Octonoba is a genus of Asian cribellate orb weavers first described in 1979 by Brent Opell. Members of this genus and those of Purumitra both have a large concave median apophysis and a conspicuous hematodocha. However, these spiders are generally much larger, with a carapace greater than 1.4 millimeters long, where those of Purumitra are usually less than 1 millimeter long.
Species , it contains 33 species:
Octonoba albicola Yoshida, 2012 – Taiwan Octonoba ampliata Dong, Zhu & Yoshida, 2005 – China Octonoba aurita Dong, Zhu & Yoshida, 2005 – China Octonoba basuensis Hu, 2001 – China Octonoba bicornuta Seo, 2018 – Korea Octonoba biforata Zhu, Sha & Chen, 1989 – China Octonoba dentata Dong, Zhu & Yoshida, 2005 – China Octonoba digitata Dong, Zhu & Yoshida, 2005 – China Octonoba grandiconcava Yoshida, 1981 – Japan (Ryukyu Is.) Octonoba grandiprojecta Yoshida, 1981 – Japan (Ryukyu Is.) Octonoba kentingensis Yoshida, 2012 – Taiwan Octonoba lanyuensis Yoshida, 2012 – Taiwan Octonoba longshanensis Xie, Peng, Zhang, Gong & Kim, 1997 – China Octonoba okinawensis Yoshida, 1981 – Japan (Okinawa) Octonoba paralongshanensis Dong, Zhu & Yoshida, 2005 – China Octonoba paravarians Dong, Zhu & Yoshida, 2005 – China Octonoba rimosa Yoshida, 1983 – Japan (Ryukyu Is.) Octonoba sanyanensis Barrion, Barrion-Dupo & Heong, 2013 – China (Hainan) Octonoba senkakuensis Yoshida, 1983 – Japan Octonoba serratula Dong, Zhu & Yoshida, 2005 – China Octonoba sinensis (Simon, 1880) – China, Korea, Japan. Introduced to USA Octonoba spinosa Yoshida, 1982 – Taiwan Octonoba sybotides (Bösenberg & Strand, 1906) – China, Korea, Japan Octonoba taiwanica Yoshida, 1982 – Taiwan Octonoba tanakai Yoshida, 1981 – Japan (Ryukyu Is.) Octonoba uncinata Yoshida, 1981 – Japan (Ryukyu Is.) Octonoba varians (Bösenberg & Strand, 1906) – China, Korea, Japan Octonoba wanlessi Zhang, Zhu & Song, 2004 – China Octonoba xihua Barrion, Barrion-Dupo & Heong, 2013 – China (Hainan) Octonoba yaeyamensis Yoshida, 1981 – Japan (Ryukyu Is.) Octonoba yaginumai Yoshida, 1981 – Japan (Okinawa) Octonoba yesoensis (Saito, 1934) – Caucasus, Russia (Far East), Iran to Japan Octonoba yoshidai Tanikawa, 2006 – Japan
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