Phrurotimpus

Phrurotimpus is a genus of araneomorph spiders first described by R. V. Chamberlin and Wilton Ivie in 1935.^[2] The name is a compound adjective meaning "guarding the stone".^[3] Originally added to the Liocranidae,^[2] it was moved to the Corinnidae in 2002,^[4] then to the Phrurolithidae in 2014.^[5] They have red egg sacs that look like flattened discs, often found on the underside of stones.^[6]

Phrurotimpus
Phrurotimpus alarius
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Chelicerata
Class:	Arachnida
Order:	Araneae
Infraorder:	Araneomorphae
Family:	Phrurolithidae
Genus:	Phrurotimpus Chamberlin & Ivie, 1935[1]
Type species
P. alarius (Hentz, 1847)
Species
26, see text

Species

As of December 2022^[update] it contains twenty-six species in North America and China:^[1]

• 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