Pacuvius Duskywing
Erynnis pacuvius (Lintner, 1878)
Family: Hesperiidae
Subfamily: Pyrginae
Identification: Upperside brown to black; forewing with uneven dark bands and small submarginal spots. Hindwing fringes are white with brown scales at their bases in subspecies pacuvius (Utah, Colorado, Arizona, New Mexico) and brown in other subspecies. Male has a costal fold containing yellow scent scales; female has a patch of scent scales on the 7th abdominal segment.
Wing Span: 1 1/4 - 1 3/8 inches (3.2 - 3.5 cm).
Life History: To wait for females, males perch on hilltops all day, and sometimes patrol when there is a high density of males.
Flight: Two broods in southern California, Arizona, and New Mexico; one brood in the north.
Caterpillar Hosts: Various wild lilacs including deer brier (Ceanothus fendleri), mountain whitethorn (Ceanothus cordulatus), hairy ceanothus (Ceanothus oliganthus), and others.
Adult Food: Nectar from flowers including Ceanothus.
Habitat: Open coniferous forest, chaparral, cutover land.
Range: British Columbia south through the mountains of western North America to southern California, Arizona, New Mexico, Baja California Norte, and south to Veracruz, Mexico.
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 145 - 168 of 377 verified sightings
Observation date: unknown
Submitted by: legacy.reporter (unknown)
Region: Riverside County, California, United States
Verified by: legacy.verifier (William H. Howe)
Verified date: Dec 17, 2009
Observation date: unknown
Submitted by: legacy.reporter (C. Don MacNeill)
Region: Marin County, California, United States
Verified by: legacy.verifier (William H. Howe)
Verified date: Dec 17, 2009
Observation date: unknown
Submitted by: legacy.reporter (unknown)
Region: Mariposa County, California, United States
Verified by: legacy.verifier (William H. Howe)
Verified date: Dec 17, 2009
Observation date: Jun 24, 1959
Submitted by: legacy.reporter (John S. Garth)
Region: Mariposa County, California, United States
Verified by: legacy.verifier (Garth & Tilden)
Verified date: Oct 19, 2009
Observation date: Jun 26, 1954
Submitted by: legacy.reporter (J. W. Tilden)
Region: Mariposa County, California, United States
Verified by: legacy.verifier (Garth & Tilden)
Verified date: Oct 19, 2009
Observation date: Jul 03, 1954
Submitted by: legacy.reporter (J. W. Tilden)
Region: Mariposa County, California, United States
Verified by: legacy.verifier (Garth & Tilden)
Verified date: Oct 19, 2009
Observation date: May 30, 1924
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: Jul 07, 2009
Submitted by: Ken Davenport (Ken Davenport)
Region: Alpine County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Aug 07, 2009
Observation date: Jul 13, 2009
Submitted by: Ken Davenport (Ken Davenport)
Region: Inyo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Aug 07, 2009
Observation date: Jun 14, 1985
Submitted by: Ken Davenport (Ken Davenport)
Region: San Bernardino County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
Observation date: Jun 30, 2003
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: Jun 24, 1978
Submitted by: Ken Davenport (Ken Davenport)
Region: San Bernardino County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
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 26, 2009
Observation date: Jul 15, 1975
Submitted by: Ken Davenport (Ken Davenport)
Region: Ventura County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
Observation date: Jul 13, 1998
Submitted by: Ken Davenport (Ken Davenport)
Region: Ventura County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
Observation date: Apr 04, 1994
Submitted by: Ken Davenport (Ken Davenport)
Region: San Luis Obispo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
Observation date: Jun 12, 2007
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 17, 2009
Observation date: Apr 15, 1961
Submitted by: legacy.reporter (Opler & Stanford)
Region: Tuolumne County, California, United States
Verified by: legacy.verifier (Opler & Stanford)
Verified date: Jun 17, 2009
Observation date: Jun 26, 1981
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 17, 2009
Observation date: Jul 04, 1966
Submitted by: legacy.reporter (Keith Hughes)
Region: Tulare County, California, United States
Verified by: legacy.verifier (Ray Stanford)
Verified date: Jun 17, 2009
Observation date: Jul 05, 1985
Submitted by: Ken Davenport (Ken Davenport)
Region: Tulare County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 17, 2009
Observation date: Jun 22, 1975
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 17, 2009
Observation date: Jun 15, 1984
Submitted by: paulopler (Paul Opler)
Region: Madera County, California, United States
Verified by: paulopler (Paul Opler)
Verified date: Jun 17, 2009
Observation date: Jun 14, 1996
Submitted by: legacy.reporter (Bruce & Bret Boyd)
Region: Mono County, California, United States
Verified by: legacy.verifier (George T. Austin)
Verified date: Jun 17, 2009
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