Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Western Cloudywing
Thorybes diversus Bell,1927
Family: Hesperiidae
Subfamily: Pyrginae
Identification: Upperside is dull brown with small pale spots. Males lack a costal fold. Underside is dull brown with gray scaling at margins; hindwing with indistinct dark bands.
Wing Span: 1 1/4 - 1 1/2 inches (3.2 - 3.8 cm).
Life History: To await females, males perch in small forest openings. Eggs are laid singly on the host plant.
Flight: One brood from June-July.
Caterpillar Hosts: Cow clover (Trifolium wormskjoldii) in the pea family (Fabaceae).
Adult Food: Flower nectar.
Habitat: Small openings in coniferous forests.
Range: Local and scarce. South Cascade mountains of Oregon and the Sierra Nevada of California.
Conservation: Seems to require open forest understory in yellow pine forests. Forest succession or replacement due to fire suppression may be a threat.
NCGR: G3 - Very rare or local throughout its range or found locally in a restricted range (21 to 100 occurrences). (Threatened throughout its range).
Management Needs: None reported.
Comments: NULL

Verified Sightings

Displaying 25 - 48 of 51 verified sightings
Observation date: May 23, 1992
Submitted by: Ken Davenport (Ken Davenport)
Region: Madera County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 11, 2009
  Details
Observation date: Jun 30, 1962
Submitted by: legacy.reporter (J. W. Tilden)
Region: Tuolumne County, California, United States
Verified by: legacy.verifier (J. W. Tilden)
Verified date: Jun 11, 2009
  Details
Observation date: Jun 16, 1990
Submitted by: Ken Davenport (Ken Davenport)
Region: Mariposa County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 11, 2009
  Details
Observation date: Jun 08, 1992
Submitted by: legacy.reporter (Kilian Roever)
Region: Madera County, California, United States
Verified by: legacy.verifier (Kilian Roever)
Verified date: Jun 11, 2009
  Details
Observation date: May 31, 2000
Submitted by: legacy.reporter (Richard V. Kelson)
Region: Tuolumne County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 11, 2009
  Details
Observation date: May 23, 2007
Submitted by: Ken Davenport (Ken Davenport)
Region: Mariposa County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 11, 2009
  Details
Observation date: Jun 11, 1993
Submitted by: Ken Davenport (Ken Davenport)
Region: Madera County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 11, 2009
  Details
Observation date: May 30, 2007
Submitted by: Ken Davenport (Ken Davenport)
Region: Madera County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 11, 2009
  Details
Observation date: May 23, 1992
Submitted by: Ken Davenport (Ken Davenport)
Region: Madera County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 11, 2009
  Details
Observation date: May 29, 2007
Submitted by: Ken Davenport (Ken Davenport)
Region: Madera County, California, United States
Verified by: paulopler (Paul Opler)
Verified date: Jun 08, 2007
  Details
Observation date: unknown
Submitted by: legacy.reporter
Region: Tehama County, California, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
  Details
Observation date: unknown
Submitted by: legacy.reporter
Region: Sierra County, California, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
  Details
Observation date: unknown
Submitted by: legacy.reporter
Region: El Dorado County, California, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
  Details
Observation date: unknown
Submitted by: legacy.reporter
Region: Curry County, Oregon, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
  Details
Observation date: unknown
Submitted by: legacy.reporter
Region: Del Norte County, California, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
  Details
Observation date: unknown
Submitted by: legacy.reporter
Region: Madera County, California, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
  Details
Observation date: unknown
Submitted by: legacy.reporter
Region: Jackson County, Oregon, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
  Details
Observation date: unknown
Submitted by: legacy.reporter
Region: Plumas County, California, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
  Details
Observation date: unknown
Submitted by: legacy.reporter
Region: Humboldt County, California, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
  Details
Observation date: unknown
Submitted by: legacy.reporter
Region: Tuolumne County, California, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
  Details
Observation date: unknown
Submitted by: legacy.reporter
Region: Josephine County, Oregon, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
  Details
Observation date: unknown
Submitted by: legacy.reporter
Region: Siskiyou County, California, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
  Details
Observation date: unknown
Submitted by: legacy.reporter
Region: Shasta County, California, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
  Details
Observation date: unknown
Submitted by: legacy.reporter
Region: Nevada County, California, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
  Details