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
Verified Sightings
Displaying 1 - 24 of 303 verified sightings
Observation date: Jul 02, 2017
Submitted by: Laur52
Region: British Columbia, Canada
Verified by: Norbert Kondla
Verified date: Sep 22, 2017
Observation date: Apr 10, 2016
Submitted by: Paul Prappas
Region: Cochise County, Arizona, United States
Verified by: John Saba
Verified date: Sep 20, 2017
Observation date: Jul 02, 2017
Submitted by: Laur52
Region: British Columbia, Canada
Verified by: CA Ivy
Verified date: Sep 20, 2017
Observation date: Jun 15, 2017
Submitted by: Melanie Weiss
Region: Chelan County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 23, 2017
Observation date: Mar 18, 2017
Submitted by: rob77897@gmail.com
Region: Cochise County, Arizona, United States
Verified by: CA Ivy
Verified date: Jun 17, 2017
Observation date: Aug 25, 2016
Submitted by: Bdog
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Sep 05, 2016
Observation date: Jun 25, 2016
Submitted by: ncrosbyrd
Region: Placer County, California, United States
Verified by: Ken Davenport
Verified date: Jul 30, 2016
Observation date: Jun 19, 2016
Submitted by: ncrosbyrd
Region: Nevada County, California, United States
Verified by: Ken Davenport
Verified date: Jul 30, 2016
Observation date: Jun 26, 2016
Submitted by: silversea_starsong
Region: Madera County, California, United States
Verified by: Ken Davenport
Verified date: Jun 30, 2016
Observation date: Jul 09, 2014
Submitted by: John Wilson
Region: Socorro County, New Mexico, United States
Verified by: CA Ivy
Verified date: Feb 04, 2016
Observation date: Apr 16, 2015
Submitted by: Josiah Gilbert
Region: San Luis Obispo County, California, United States
Verified by: Ken Davenport
Verified date: Dec 11, 2015
Observation date: Jun 27, 2015
Submitted by: diwalks2@gmail.com
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Jun 29, 2015
Observation date: May 28, 2015
Submitted by: Kristie Nelson
Region: Mono County, California, United States
Verified by: Ken Davenport
Verified date: May 30, 2015
Observation date: Apr 19, 2015
Submitted by: Kristie Nelson
Region: Mono County, California, United States
Verified by: Ken Davenport
Verified date: Apr 20, 2015
Observation date: Jun 30, 2014
Submitted by: Josiah Gilbert
Region: Monterey County, California, United States
Verified by: Ken Davenport
Verified date: Dec 30, 2014
Observation date: Jun 20, 2014
Submitted by: Donna Shorrock
Region: Gilpin County, Colorado, United States
Verified by: mikefisher
Verified date: Aug 31, 2014
Observation date: Jun 30, 2011
Submitted by: shastamax
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: Aug 11, 2014
Observation date: May 15, 2013
Submitted by: Jdammarell
Region: Pend Oreille County, Washington, United States
Verified by: davidwdroppers
Verified date: Dec 26, 2013
Observation date: Jul 22, 2013
Submitted by: Sean Werle
Region: Cochise County, Arizona, United States
Verified by: John Saba
Verified date: Aug 06, 2013
Observation date: Apr 14, 2000
Submitted by: legacy.reporter (Ray Stanford)
Region: Maricopa County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: May 28, 2012
Submitted by: plex1ppus
Region: Spokane County, Washington, United States
Verified by: davidwdroppers
Verified date: May 31, 2012
Observation date: Jun 20, 2012
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2012
Observation date: Jul 15, 2008
Submitted by: RaisingButterfl...
Region: Davis County, Utah, United States
Verified by: BAMONA
Verified date: Nov 28, 2011
Observation date: Sep 06, 2011
Submitted by: Gary Jue
Region: Santa Cruz County, Arizona, United States
Verified by: John Saba
Verified date: Nov 23, 2011
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