Falcileptoneta zenjoenis (Komatsu, 1965)

ゼンジョウマシラグモ 

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Leptoneta zenjoenis Komatsu, 1965; Falcileptoneta zenjoenis Komatsu, 1970; Irie & Ono, 2009

Distribution: Japan（Shikoku）

【形態】

【生態】洞窟とその周辺，地下浅層に生息．

【分類】クロゲマシラグモF. melanocomataに類似するが，♂触肢脛節突起の形状により区別可能．

【種名】種小名は模式産地の禅定窟（ぜんじょうのいわや）に由来．

【分布】四国．模式産地は徳島県勝浦郡上勝町慈眼寺禅定窟．

♂成体（徳島）

Male (Tokushima)

♂成体（徳島）

Male (Tokushima)

♀成体（徳島）

Female (Tokushima)

ゼンジョウマシラグモ♂触肢側面図（左）

クロゲマシラグモ♂触肢側面図（右）

Male palp of F. zenjoenis, retrolateral view (left) and F. melanocomata, retrolateral view (right). 

References

Irie, T. & Ono, H. 2009. Leptonetidae. 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. 113-120. 

Komatsu, T. 1965. Two new cave spiders of genera Cybaeus and Leptoneta from Shikoku Island. Acta Arachnologica 19(2): 21-24.

Komatsu, T. 1970. A new genus and a new species of Japanese spiders (Falcileptoneta n. g. and Sarutana kawasawai n. sp., Leptonetidae). Acta Arachnologica 23(1): 1-12.

   

Arcuphantes elephantis Ono & H.Saito, 2001

トクシマヤミサラグモ 

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Arcuphantes awanus Ono & Saito, 2001; Ono, Matsuda & Saito, 2009; Wang et al., 2015

Distribution: Japan（Shikoku）

【形態】

【生態】主に山地に生息．渓流脇の岩の隙間や地表のくぼみにシート網を張る．

【分類】外雌器の形態には地理的変異がみられる．

【種名】種小名は，本種の外雌器がゾウの頭部を連想させることに由来．

【分布】四国．模式産地は徳島県名西郡神山町野間谷．

♀成体（徳島）

Female (Tokushima)

♂成体（徳島）

Male, Tokushima

♀外雌器側面図

Epigyne, lateral view

References

Ono, H. & Saito, H. 2001. New species of the family Linyphiidae (Arachnida, Araneae) from Japan. Bulletin of the National Museum of Nature and Science Tokyo (A) 27: 159-203. 

Ono, H., Matsuda, M. & Saito, H. 2009. Linyphiidae, Pimoidae. 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. 253-344. 

  

Arcuphantes awanus Ono & H.Saito, 2001

アワヤミサラグモ 

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Arcuphantes awanus Ono & Saito, 2001; Ono, Matsuda & Saito, 2009; Wang et al., 2015

Distribution: Japan（Shikoku）

【形態】

【生態】主に山地に生息．渓流脇の岩の隙間や地表のくぼみにシート網を張る．

【分類】

【種名】種小名は，本種の産地である徳島県（阿波）に由来．

【分布】四国．模式産地は徳島県三好市山城町津屋．

♀成体（徳島）

Female (Tokushima)

♂成体（徳島）

Male (Tokushima)

♂成体（徳島）

Male (Tokushima)

外雌器側面図

Epigyne, lateral view.

References

Ono, H. & Saito, H. 2001. New species of the family Linyphiidae (Arachnida, Araneae) from Japan. Bulletin of the National Museum of Nature and Science Tokyo (A) 27: 159-203. 

Ono, H., Matsuda, M. & Saito, H. 2009. Linyphiidae, Pimoidae. 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. 253-344. 

Wang, F., Ballesteros, J. A., Hormiga, G., Chesters, D., Zhang, Y. J., Sun, N., Zhu, C. D., Chen, W. & Tu, L. H. 2015. Resolving the phylogeny of a speciose spider group, the family Linyphiidae (Araneae). Molecular Phylogenetics and Evolution 91: 135-149 .

 

Nesticus sonei Yaginuma, 1981

ムギホラヒメグモ 

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Nesticus sonei Yaginuma, 1981; Kamura & Irie, 2009

Distribution: Japan（Shikoku）

【形態】

【生態】洞窟，岩場などから採集される．

【分類】西日本型のホラヒメグモ属．

【種名】種小名は，採集者であるShinzaburo Sone氏への献名．

【分布】四国．模式産地は徳島県海部郡牟岐町鬼ヶ岩屋（おにがいわや）

♀成体（徳島）

Female (Tokushima)

♂成体（徳島）

Male (Tokushima)

♀外雌器腹面図（左）

Epigyne, ventral view (left)

♂触肢腹面図（右）

Male left palp, ventral view (right)

References

Ihara, Y. 2003. Geographic differentiation of the miyosii-group of Cybaeus (Araneae: Cybaeidae) in western Japan, with descriptions of two new species. Acta Arachnologica 52(2): 103-112.

