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Heritability of male mandible length in the stag beetle Cyclommatus metallifer

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Title: Heritability of male mandible length in the stag beetle Cyclommatus metallifer
Authors: Gotoh, Hiroki Browse this author
Fukaya, Keiichi Browse this author
Miura, Toru Browse this author →KAKEN DB
Keywords: exaggerated morphology
Lucanidae
static allometry
weapon trait
Issue Date: Oct-2012
Publisher: Blackwell Publishing
Journal Title: Entomological Science
Volume: 15
Issue: 4
Start Page: 430
End Page: 433
Publisher DOI: 10.1111/j.1479-8298.2012.00527.x
Abstract: Numerous coleopteran species express male-specific "weapon traits" that often show size variations among males, even within a single population. Many empirical studies have demonstrated that environmental conditions during development affect absolute weapon size. However, relatively few studies in horned beetles support the hypothesis that the relationship between weapon size and body size, also referred to as a "scaling relationship" or "static allometry", is largely determined by genetic factors. In this study, the heritability of absolute mandible length and static allometry between mandible length and body size were estimated in the stag beetle Cyclommatus metallifer. While no significant heritable variation was observed in absolute mandible length, high heritability (h2 = 0.57 ± 0.25) was detected in the static allometry between mandible length and body size. This is the first report on the genetic effect on male mandible size in Lucanidae, suggesting that absolute mandible size is largely determined by environmental conditions while the static allometry between weapon size and body size is primarily determined by genetic factors.
Rights: The definitive version is available at wileyonlinelibrary.com
Type: article (author version)
URI: http://hdl.handle.net/2115/53417
Appears in Collections:環境科学院・地球環境科学研究院 (Graduate School of Environmental Science / Faculty of Environmental Earth Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 三浦 徹

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