細蟹屋

Allocybaeina petegarina (Yaginuma, 1972)

ペテガリナミハグモ 

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Cybaeus petegarinus Yaginuma, 1972; Yaginuma, 1986; Ihara, 2009; Suzuki et al., 2021

Allocybaeina petegarina Sugawara et al., 2024

Distribution: Japan（Hokkaido, Akita）

【形態】中型～やや小型，淡色．

【生態】石の下などから採集される．

【分類】本種はナミハグモ属Cybaeusの一種として記載されたが，Sugawara et al. (2024)によりAllocybaeina Bennett, 2020に転属された．

【種名】種小名は，模式産地（ペテガリ岳）に由来．

【分布】北海道・秋田県

♀成体背面図（左）および外雌器腹面図（右）（2016年7月，北海道）

Female habitus, dorsal view (left)

Epigyne, ventral view (right)

References

Ihara, Y. 2009. Cybaeidae. In: Ono, H. (ed.) The spiders of Japan with keys to the families and genera and illustrations of the species. Tokai University Press, Kanagawa, pp. 152-168. 

Sugawara, Y., Ihara, Y., Koike, N., Seo, H. Y., Prozorova, L. A., Zhang, Z. S. & Nakano, T. 2024. Systematics of cybaeid spiders endemic to the Japanese Archipelago, and their historical biogeographic implications (Araneae: Cybaeidae). Invertebrate Systematics 38(IS24058): 1-16.

Suzuki, Y., Matsushima, R., Mukomine, R. & Watanabe, R. 2021. [Spiders collected in Hokkaido]. Kishidaia 118: 245-257. 

Yaginuma, T. 1972. Spiders of the Hidaka Mountain range, Hokkaido, Japan. Memoirs of the National Science Museum Tokyo 5: 17-32.

Yaginuma, T. 1986. Spiders of Japan in color (new ed.). Hoikusha Publishing Co., Osaka, 305 pp., 64 pls.