Attributes of Erynnis pacuvius
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.
Taxonomy Notes:
Images of Erynnis pacuvius
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The map below displays all verified sighting records in the BAMONA database for this species. Each record is indicated with a yellow dot. The orange dots on the map provide access to information about the 400 most recently verified sightings of this species. In some instances, there are several records at the same location. Use the table view to access these records.
Instructions: Click on the map and move your mouse to pan.
Zoom by using the plus [+] and minus [-] on the left side of the map.
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The fifty most recently verified sightings are below. See more recently verified sightings of all species.
| Observation Date | Submitter | Region |
Verified Date |
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|---|---|---|---|---|---|
| April 14, 2000 | legacy.reporter (Ray Stanford) | Maricopa County, Arizona, United States | December 01, 2012 | Details | |
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May 28, 2012 | plex1ppus | Spokane County, Washington, United States | May 31, 2012 | Details |
| June 20, 2012 | Ken Davenport (Ken Davenport) | Kern County, California, United States | January 01, 2012 | Details | |
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July 15, 2008 | RaisingButterflies.org | Davis County, Utah, United States | November 28, 2011 | Details |
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September 06, 2011 | Gary Jue | Santa Cruz County, Arizona, United States | November 23, 2011 | Details |
| June 28, 2001 | stevecary | Otero County, New Mexico, United States | February 07, 2011 | Details | |
| June 05, 1989 | Ken Davenport (Ken Davenport) | Coconino County, Arizona, United States | January 01, 2011 | Details | |
| June 08, 1989 | Ken Davenport (Ken Davenport) | Coconino County, Arizona, United States | January 01, 2011 | Details | |
| July 09, 1993 | Ken Davenport (Ken Davenport) | Yavapai County, Arizona, United States | January 01, 2011 | Details | |
| July 23, 2011 | Ken Davenport (Ken Davenport) | Yavapai County, Arizona, United States | January 01, 2011 | Details | |
| June 02, 2011 | Ken Davenport (Ken Davenport) | Coconino County, Arizona, United States | January 01, 2011 | Details | |
| June 06, 1989 | Ken Davenport (Ken Davenport) | Coconino County, Arizona, United States | January 01, 2011 | Details | |
| June 05, 1989 | Ken Davenport (Ken Davenport) | Coconino County, Arizona, United States | January 01, 2011 | Details | |
| July 09, 1995 | Ken Davenport (Ken Davenport) | Coconino County, Arizona, United States | January 01, 2011 | Details | |
| July 09, 1993 | Ken Davenport (Ken Davenport) | Yavapai County, Arizona, United States | January 01, 2011 | Details | |
| July 10, 1993 | Ken Davenport (Ken Davenport) | Yavapai County, Arizona, United States | January 01, 2011 | Details | |
| July 21, 2011 | Ken Davenport (Ken Davenport) | Yavapai County, Arizona, United States | January 01, 2011 | Details | |
| July 24, 2011 | Ken Davenport (Ken Davenport) | Yavapai County, Arizona, United States | January 01, 2011 | Details | |
| July 21, 2011 | Ken Davenport (Ken Davenport) | Yavapai County, Arizona, United States | January 01, 2011 | Details | |
| July 28, 2005 | Ken Davenport (Ken Davenport) | Cochise County, Arizona, United States | January 01, 2011 | Details | |
| July 02, 2007 | Ken Davenport (Ken Davenport) | Cochise County, Arizona, United States | January 01, 2011 | Details | |
| March 17, 2009 | Ken Davenport (Ken Davenport) | Mohave County, Arizona, United States | January 01, 2011 | Details | |
| July 17, 2010 | Ken Davenport (Ken Davenport) | Kern County, California, United States | December 31, 2010 | Details | |
| July 17, 2010 | Ken Davenport (Ken Davenport) | Kern County, California, United States | December 31, 2010 | Details | |
| July 17, 2010 | Ken Davenport (Ken Davenport) | Kern County, California, United States | December 31, 2010 | Details | |
| May 31, 1992 | legacy.reporter (unknown) | Mendocino County, California, United States | December 31, 2010 | Details | |
| June 24, 1990 | legacy.reporter (unknown) | Santa Cruz County, California, United States | December 31, 2010 | Details | |
| May 23, 2049 | legacy.reporter (unknown) | Los Angeles County, California, United States | December 31, 2010 | Details | |
| June 30, 1991 | legacy.reporter (unknown) | San Diego County, California, United States | December 31, 2010 | Details | |
| June 14, 1993 | legacy.reporter (unknown) | Ventura County, California, United States | December 31, 2010 | Details | |
| May 29, 2064 | legacy.reporter (unknown) | San Diego County, California, United States | December 31, 2010 | Details | |
| March 11, 1981 | legacy.reporter (unknown) | San Diego County, California, United States | December 31, 2010 | Details | |
| April 13, 2063 | legacy.reporter (unknown) | San Diego County, California, United States | December 31, 2010 | Details | |
| May 24, 2005 | legacy.reporter (William Bouton) | San Luis Obispo County, California, United States | December 31, 2010 | Details | |
| July 09, 2007 | legacy.reporter (William Bouton) | Monterey County, California, United States | December 31, 2010 | Details | |
| April 16, 2010 | legacy.reporter (Kim Davis & Mike Stangeland) | San Diego County, California, United States | December 31, 2010 | Details | |
| April 16, 2010 | legacy.reporter (Kim Davis & Mike Stangeland) | San Diego County, California, United States | December 31, 2010 | Details | |
| June 24, 1990 | legacy.reporter (Ken Osborne, C. Sekerman) | Santa Cruz County, California, United States | August 02, 2010 | Details | |
| May 02, 1981 | legacy.reporter (R. Busby, R. Langston & D. Parkinson) | Lake County, California, United States | March 09, 2010 | Details | |
| June 24, 1989 | legacy.reporter (Laurence Crabtree) | Plumas County, California, United States | January 25, 2010 | Details | |
| May 29, 1976 | legacy.reporter (Richard Breedlove) | Santa Cruz County, California, United States | January 07, 2010 | Details | |
| June 19, 1976 | legacy.reporter (Robert L. Langston) | Los Angeles County, California, United States | January 07, 2010 | Details | |
| April 13, 1968 | legacy.reporter (D. Murphy) | Mendocino County, California, United States | January 06, 2010 | Details | |
| June 30, 1968 | legacy.reporter (James Scott) | Sierra County, California, United States | January 06, 2010 | Details | |
| June 29, 1961 | legacy.reporter (D. Dirks & O. Shields) | El Dorado County, California, United States | January 06, 2010 | Details | |
| June 17, 1960 | legacy.reporter (John & Tom Emmel) | Placer County, California, United States | January 05, 2010 | Details | |
| August 05, 1960 | legacy.reporter (John & Tom Emmel) | Placer County, California, United States | January 05, 2010 | Details | |
| April 04, 1908 | legacy.reporter (J. A. Comstock) | Marin County, California, United States | January 05, 2010 | Details | |
| June 01, 1924 | legacy.reporter (J. A. Comstock) | Riverside County, California, United States | January 05, 2010 | Details | |
| May 29, 2007 | Ken Davenport (Ken Davenport) | Madera County, California, United States | January 04, 2010 | Details |
