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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Erynnis pacuvius - erynnis_pacuvius_lilius_caterpillar5a_raisingbutterflies.jpg

Erynnis pacuvius - erynnis_pacuvius_lilius_caterpillar5a_raisingbutterflies.jpg
Erynnis pacuvius - erynnis_pacuvius_lilius_caterpillar5b_raisingbutterflies.jpg

Erynnis pacuvius - erynnis_pacuvius_lilius_caterpillar5b_raisingbutterflies.jpg

The map below displays all BAMONA data for this species and has three different data layers:
1. All records (yellow dots)   2. Recently verified records (orange dots)*   3. US county records (purple)

There are also three base layers: 1. Satellite    2. Normal   3. Hybrid

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*The orange dots on the map provide access to information about the 400 most recently verified sightings of this species. Sometimes, there are several records at the same location. Use the table view to access these records.

By default, the fifty most recently verified sightings are below. Sort by Observation Date to see the most recent sightings, or filter the sightings by region to get a regional list.

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Observation Date Submitter Region Verified Datesort icon
May 15, 2013 Jdammarell Pend Oreille County, Washington, United States December 26, 2013 Details
July 22, 2013 Sean Werle Cochise County, Arizona, United States August 06, 2013 Details
April 14, 2000 legacy.reporter (Ray Stanford) Maricopa County, Arizona, United States December 01, 2012 Details
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
July 15, 2008 RaisingButterflies.org Davis County, Utah, United States November 28, 2011 Details
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, 1949 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
March 11, 1981 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