., Mutanen, M., Schneider, A., Sekerka, L., Sergeev, M. E., Zverev, V., & Zvereva, E. L. (2022). Climate shapes the spatiotemporal variation in color morph diversity and composition across the distribution range of Chrysomela lapponica leaf beetle. Insect Science, 29(3), 942–955.

Climate shapes the spatiotemporal variation in color morph diversity and composition across the distribution range of Chrysomela lapponica leaf beetle

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Author: Kozlov, Mikhail V.1; Oudendijk, Zowi1,2; Forsman, Anders3;
Organizations: 1Department of Biology, University of Turku, Turku, Finland
2Department of Animal Ecology and Physiology, Radboud University, Nijmegen, The Netherlands
3Department of Biology and Environmental Science, Linnaeus University, Kalmar, Sweden
4Institute of Botany, The Czech Academy of Sciences, Dukelská, Třeboň, Czech Republic
5Department of Life Sciences, Natural History Museum, London, United Kingdom
6Natural History Museum, University of Oslo, Oslo, Norway
7Departmant of Zoology, Swedish Museum of Natural History, Stockholm, Sweden
8Insititute of Zoology, Chinese Academy of Sciences, Beijing, China
9Faculty of Biology, Belarusian State University, Minsk, Belarus
10Department of Biocenology, Institute for Biological Problems of the North, Far East Branch of the Russian Academy of Sciences, Magadan, Russia
11Department of Zoology & Entomology, University of the Free State, Bloemfontein, South Africa
12Department of Ecology & Nature Management, Ural State Forest Engineering University, Yekaterinburg, Russia
13Ecology and Genetics Research Unit, University of Oulu, Oulu, Finland
14Department of Terrestrial Zoology, Senckenberg Research Institute and Natural History Museum, Frankfurt am Main, Germany
15Department of Entomology, National Museum, Prague 9, Cirkusová, Czech Republic
16Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far East Branch of the Russian Academy of Sciences, Vladivostok, Russia
Format: article
Version: published version
Access: open
Online Access: PDF Full Text (PDF, 1.6 MB)
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Language: English
Published: John Wiley & Sons, 2022
Publish Date: 2022-11-03


Color polymorphism offers rich opportunities for studying the eco-evolutionary mechanisms that drive the adaptations of local populations to heterogeneous and changing environments. We explored the color morph diversity and composition in a Chrysomela lapponica leaf beetle across its entire distribution range to test the hypothesis that environmental and climatic variables shape spatiotemporal variation in the phenotypic structure of a polymorphic species. We obtained information on 13 617 specimens of this beetle from museums, private collections, and websites. These specimens (collected from 1830–2020) originated from 959 localities spanning 33° latitude, 178° longitude, and 4200 m altitude. We classified the beetles into five color morphs and searched for environmental factors that could explain the variation in the level of polymorphism (quantified by the Shannon diversity index) and in the relative frequencies of individual color morphs. The highest level of polymorphism was found at high latitudes and altitudes. The color morphs differed in their climatic requirements; composition of colour morphs was independent of the geographic distance that separated populations but changed with collection year, longitude, mean July temperature and between-year temperature fluctuations. The proportion of melanic beetles, in line with the thermal melanism hypothesis, increased with increasing latitude and altitude and decreased with increasing climate seasonality. Melanic morph frequencies also declined during the past century, but only at high latitudes and altitudes where recent climate warming was especially strong. The observed patterns suggest that color polymorphism is especially advantageous for populations inhabiting unpredictable environments, presumably due to the different climatic requirements of coexisting color morphs.

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Series: Insect science
ISSN: 1672-9609
ISSN-E: 1744-7917
ISSN-L: 1672-9609
Volume: 29
Issue: 3
Pages: 942 - 955
DOI: 10.1111/1744-7917.12966
Type of Publication: A1 Journal article – refereed
Field of Science: 1181 Ecology, evolutionary biology
Funding: Collection of the substantial part of the data and the completion of the study were supported by the Academy of Finland (projects 122133, 122144, 122180, 127047, 203156, 208016, 214653, 268124, 276671, 311929, and 316182). L.S. was supported by the Ministry of Culture of the Czech Republic (DKRVO 2019–2023/5.I.b, National Museum, 00023272). V.L. was supported by the Czech Academy of Sciences (RVO 679859939). Z.O. was supported by the Erasmus+ programme of the European Union.
Dataset Reference: The data supporting the results are included in this article as Supporting Information Data S1 and Data S2.
Copyright information: © 2021 The Authors. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.