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 25 - 48 of 191 verified sightings
Observation date: Sep 25, 2062
Submitted by: legacy.reporter (George T. Austin)
Region: Clark County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Jun 08, 1994
Submitted by: legacy.reporter (John B. Vernon)
Region: Washoe County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: May 04, 1977
Submitted by: legacy.reporter (George T. Austin)
Region: Clark County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Jun 29, 1972
Submitted by: legacy.reporter (CS Lawson)
Region: Clark County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Jun 15, 1977
Submitted by: legacy.reporter (George T. Austin)
Region: Clark County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Oct 06, 2062
Submitted by: legacy.reporter (CS Lawson)
Region: Clark County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Jun 09, 1983
Submitted by: legacy.reporter (George T. Austin)
Region: Nye County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Apr 24, 1978
Submitted by: legacy.reporter (George T. Austin)
Region: Clark County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: May 04, 1977
Submitted by: legacy.reporter (George T. Austin)
Region: Clark County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Sep 01, 2063
Submitted by: legacy.reporter (Kilian Roever)
Region: Clark County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Jun 18, 2068
Submitted by: legacy.reporter (unknown)
Region: Clark County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Jun 27, 2061
Submitted by: legacy.reporter (George T. Austin)
Region: Clark County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Jun 08, 1994
Submitted by: legacy.reporter (John B. Vernon)
Region: Washoe County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2012
Observation date: Aug 07, 1975
Submitted by: legacy.reporter (Jim Brock)
Region: Graham County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2012
Observation date: Jun 13, 2009
Submitted by: RaisingButterfl...
Region: Emery County, Utah, United States
Verified by: BAMONA
Verified date: Nov 28, 2011
Observation date: unknown
Submitted by: RaisingButterfl... (Todd Stout)
Region: United States
Verified by: BAMONA
Verified date: Nov 28, 2011
Observation date: Jul 10, 1969
Submitted by: legacy.reporter (David Bauer)
Region: Pershing County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Jul 10, 1967
Submitted by: legacy.reporter (David Bauer)
Region: Washoe County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Jul 10, 1967
Submitted by: legacy.reporter (David Bauer)
Region: Pershing County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Jul 17, 2064
Submitted by: legacy.reporter (unknown)
Region: Modoc County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: Jun 06, 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: Jul 01, 2005
Submitted by: legacy.reporter (Kim Davis & Mike Stangeland)
Region: Inyo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
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: Apr 02, 2010
Submitted by: legacy.reporter (Kim Davis & Mike Stangeland)
Region: San Diego County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
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