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Mating behavior and genital damage during copulation in the leaf beetle Lema coronata (Chrysomelidae: Criocerinae)

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Title: Mating behavior and genital damage during copulation in the leaf beetle Lema coronata (Chrysomelidae: Criocerinae)
Authors: Matsumura, Yoko Browse this author
Akimoto, Shin-ichi Browse this author →KAKEN DB
Keywords: Coleoptera
elongated genitalia
morphology
Issue Date: Jun-2009
Publisher: Blackwell Publishing
Journal Title: Entomological Science
Volume: 12
Issue: 2
Start Page: 215
End Page: 217
Publisher DOI: 10.1111/j.1479-8298.2009.00315.x
Abstract: The criocerine leaf beetle Lema coronata Baly has extremely long genitalia that reach more than twice the body length in both sexes. We observed mating behavior of this species in the laboratory and inspected the male genital morphology using a scanning electron microscope. The males did not perform pre-copulatory courtship and post-copulatory guarding of the mates, and copulation lasted only for about 30 min. The surface of male genitalia is smooth without any special structures at the tip. A fragment of broken male genitalia was detected in the spermathecal duct of one female. We discuss the adaptive significance of male genital damage and the selective factor of elongated genitalia.
Rights: The definitive version is available at www.blackwell-synergy.com
Type: article (author version)
URI: http://hdl.handle.net/2115/43085
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 秋元 信一

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