Ihara, Y. 2007. Diversity in genital morphology and geographic differentiation patterns in the spider genera Cybaeus and Arcuphantes (Araneae) in the Chugoku Mountains, Japan. Taxa, Proceedings of the Japanese Society of Systematic Zoology 22: 20-30. 

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. 

Yaginuma, T. 1941. [A new species of the genus Cybaeus from Ehime Prefecture, Japan]. Acta Arachnologica 6(4): 127-130.

Yaginuma, T. 1960. Spiders of Japan in colour. Hoikusha, Osaka, 186 pp. 

Yaginuma, T. 1971. Spiders of Japan in colour (enlarged and revised edition). Hoikusha, Osaka (for 1969), 197 pp.

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

Cybaeus ryunoiwayaensis Komatsu, 1968

リュウノイワヤナミハグモ 

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Cybaeus ryunoiwayaensis Komatsu, 1968; Ihara, 2009

Distribution: Japan（Shikoku）

【形態】中型，淡色．

【生態】地下浅層，洞窟などから採集される．

【分類】キウチナミハグモC. kiuchiiに類似し，その地理的置換種であると考えられている．

【種名】種小名は，模式産地に由来．

【分布】四国．模式産地は徳島県阿南市 龍の窟（りゅうのいわや）

♀成体（徳島）

Female (Tokushima)

♀外雌器腹面図

Epigyne, ventral view

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. 

Komatsu, T. 1968. Cave spiders of Japan II: Cybaeus, Dolichocybaeus and Heterocybaeus (Cybaeinae). Arachnological Society of East Asia, Osaka, pp. 1-38. 

Cybaeus miyosii Yaginuma, 1941

ヒメナミハグモ 

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Cybaeus miyosii Yaginuma, 1941; Yaginuma, 1960; Yaginuma, 1971; Yaginuma, 1986; Ihara, 2003; Ihara, 2007; Ihara, 2009

Distribution: Japan（Shikoku）

【形態】中型～やや小型．

【生態】落葉層，地下浅層、洞窟などから採集される．

【分類】愛媛県宇和島市産の3♀に基づいて記載された．

【種名】種小名は，愛媛県の多足類学者であり本種を最初に採集した三好保徳氏への献名．

【分布】四国．模式産地は愛媛県宇和島市滑床．

♂成体（高知県）

Male (Kochi)

♂触肢後側面図（左）および背面図（右）

Male left palp, retrolateral view (left) and dorsal view (right)

References

Ihara, Y. 2003. Geographic differentiation of the miyosii-group of Cybaeus (Araneae: Cybaeidae) in western Japan, with descriptions of two new species. Acta Arachnologica 52(2): 103-112.

Ihara, Y. 2007. Diversity in genital morphology and geographic differentiation patterns in the spider genera Cybaeus and Arcuphantes (Araneae) in the Chugoku Mountains, Japan. Taxa, Proceedings of the Japanese Society of Systematic Zoology 22: 20-30. 

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. 

Yaginuma, T. 1941. [A new species of the genus Cybaeus from Ehime Prefecture, Japan]. Acta Arachnologica 6(4): 127-130.

Yaginuma, T. 1960. Spiders of Japan in colour. Hoikusha, Osaka, 186 pp. 

Yaginuma, T. 1971. Spiders of Japan in colour (enlarged and revised edition). Hoikusha, Osaka (for 1969), 197 pp.

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

  Tmarus yaginumai Ono,  1977

ヤギヌマノセマルトラフカニグモ

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Tmarus yaginumai Ono, 1977, 1988, 2009; Yaginuma, 1986; Lee, Yoo & Kim, 2017; Hidaka, 2022

Distribution:  Korea, Japan

形態：体長♀4－6mm, ♂3.5－5.5mm．

生態：樹上に生息．

分類：

分布：日本（本州・四国・九州），韓国

卵嚢を保護する♀成体（高知県）

Female guarding an egg sac (Kochi)

外雌器腹面図

Epigyne, ventral view

♂触肢腹面図

Male palp, ventral view

References

Hidaka, R. 2022. [CD Japanese spider ver. 2020 Kumamoto prefecture list unlisted species]. Kishidaia 120: 172-173.  In Japanese

Lee, S. Y., Yoo, J. S. & Kim, S. T. 2017. Tmarus yaginumai Ono, 1977 (Araneae: Thomisidae) new to record for Korean spider fauna. Journal of Species Research 6(Special Edition): 51-53. 

Ono, H. 1977. Thomisidae aus Japan I. Das Genus Tmarus Simon (Arachnida: Araneae). Acta Arachnologica 27(Spec. No.): 61-84. 

Ono, H. 1988. A revisional study of the spider family Thomisidae (Arachnida, Araneae) of Japan. National Science Museum, Tokyo, 252 pp. 

Ono, H. 2009. The spiders of Japan with keys to the families and genera and illustrations of the species. Tokai University Press, Kanagawa, 739 pp. 

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