Mohave Sootywing
Hesperopsis libya (Scudder, 1878)
Family: Hesperiidae
Subfamily: Pyrginae
Identification: Fringes are white and not checkered. Upperside is dark brown with 2 rows of small white spots on the forewing; hindwing may have some white spots. Underside of hindwing is light to dark brown with a pale gray overlay and few to many white spots.
Wing Span: 7/8 - 1 1/4 inches (2.2 - 3.2 cm).
Life History: To find receptive females, males patrol around the host plants in the morning. Females lay eggs singly on leaves of the host plants. Caterpillars feed on leaves and live in nests of leaves tied together with silk.
Flight: One brood in North Dakota and Montana from July-August; two broods in Colorado from June-August; several broods in southern California from March-October.
Caterpillar Hosts: Shadscale (Atriplex canescens) in the goosefoot family (Chenopodiaceae).
Adult Food: Flower nectar.
Habitat: Desert washes and alkali flats with shadscale.
Range: Eastern Oregon east to Montana; south to southern California, Arizona, Baja California, and northwestern mainland Mexico.
Conservation: Not usually required.
NCGR: G5 - Demonstrably secure globally, though it may 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 49 - 72 of 191 verified sightings
Observation date: Jun 30, 2005
Submitted by: legacy.reporter (Kim Davis & Mike Stangeland)
Region: Mono County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: unknown
Submitted by: BAMONA (Jim Brock)
Region: United States
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: Apr 15, 1991
Submitted by: legacy.reporter (John F. Emmel)
Region: San Bernardino County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Aug 02, 2010
Observation date: May 18, 1985
Submitted by: legacy.reporter (Charles Sekerman)
Region: Inyo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Apr 02, 2010
Observation date: May 19, 1985
Submitted by: legacy.reporter (Charles Sekerman)
Region: Inyo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Apr 02, 2010
Observation date: May 07, 1982
Submitted by: legacy.reporter (John F. Emmel)
Region: Inyo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Mar 09, 2010
Observation date: Jun 06, 2009
Submitted by: legacy.reporter (Peter Jump, Jack Levy)
Region: San Luis Obispo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 06, 2010
Observation date: Sep 16, 2007
Submitted by: legacy.reporter (Peter Jump)
Region: Santa Barbara County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 06, 2010
Observation date: Jun 05, 2004
Submitted by: legacy.reporter (Peter Jump)
Region: San Luis Obispo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 06, 2010
Observation date: Sep 19, 1993
Submitted by: legacy.reporter (Jeffrey Glassberg)
Region: San Diego County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: Sep 30, 1921
Submitted by: legacy.reporter (J. A. Comstock)
Region: Riverside County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: unknown
Submitted by: legacy.reporter (R. Mattoni)
Region: Los Angeles County, California, United States
Verified by: legacy.verifier (Ray Stanford)
Verified date: Jan 04, 2010
Observation date: Aug 04, 1938
Submitted by: legacy.reporter (J. W. Tilden)
Region: Riverside County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Oct 16, 2009
Observation date: Aug 24, 2009
Submitted by: Ken Davenport (Ken Davenport)
Region: Inyo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Sep 18, 2009
Observation date: May 07, 1994
Submitted by: Ken Davenport (Ken Davenport)
Region: Inyo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Aug 28, 2009
Observation date: Aug 28, 1965
Submitted by: legacy.reporter (Emmel & Shields)
Region: Inyo County, California, United States
Verified by: legacy.verifier (Emmel & Emmel)
Verified date: Aug 10, 2009
Observation date: Sep 30, 1921
Submitted by: legacy.reporter (J. A. Comstock)
Region: Riverside County, California, United States
Verified by: legacy.verifier (Emmel & Emmel)
Verified date: Aug 10, 2009
Observation date: Oct 07, 1930
Submitted by: legacy.reporter (C. Dammers)
Region: Riverside County, California, United States
Verified by: legacy.verifier (Emmel & Emmel)
Verified date: Aug 10, 2009
Observation date: Sep 06, 2006
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
Observation date: Sep 16, 2007
Submitted by: legacy.reporter (Peter Jump)
Region: Santa Barbara County, California, United States
Verified by: legacy.verifier (Peter Jump)
Verified date: Jun 26, 2009
Observation date: Sep 01, 2002
Submitted by: Ken Davenport (Ken Davenport)
Region: Inyo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
Observation date: Jun 05, 2004
Submitted by: legacy.reporter (Peter Jump)
Region: San Luis Obispo County, California, United States
Verified by: legacy.verifier (Peter Jump)
Verified date: Jun 26, 2009
Observation date: Aug 16, 1999
Submitted by: Ken Davenport (Ken Davenport)
Region: Inyo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
Observation date: Jun 05, 2009
Submitted by: legacy.reporter (J Levy & P Jump)
Region: San Luis Obispo County, California, United States
Verified by: legacy.verifier (Jack Levy)
Verified date: Jun 26, 2009
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