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Rise of the spiny ants: diversification, ecology and function of extreme traits in the hyperdiverse genus Pheidole (Hymenoptera: Formicidae)
https://oist.repo.nii.ac.jp/records/451
https://oist.repo.nii.ac.jp/records/4510d505418-1c86-4131-8b79-4229a8d1e337
名前 / ファイル | ライセンス | アクション |
---|---|---|
blx081 (5.0 MB)
|
Creative Commons Attribution-NonCommercial-NoDerivatives License
(http://creativecommons.org/Licenses/by-nc-nd/ 4.0/), |
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-07-25 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Rise of the spiny ants: diversification, ecology and function of extreme traits in the hyperdiverse genus Pheidole (Hymenoptera: Formicidae) | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者(英) |
Sarnat, Eli M
× Sarnat, Eli M× Friedman, Nicholas R× Fischer, Georg× Lecroq-Bennet, Beatrice× Economo, Evan P |
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書誌情報 |
en : Biological Journal of the Linnean Society 巻 122, 号 3, p. 514-538, 発行日 2017-08-03 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Study of extreme phenotypic traits and novel structures provides insights into forces mediating evolution and diversification. Sexual selection is often implicated as the evolutionary driver of trait exaggeration, while examples invoking natural selection are scarce. Heretofore overlooked examples include outlandishly exaggerated spines produced by the non-reproductive castes of various ant lineages. Ant spines are conjectured to be defensive weapons, but factors shaping their evolution are poorly understood. Here we assess the evolution, ecology and biomechanics of spine exaggeration in the hyperdiverse genus Pheidole. We suggest ant spines are novel structures among Hymenoptera. We ask how many times spinescence evolved in Pheidole, the extent to which correlations between spinescence and other morphological traits can inform our understanding of spine function and whether spinescence is associated with evolution into high-elevation habitats. We address these questions by mapping spinescence onto a 145-species phylogeny. We determined that spinescence evolved independently at least seven times in Pheidole and that all six extant spinescent lineages are restricted to the Asia-Pacific region. Our results support hypotheses proposing that elongated dorsal spines serve as defence against vertebrate predation and invertebrate attack and that task division is especially pronounced within the worker caste of spinescent species. | |||||
出版者 | ||||||
出版者 | Oxford University Press | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0024-4066 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1095-8312 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1093/biolinnean/blx081 | |||||
権利 | ||||||
権利情報 | © 2017 The Linnean Society of London. | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://academic.oup.com/biolinnean/article/122/3/514/4061436 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |