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 121 - 144 of 377 verified sightings
Observation date: May 23, 1949
Submitted by: legacy.reporter (unknown)
Region: Los Angeles County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: Apr 16, 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
Observation date: Jul 17, 2010
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: May 29, 2064
Submitted by: legacy.reporter (unknown)
Region: San Diego County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: May 31, 1992
Submitted by: legacy.reporter (unknown)
Region: Mendocino County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: May 24, 2005
Submitted by: legacy.reporter (William Bouton)
Region: San Luis Obispo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: Jun 30, 1991
Submitted by: legacy.reporter (unknown)
Region: San Diego County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: Apr 16, 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
Observation date: Jul 17, 2010
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: Mar 11, 1981
Submitted by: legacy.reporter (unknown)
Region: San Diego County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: unknown
Submitted by: paulopler (Paul Opler)
Region: United States
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: Jun 24, 1990
Submitted by: legacy.reporter (Ken Osborne, C. Sekerman)
Region: Santa Cruz County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Aug 02, 2010
Observation date: May 02, 1981
Submitted by: legacy.reporter (R. Busby, R. Langston & D. Parkinson)
Region: Lake County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Mar 09, 2010
Observation date: Jun 24, 1989
Submitted by: legacy.reporter (Laurence Crabtree)
Region: Plumas County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 25, 2010
Observation date: May 29, 1976
Submitted by: legacy.reporter (Richard Breedlove)
Region: Santa Cruz County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Jun 19, 1976
Submitted by: legacy.reporter (Robert L. Langston)
Region: Los Angeles County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Jun 30, 1968
Submitted by: legacy.reporter (James Scott)
Region: Sierra County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 06, 2010
Observation date: Apr 13, 1968
Submitted by: legacy.reporter (D. Murphy)
Region: Mendocino County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 06, 2010
Observation date: Jun 29, 1961
Submitted by: legacy.reporter (D. Dirks & O. Shields)
Region: El Dorado County, California, United States
Verified by: legacy.verifier (John Burns)
Verified date: Jan 06, 2010
Observation date: Aug 05, 1960
Submitted by: legacy.reporter (John & Tom Emmel)
Region: Placer County, California, United States
Verified by: legacy.verifier (John F. Emmel)
Verified date: Jan 05, 2010
Observation date: Jun 17, 1960
Submitted by: legacy.reporter (John & Tom Emmel)
Region: Placer County, California, United States
Verified by: legacy.verifier (John F. Emmel)
Verified date: Jan 05, 2010
Observation date: Jun 01, 1924
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: Apr 04, 1908
Submitted by: legacy.reporter (J. A. Comstock)
Region: Marin County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: May 29, 2007
Submitted by: Ken Davenport (Ken Davenport)
Region: Madera County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 04, 2010
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