Tachygyna is a genus of North American sheet weavers that was first described by Ralph Vary Chamberlin & Vaine Wilton Ivie in 1939.

Species

As of May 2019[update] it contains fifteen species, all found in North America:

  • Tachygyna alia Millidge, 1984
  • Tachygyna cognata Millidge, 1984
  • Tachygyna coosi Millidge, 1984
  • Tachygyna delecta Chamberlin & Ivie, 1939
  • Tachygyna exilis Millidge, 1984
  • Tachygyna gargopa (Crosby & Bishop, 1929)
  • Tachygyna haydeni Chamberlin & Ivie, 1939
  • Tachygyna pallida Chamberlin & Ivie, 1939
  • Tachygyna proba Millidge, 1984
  • Tachygyna sonoma Millidge, 1984
  • Tachygyna speciosa Millidge, 1984
  • Tachygyna tuoba (Chamberlin & Ivie, 1933)
  • Tachygyna ursina (Bishop & Crosby, 1938)
  • Tachygyna vancouverana Chamberlin & Ivie, 1939 (type)
  • Tachygyna watona Chamberlin, 1949