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 <small> (Simon, 1896)</small> â Sri Lanka
- Utivarachna angsoduo <small>DhiyaâÂÂulhaq & Dupérré, 2024</small> â Indonesia (Sumatra)
- Utivarachna arcuata <small>Zhao & Peng, 2014</small> â China
- Utivarachna balonku <small>DhiyaâÂÂulhaq & Dupérré, 2024</small> â Indonesia (Sumatra)
- Utivarachna boo <small>Dayananda & Benjamin, 2025</small> â Sri Lanka
- Utivarachna bucculenta <small>Deeleman-Reinhold, 2001</small> â Thailand
- Utivarachna chamaeleon <small>Deeleman-Reinhold, 2001</small> â Borneo (Malaysia, Indonesia)
- Utivarachna convolutiva <small>Dankittipakul, Tavano & Singtripop, 2011</small> â Thailand
- Utivarachna dusun <small>Deeleman-Reinhold, 2001</small> â Malaysia (Borneo)
- Utivarachna fabaria <small>Zhao & Peng, 2014</small> â China
- Utivarachna fanjing <small>Li, Zhang & Yu, 2022</small> â China
- Utivarachna fronto <small>(Simon, 1906)</small> â India
- Utivarachna fukasawana <small>Kishida, 1940</small> â Borneo (Malaysia, Brunei)
- Utivarachna galyaniae <small>Dankittipakul, Tavano & Singtripop, 2011</small> â Thailand, Malaysia (Peninsula, Borneo), Singapore, Indonesia (Sumatra, Borneo)
- Utivarachna gongshanensis <small>Zhao & Peng, 2014</small> â China
- Utivarachna gui <small>(Zhu, Song & Kim, 1998)</small> â China
- Utivarachna haputale <small>Dayananda & Benjamin, 2025</small> â Sri Lanka
- Utivarachna ichneumon <small>Deeleman-Reinhold, 2001</small> â Malaysia (Borneo)
- Utivarachna itiokai <small>Yamasaki, 2023</small> â Malaysia (Borneo)
- Utivarachna kinabaluensis <small>Deeleman-Reinhold, 2001</small> â Malaysia (Borneo)
- Utivarachna lata <small>Jin, Yin & Zhang, 2015</small> â China
- Utivarachna linyejiei <small>Chu & Li, 2023</small> â Vietnam
- Utivarachna loolecondera <small>Dayananda & Benjamin, 2025</small> â Sri Lanka
- Utivarachna mandaram <small>Dayananda & Benjamin, 2025</small> â Sri Lanka
- Utivarachna peekaboo <small>Dayananda & Benjamin, 2025</small> â Sri Lanka
- Utivarachna phyllicola <small>Deeleman-Reinhold, 2001</small> â Myanmar, Thailand, Malaysia (Borneo), Indonesia (Sumatra)
- Utivarachna rama <small>Chami-Kranon & Likhitrakarn, 2007</small> â Thailand
- Utivarachna rimba <small>DhiyaâÂÂulhaq & Dupérré, 2024</small> â Indonesia (Sumatra)
- Utivarachna rubra <small>Deeleman-Reinhold, 2001</small> â Borneo (Malaysia, Indonesia)
- Utivarachna subfabaria <small>Liu, Xu & Haddad, 2020</small> â China
- Utivarachna taiwanica <small>(Hayashi & Yoshida, 1993)</small> â Taiwan
- Utivarachna tamdao <small>Chu & Li, 2023</small> â Vietnam
- Utivarachna tangi <small>Liu, Xu & Haddad, 2020</small> â China
- Utivarachna trisula <small>DhiyaâÂÂulhaq & Dupérré, 2024</small> â Indonesia (Sumatra)
- Utivarachna upcotensis <small>Dayananda & Benjamin, 2025</small> â Sri Lanka
- Utivarachna yumaoi <small>Lin & Li, 2023</small> â Vietnam
- Utivarachna zhengguoi <small>Chu & Li, 2023</small> â China
References