
Utivarachna is a genus of Asian araneomorph spiders in the family Trachelidae first described by Kyukichi Kishida in 1940. It was largely ignored until Christa L. Deeleman-Reinhold revised the sac and ground spiders in 2001, transferring some species from Trachelas and adding several new ones. The genus was further expanded in 2014 and 2015.
Utivarachna is a genus of Asian araneomorph spiders in the family Trachelidae first described by Kyukichi Kishida in 1940. It was largely ignored until Christa L. Deeleman-Reinhold revised the sac and ground spiders in 2001, transferring some species from Trachelas and adding several new ones. The genus was further expanded in 2014 and 2015.
==Species== , the World Spider Catalog accepted the following species: Utivarachna accentuata (Simon, 1896) – Sri Lanka Utivarachna angsoduo Dhiya’ulhaq & Dupérré, 2024 – Indonesia (Sumatra) Utivarachna arcuata Zhao & Peng, 2014 – China Utivarachna balonku Dhiya’ulhaq & Dupérré, 2024 – Indonesia (Sumatra) Utivarachna boo Dayananda & Benjamin, 2025 – Sri Lanka Utivarachna bucculenta Deeleman-Reinhold, 2001 – Thailand Utivarachna chamaeleon Deeleman-Reinhold, 2001 – Borneo (Malaysia, Indonesia) Utivarachna convolutiva Dankittipakul, Tavano & Singtripop, 2011 – Thailand Utivarachna dusun Deeleman-Reinhold, 2001 – Malaysia (Borneo) Utivarachna fabaria Zhao & Peng, 2014 – China Utivarachna fanjing Li, Zhang & Yu, 2022 – China Utivarachna fronto (Simon, 1906) – India Utivarachna fukasawana Kishida, 1940 – Borneo (Malaysia, Brunei) Utivarachna galyaniae Dankittipakul, Tavano & Singtripop, 2011 – Thailand, Malaysia (Peninsula, Borneo), Singapore, Indonesia (Sumatra, Borneo) Utivarachna gongshanensis Zhao & Peng, 2014 – China Utivarachna gui (Zhu, Song & Kim, 1998) – China Utivarachna haputale Dayananda & Benjamin, 2025 – Sri Lanka Utivarachna ichneumon Deeleman-Reinhold, 2001 – Malaysia (Borneo) Utivarachna itiokai Yamasaki, 2023 – Malaysia (Borneo) Utivarachna kinabaluensis Deeleman-Reinhold, 2001 – Malaysia (Borneo) Utivarachna lata Jin, Yin & Zhang, 2015 – China Utivarachna linyejiei Chu & Li, 2023 – Vietnam Utivarachna loolecondera Dayananda & Benjamin, 2025 – Sri Lanka Utivarachna mandaram Dayananda & Benjamin, 2025 – Sri Lanka Utivarachna peekaboo Dayananda & Benjamin, 2025 – Sri Lanka Utivarachna phyllicola Deeleman-Reinhold, 2001 – Myanmar, Thailand, Malaysia (Borneo), Indonesia (Sumatra) Utivarachna rama Chami-Kranon & Likhitrakarn, 2007 – Thailand Utivarachna rimba Dhiya’ulhaq & Dupérré, 2024 – Indonesia (Sumatra) Utivarachna rubra Deeleman-Reinhold, 2001 – Borneo (Malaysia, Indonesia) Utivarachna subfabaria Liu, Xu & Haddad, 2020 – China Utivarachna taiwanica (Hayashi & Yoshida, 1993) – Taiwan Utivarachna tamdao Chu & Li, 2023 – Vietnam Utivarachna tangi Liu, Xu & Haddad, 2020 – China Utivarachna trisula Dhiya’ulhaq & Dupérré, 2024 – Indonesia (Sumatra) Utivarachna upcotensis Dayananda & Benjamin, 2025 – Sri Lanka Utivarachna yumaoi Lin & Li, 2023 – Vietnam Utivarachna zhengguoi Chu & Li, 2023 – China
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).