title: Usofila
text: # Usofila
  
  Usofila is a genus of American long-legged cave spiders that was first described by Eugen von Keyserling in 1891. Originally placed with the Ochyroceratidae, it was transferred to the Telemidae in 1973.
  
  ## Species
  
  As of September 2019 it contains four species, found in the United States:
  
  * Usofila flava Chamberlin & Ivie, 1942 – USA
  * Usofila gracilis Keyserling, 1891 (type) – USA
  * Usofila oregona Chamberlin & Ivie, 1942 – USA
  * Usofila pacifica (Banks, 1894) – USA
  
  ### Formerly included
  
  * Usofila pecki Brignoli, 1980 = Telemofila pecki
  