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 121 - 144 of 191 verified sightings
Observation date: unknown
Submitted by: legacy.reporter
Region: Custer County, Montana, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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Submitted by: legacy.reporter
Region: Washoe County, Nevada, United States
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Verified date: Dec 31, 2004
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Region: Coconino County, Arizona, United States
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Verified date: Dec 31, 2004
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Submitted by: legacy.reporter
Region: Lander County, Nevada, United States
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Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Pima County, Arizona, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: White Pine County, Nevada, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: San Diego County, California, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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Submitted by: legacy.reporter
Region: Washington County, Utah, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Delta County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Sonora, Mexico
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Mineral County, Nevada, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Yuma County, Arizona, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Pershing County, Nevada, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Mono County, California, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Malheur County, Oregon, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Lassen County, California, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Johnson County, Wyoming, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Owyhee County, Idaho, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Slope County, North Dakota, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Nye County, Nevada, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Pinal County, Arizona, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Clark County, Nevada, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: San Luis Obispo County, California, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Uintah County, Utah, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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