Utivarachna

Utivarachna
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Trachelidae
Genus: Utivarachna
Kishida, 1940[1]
Type species
U. fukasawana
Kishida, 1940
Species

See text.

Utivarachna is a genus of Asian araneomorph spiders in the family Trachelidae first described by Kyukichi Kishida in 1940.[1][2] 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.[3] The genus was further expanded in 2014 and 2015.[4][5]

Species

As of December 2025, the World Spider Catalog accepted the following species:[1]

  • 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

References

  1. ^ a b c "Gen. Utivarachna Kishida, 1940". World Spider Catalog'. Natural History Museum Bern. doi:10.24436/2. Retrieved 2025-12-30.
  2. ^ Kishida, K. (1940). "Notes on two species of spiders, Doosia japonica and Utivarachna fukasawana". Acta Arachnologica. 5 (2): 138–145. doi:10.2476/asjaa.5.138.
  3. ^ Deeleman-Reinhold, C. L. (2001). Forest spiders of South East Asia: with a revision of the sac and ground spiders (Araneae: Clubionidae, Corinnidae, Liocranidae, Gnaphosidae, Prodidomidae and Trochanterriidae [sic]).
  4. ^ Zhao, Y.; Peng, X. J. (2014). "Spiders of the genus Utivarachna from China (Araneae: Corinnidae)". Zootaxa. 3774 (6): 578–588. doi:10.11646/zootaxa.3774.6.6. PMID 24871523.
  5. ^ Jin, C.; Yin, X. C.; Zhang, F. (2015). "A new species of the genus Utivarachna Kishida, 1940 (Araneae: Trachelidae) from China, with the first description of the male of U. fabaria Zhao & Peng, 2014 and a redescription of U. gui (Zhu, Song & Kim, 1998)". Zootaxa. 4057 (4): 569–581. doi:10.11646/zootaxa.4057.4.6. PMID 26701499.