Acta Arachnologica
Online ISSN : 1880-7852
Print ISSN : 0001-5202
ISSN-L : 0001-5202
原著論文
A gynandromorph of the funnel-web spider Allagelena opulenta (Araneae: Agelenidae)
Yuki G. Baba Tatsumi SuguroNoriaki NayaTakeo Yamauchi
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2016 年 65 巻 1 号 p. 11-13

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We report the occurrence of a gynandromorph of the funnel-web spider Allagelena opulenta collected by a Malaise trap set in a Japanese cedar plantation on Mt. Aikodake, Yakushima Island, Japan. This specimen presents a transverse gynandry, with the anterior half of the body male and the posterior one female. The epigyne is abnormally developed, and the shape of the epigynal opening is deformed compared to that in normal females. This is the first case of gynandromorphy observed in this genus.

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