Phrurotimpus Explained

Phrurotimpus is a genus of araneomorph spiders first described by R. V. Chamberlin and Wilton Ivie in 1935.^[1] The name is a compound adjective meaning "guarding the stone".^[2] Originally added to the Liocranidae, it was moved to the Corinnidae in 2002,^[3] then to the Phrurolithidae in 2014.^[4] They have red egg sacs that look like flattened discs, often found on the underside of stones.^[5]

Species

it contains twenty-six species in North America and China:^[6]

• Phrurotimpus abditus Gertsch, 1941 – USA
• Phrurotimpus alarius (Hentz, 1847) (type) – USA, Canada
  • Phrurotimpus a. tejanus (Chamberlin & Gertsch, 1930) – USA, Canada
• Phrurotimpus annulatus Chamberlin & Ivie, 1944 – USA
• Phrurotimpus baoshanensis Mu, Lin & Zhang, 2022 – China
• Phrurotimpus bernikerae Platnick, 2019 – USA
• Phrurotimpus borealis (Emerton, 1911) – North America
• Phrurotimpus certus Gertsch, 1941 – USA, Canada
• Phrurotimpus chamberlini Schenkel, 1950 – USA
• Phrurotimpus daliensis Mu, Lin & Zhang, 2022 – China
• Phrurotimpus dulcineus Gertsch, 1941 – USA, Canada
• Phrurotimpus illudens Gertsch, 1941 – USA
• Phrurotimpus lasiolepis (Fu, Chen & Zhang, 2016) – China
• Phrurotimpus mateonus (Chamberlin & Gertsch, 1930) – USA
• Phrurotimpus minutus (Banks, 1892) – USA
• Phrurotimpus mormon (Chamberlin & Gertsch, 1930) – USA
  • Phrurotimpus m. xanthus Chamberlin & Ivie, 1935 – USA
• Phrurotimpus palustris (Banks, 1892) – Canada, USA
• Phrurotimpus parallelus (Chamberlin, 1921) – USA
• Phrurotimpus sorkini Platnick, 2019 – USA
• Phrurotimpus subtropicus Ivie & Barrows, 1935 – USA
• Phrurotimpus truncatus Chamberlin & Ivie, 1935 – USA
• Phrurotimpus umbratilis (Bishop & Crosby, 1926) – USA
• Phrurotimpus wallacei (Gertsch, 1935) – USA
• Phrurotimpus woodburyi (Chamberlin & Gertsch, 1929) – USA, Mexico
  • Phrurotimpus w. utanus Chamberlin & Ivie, 1935 – USA

Notes and References

1. Chamberlin. R. V.. Ivie. W.. 1935. Miscellaneous new American spiders.. Bulletin of the University of Utah. 1–79. 26. 4.
2. Book: Platnick, Norman . Spiders of the World: A Natural History . Ivy Press . 2020 . 9781782407508 . 230 . English.
3. Bosselaers. J.. Jocqué. R.. 2002. Studies in Corinnidae: cladistic analysis of 38 corinnid and liocranid genera, and transfer of Phrurolithinae. Zoologica Scripta. 31. 3. 265 . 10.1046/j.1463-6409.2002.00080.x . 83947168.
4. Ramírez. M. J.. 2014. The morphology and phylogeny of dionychan spiders (Araneae: Araneomorphae). Bulletin of the American Museum of Natural History. 390. 343. 10.1206/821.1. 11336/18066. 86146467. free.
5. Web site: Genus Phrurotimpus. BugGuide. 2019-05-22.
6. Gen. Phrurotimpus Chamberlin & Ivie, 1935. World Spider Catalog Version 20.0. 2019-05-22. 2019. Natural History Museum Bern. 10.24436/2.