Mark Jun M. Alcantara, Alyssa M. Fontanilla, Louise A. Ashton, Chris J. Burwell, Min Cao, Hongxiang Han, Hua Huang, Roger L. Kitching, Alexey Reshchikov, Xianhui Shen, Yong Tang, Yi Wan, Zhenghui Xu, Akihiro Nakamura
{"title":"昆虫与贝格曼法则:一项跨类群大规模研究揭示了不同昆虫类群在海拔和纬度上的特异体型模式","authors":"Mark Jun M. Alcantara, Alyssa M. Fontanilla, Louise A. Ashton, Chris J. Burwell, Min Cao, Hongxiang Han, Hua Huang, Roger L. Kitching, Alexey Reshchikov, Xianhui Shen, Yong Tang, Yi Wan, Zhenghui Xu, Akihiro Nakamura","doi":"10.1127/entomologia/2024/2246","DOIUrl":null,"url":null,"abstract":"Bergmann’s rule posits that an organism’s body size or mass increases with decreasing temperature. While generally established in homeotherms, Bergmann’s rule has been largely inconsistent in insects due to limited taxonomic and spatial coverage and variable sampling methods applied to the same taxonomic group. To rectify these shortfalls in tests of Bergmann’s rule in insects, we sampled ants, ichneumonid wasps, carabid beetles, and geometrid moths simultaneously from three locations (representing tropical, subtropical, and subalpine altitudinal gradients) across Yunnan, Southwest China, where temperature and productivity generally decline with latitude. We sought generalities in Bergmann’s rule in insects by investigating whether community-level altitudinal body size patterns within each location were dependent on geographic locations, microhabitats (forest canopy vs understory), focal taxa (insect families), and taxonomic scale (subfamilies within individual families). We found that altitudinal clines, when present, varied across geographic locations; carabids and geometrids showed positive clines in the tropical altitudinal gradient and negative clines in the subtropical and subalpine altitudinal gradients. Understory and canopy geometrids showed similar patterns while different subfamilies showed variable patterns. Carabid and geometrid body size patterns complied with the combined resource allocation model, which posits that the body size varies with resource availability along altitudinal and latitudinal ranges. Overall, our study revealed idiosyncratic altitudinal and latitudinal body size patterns for different insect taxa. Our study also illustrates the value of fully standardized, large-scale studies in revealing generalities (or the lack thereof) in Bergmann’s rule in insects and we suggest incorporating the natural history and biology of target groups to better explain patterns of body size variation.","PeriodicalId":11728,"journal":{"name":"Entomologia Generalis","volume":null,"pages":null},"PeriodicalIF":5.6000,"publicationDate":"2024-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Bugs and Bergmann’s rule: a cross-taxon large-scale study reveals idiosyncratic altitudinal and latitudinal body size patterns for different insect taxa\",\"authors\":\"Mark Jun M. Alcantara, Alyssa M. Fontanilla, Louise A. Ashton, Chris J. Burwell, Min Cao, Hongxiang Han, Hua Huang, Roger L. 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We sought generalities in Bergmann’s rule in insects by investigating whether community-level altitudinal body size patterns within each location were dependent on geographic locations, microhabitats (forest canopy vs understory), focal taxa (insect families), and taxonomic scale (subfamilies within individual families). We found that altitudinal clines, when present, varied across geographic locations; carabids and geometrids showed positive clines in the tropical altitudinal gradient and negative clines in the subtropical and subalpine altitudinal gradients. Understory and canopy geometrids showed similar patterns while different subfamilies showed variable patterns. Carabid and geometrid body size patterns complied with the combined resource allocation model, which posits that the body size varies with resource availability along altitudinal and latitudinal ranges. Overall, our study revealed idiosyncratic altitudinal and latitudinal body size patterns for different insect taxa. 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Bugs and Bergmann’s rule: a cross-taxon large-scale study reveals idiosyncratic altitudinal and latitudinal body size patterns for different insect taxa
Bergmann’s rule posits that an organism’s body size or mass increases with decreasing temperature. While generally established in homeotherms, Bergmann’s rule has been largely inconsistent in insects due to limited taxonomic and spatial coverage and variable sampling methods applied to the same taxonomic group. To rectify these shortfalls in tests of Bergmann’s rule in insects, we sampled ants, ichneumonid wasps, carabid beetles, and geometrid moths simultaneously from three locations (representing tropical, subtropical, and subalpine altitudinal gradients) across Yunnan, Southwest China, where temperature and productivity generally decline with latitude. We sought generalities in Bergmann’s rule in insects by investigating whether community-level altitudinal body size patterns within each location were dependent on geographic locations, microhabitats (forest canopy vs understory), focal taxa (insect families), and taxonomic scale (subfamilies within individual families). We found that altitudinal clines, when present, varied across geographic locations; carabids and geometrids showed positive clines in the tropical altitudinal gradient and negative clines in the subtropical and subalpine altitudinal gradients. Understory and canopy geometrids showed similar patterns while different subfamilies showed variable patterns. Carabid and geometrid body size patterns complied with the combined resource allocation model, which posits that the body size varies with resource availability along altitudinal and latitudinal ranges. Overall, our study revealed idiosyncratic altitudinal and latitudinal body size patterns for different insect taxa. Our study also illustrates the value of fully standardized, large-scale studies in revealing generalities (or the lack thereof) in Bergmann’s rule in insects and we suggest incorporating the natural history and biology of target groups to better explain patterns of body size variation.
期刊介绍:
Its scope covers all aspects of basic and applied research dealing with insects and more broadly with arthropods inhabiting wild, agricultural and/or urban habitats. The journal also considers research integrating various disciplines and issues within the broad field of entomology and ecology.
Entomologia Generalis publishes high quality research articles on advances in knowledge on the ecology and biology of arthropods, as well as on their importance for key ecosystems services, e.g. as biological control and pollination. The journal devotes special attention to contributions providing significant advances (i) on the fundamental knowledge and on sustainable control strategies of arthropod pests (including of stored products) and vectors of diseases, (ii) on the biology and ecology of beneficial arthropods, (iii) on the spread and impact of invasive pests, and (iv) on potential side effects of pest management methods.
Entomologia Generalis welcomes review articles on significant developments in the field of entomology. These are usually invited by the editorial board, but proposals may be sent to the Editor-in-Chief for preliminary assessment by the editorial board before formal submission to the journal. The journal also considers comments on papers published in Entomologia Generalis, as well as short notes on topics that are of broader interest.