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 1 - 24 of 352 verified sightings
Observation date: Jun 02, 2023
Submitted by: hiker96
Region: Klickitat County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 07, 2023
Observation date: May 28, 2023
Submitted by: cklindsey
Region: Walla Walla County, Washington, United States
Verified by: davidwdroppers
Verified date: May 31, 2023
Observation date: Jun 10, 2022
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: May 11, 2023
Observation date: Apr 23, 2023
Submitted by: Marta Reece
Region: Hidalgo County, New Mexico, United States
Verified by: stevecary
Verified date: May 03, 2023
Observation date: Jun 09, 2022
Submitted by: gasigr
Region: Jefferson County, Oregon, United States
Verified by: Ken Davenport
Verified date: Feb 26, 2023
Observation date: Jul 09, 2022
Submitted by: hydapse
Region: Carbon County, Montana, United States
Verified by: J_Martineau
Verified date: Jan 09, 2023
Observation date: Jul 12, 2022
Submitted by: stevecary
Region: Otero County, New Mexico, United States
Verified by: stevecary
Verified date: Dec 31, 2022
Observation date: Jun 09, 2022
Submitted by: cklindsey
Region: Garfield County, Washington, United States
Verified by: davidwdroppers
Verified date: Nov 03, 2022
Observation date: Aug 22, 2022
Submitted by: hasfitz5
Region: Cochise County, Arizona, United States
Verified by: John Saba
Verified date: Sep 24, 2022
Observation date: Jul 22, 2022
Submitted by: Rozelle Wright
Region: Los Alamos County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 31, 2022
Observation date: Jul 23, 2022
Submitted by: DeepSkyKelly
Region: Colfax County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 25, 2022
Observation date: Jul 02, 2022
Submitted by: guy_incognito
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Jul 03, 2022
Observation date: Jun 21, 2022
Submitted by: Thomas Road
Region: Chelan County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 27, 2022
Observation date: Jun 22, 2022
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jun 27, 2022
Observation date: May 29, 2022
Submitted by: Seth Mueller
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Jun 15, 2022
Observation date: Jun 09, 2022
Submitted by: cklindsey
Region: Garfield County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 13, 2022
Observation date: Jun 09, 2022
Submitted by: cklindsey
Region: Garfield County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 13, 2022
Observation date: May 25, 2022
Submitted by: MAKI
Region: Coconino County, Arizona, United States
Verified by: Ken Davenport
Verified date: Jun 09, 2022
Observation date: Jun 20, 2011
Submitted by: Adrienne in Ohio
Region: Coconino County, Arizona, United States
Verified by: James Steen
Verified date: May 30, 2022
Observation date: May 01, 2022
Submitted by: topper72
Region: Los Alamos County, New Mexico, United States
Verified by: stevecary
Verified date: May 07, 2022
Observation date: Apr 17, 2022
Submitted by: Marta Reece
Region: Doña Ana County, New Mexico, United States
Verified by: CA Ivy
Verified date: Apr 18, 2022
Observation date: May 24, 2019
Submitted by: Mark Salvato
Region: Apache County, Arizona, United States
Verified by: John Saba
Verified date: Oct 22, 2021
Observation date: Jul 17, 2021
Submitted by: rebeccagracey
Region: Torrance County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 24, 2021
Observation date: Jun 10, 2021
Submitted by: twofried
Region: Taos County, New Mexico, United States
Verified by: stevecary
Verified date: Jun 29, 2021
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