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Function of the web box as an anti-predator barrier in the spider mite, Schizotetranychus recki

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Title: Function of the web box as an anti-predator barrier in the spider mite, Schizotetranychus recki
Authors: Horita, Mituru Browse this author
Chittenden, Anthony R. Browse this author
Sato, Yukie Browse this author
Saito, Yutaka4 Browse this author →KAKEN DB
Authors(alt): 斉藤, 裕4
Keywords: Acari
Predator–prey interaction
Sasa bamboo
Issue Date: 8-Jul-2003
Publisher: Springer-Verlag Tokyo Inc.
Journal Title: Journal of Ethology
Volume: 22
Issue: 1
Start Page: 105
End Page: 108
Publisher DOI: 10.1007/s10164-003-0101-3
Abstract: Spider mites inhabiting Sasa bamboo show considerable variation in traits believed to be the result of coevolution between predator and prey. In Schizotetranychus recki Ehara inhabiting the hairy leaves of a dwarf bamboo, Sasa senanensis, all quiescent stages, including eggs, appear within web boxes in the leaf hairs of their host plant, and this habit is thought to be a trait involved in predator avoidance. To test this hypothesis, the survival rates of S. recki eggs inside a web box and those freed of a web box were assessed in relation to six predator species that co-occur with the spider mite in the field. The results clearly show that the webbing behavior (web box) of S. recki has a function in avoiding five predator species. However, one predator species, Agistemus summersi Ehara, preyed more on eggs protected by a web box. This suggests that this predator species has a special trait to overcome the nest barriers.
Rights: The original publication is available at
Type: article (author version)
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: 齋藤 裕

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