Sooty Hairstreak
Satyrium fuliginosum (W.H. Edwards, 1861)
Family: Lycaenidae
Subfamily: Theclinae
Identification: No tails. Upperside drab dark gray. Underside gray to grayish brown; forewing with a line of white-bordered dark spots which may be lacking.
Wing Span: 1 - 1 1/4 inches (2.5 - 3.2 cm).
Life History: Males patrol and occasionally perch to seek receptive females. Females lay eggs singly on host plant or at its base in litter.
Flight: One flight from July-August.
Caterpillar Hosts: Various lupines (Lupinus species) in the pea family (Fabaceae).
Adult Food: Flower nectar.
Habitat: Sagebrush hills, meadows, fields, road edges.
Range: Local within its range. British Columbia south to central California, east to Wyoming and northern Colorado.
Conservation: Not usually required.
NCGR: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Comments: NULL
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Verified Sightings
Displaying 1 - 24 of 163 verified sightings
Observation date: Jul 04, 2021
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: Jul 04, 2021
Observation date: Jun 29, 2019
Submitted by: ncrosbyrd
Region: Jackson County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jul 14, 2019
Observation date: Jul 12, 2018
Submitted by: Robert Gorman
Region: Sierra County, California, United States
Verified by: Ken Davenport
Verified date: Jul 19, 2018
Observation date: Jul 12, 2018
Submitted by: Robert Gorman
Region: Sierra County, California, United States
Verified by: Ken Davenport
Verified date: Jul 19, 2018
Observation date: Jun 11, 2017
Submitted by: donahilkey
Region: Rio Blanco County, Colorado, United States
Verified by: mikefisher
Verified date: Jan 03, 2018
Observation date: Jul 05, 1995
Submitted by: legacy.reporter (unknown)
Region: Siskiyou County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: May 01, 2011
Observation date: Jul 13, 1994
Submitted by: legacy.reporter (unknown)
Region: Glenn County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: May 01, 2011
Observation date: Jul 24, 1988
Submitted by: legacy.reporter (unknown)
Region: Siskiyou County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: May 01, 2011
Observation date: Jul 13, 1994
Submitted by: legacy.reporter (unknown)
Region: Lake County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: May 01, 2011
Observation date: Jul 24, 1988
Submitted by: legacy.reporter (unknown)
Region: Siskiyou County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: May 01, 2011
Observation date: Aug 11, 2001
Submitted by: legacy.reporter (Jim Brock)
Region: Siskiyou County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: May 01, 2011
Observation date: Aug 04, 1932
Submitted by: legacy.reporter (unknown)
Region: Plumas County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: May 01, 2011
Observation date: unknown
Submitted by: BAMONA
Region:
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: Aug 27, 1979
Submitted by: legacy.reporter (A. M. Shapiro)
Region: Siskiyou County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Aug 03, 2010
Observation date: Jul 30, 1976
Submitted by: legacy.reporter (A. M. Shapiro)
Region: Trinity County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Aug 03, 2010
Observation date: Aug 06, 1978
Submitted by: legacy.reporter (A. M. Shapiro)
Region: Trinity County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Aug 03, 2010
Observation date: Aug 06, 1978
Submitted by: legacy.reporter (A. M. Shapiro)
Region: Siskiyou County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Aug 03, 2010
Observation date: Sep 05, 1976
Submitted by: legacy.reporter (A. M. Shapiro)
Region: Trinity County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Aug 03, 2010
Observation date: Sep 20, 1979
Submitted by: legacy.reporter (A. M. Shapiro)
Region: Siskiyou County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Aug 03, 2010
Observation date: Jul 30, 1976
Submitted by: legacy.reporter (A. M. Shapiro)
Region: Trinity County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Aug 03, 2010
Observation date: Aug 11, 1976
Submitted by: legacy.reporter (A. M. Shapiro)
Region: Siskiyou County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Aug 03, 2010
Observation date: Aug 16, 1979
Submitted by: legacy.reporter (A. M. Shapiro)
Region: Siskiyou County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Aug 03, 2010
Observation date: Sep 07, 1976
Submitted by: legacy.reporter (A. M. Shapiro)
Region: Siskiyou County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Aug 03, 2010
Observation date: Aug 06, 1978
Submitted by: legacy.reporter (A. M. Shapiro)
Region: Siskiyou County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Aug 03, 2010
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