Propertius Duskywing
Erynnis propertius (Scudder & Burgess, 1870)
Family: Hesperiidae
Subfamily: Pyrginae
Identification: Upperside brown; forewings with gray overscaling and distinct dark markings. Clear spots are small in the male, large in the female. Underside of hindwing has well-defined spots below the apex. Male has a costal fold containing yellow scent scales; female has a patch of scent scales on the 7th abdominal segment.
Wing Span: 1 3/8 - 1 3/4 inches (3.5 - 4.5 cm).
Life History: Males perch on sunny hilltops to find females. Fully-grown caterpillars hibernate.
Flight: One brood from March-July.
Caterpillar Hosts: Coast live oak (Quercus agrifolia), Garry oak (Q. garryana), and perhaps others.
Adult Food: Flower nectar.
Habitat: Open oak woodlands, forest openings and edges, meadows and fields near oaks. Does not occur in deserts or hot central valleys.
Range: Southern British Columbia south along the Pacific Slope to Baja California Norte.
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 375 verified sightings
Observation date: Jul 28, 2022
Submitted by: MAKI
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: Jul 31, 2022
Observation date: Jun 01, 2022
Submitted by: BillBradford
Region: Klickitat County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 06, 2022
Observation date: Jun 02, 2022
Submitted by: hiker96
Region: Thurston County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 03, 2022
Observation date: May 14, 2022
Submitted by: robertpb
Region: Mariposa County, California, United States
Verified by: Ken Davenport
Verified date: May 17, 2022
Observation date: May 06, 2022
Submitted by: butterflies4us
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: May 07, 2022
Observation date: May 01, 2022
Submitted by: weflybye
Region: Klickitat County, Washington, United States
Verified by: davidwdroppers
Verified date: May 04, 2022
Observation date: Apr 04, 2022
Submitted by: Deantroi
Region: Sonoma County, California, United States
Verified by: Ken Davenport
Verified date: Apr 05, 2022
Observation date: Apr 03, 2022
Submitted by: RoxannaTessman
Region: Jackson County, Oregon, United States
Verified by: Ken Davenport
Verified date: Apr 03, 2022
Observation date: Mar 26, 2022
Submitted by: yhelfman
Region: Santa Clara County, California, United States
Verified by: Ken Davenport
Verified date: Mar 30, 2022
Observation date: Mar 22, 2022
Submitted by: Dnewhall
Region: Jackson County, Oregon, United States
Verified by: Ken Davenport
Verified date: Mar 24, 2022
Observation date: Mar 07, 2022
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: Mar 09, 2022
Observation date: Jul 13, 2016
Submitted by: ncrosbyrd
Region: Tulare County, California, United States
Verified by: Ken Davenport
Verified date: Feb 06, 2022
Observation date: Jun 07, 2015
Submitted by: dlister
Region: Mono County, California, United States
Verified by: Ken Davenport
Verified date: Jan 24, 2022
Observation date: Jun 02, 2015
Submitted by: dlister
Region: Mono County, California, United States
Verified by: Ken Davenport
Verified date: Jan 24, 2022
Observation date: Mar 25, 2016
Submitted by: griffin1680
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: Nov 08, 2021
Observation date: Jun 16, 2018
Submitted by: Mark Salvato
Region: Josephine County, Oregon, United States
Verified by: Ken Davenport
Verified date: Oct 19, 2021
Observation date: Jun 24, 2021
Submitted by: sarabseth
Region: San Mateo County, California, United States
Verified by: Ken Davenport
Verified date: Jun 28, 2021
Observation date: Jun 26, 2021
Submitted by: Shearwater13
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Jun 27, 2021
Observation date: Jul 26, 2020
Submitted by: guy_incognito
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Jun 26, 2021
Observation date: Jun 18, 2021
Submitted by: gp
Region: Lane County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jun 19, 2021
Observation date: May 30, 2021
Submitted by: guy_incognito
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: May 31, 2021
Observation date: May 23, 2021
Submitted by: ezeemonee
Region: Kern County, California, United States
Verified by: Ken Davenport
Verified date: May 31, 2021
Observation date: May 24, 2021
Submitted by: ezeemonee
Region: Kern County, California, United States
Verified by: Ken Davenport
Verified date: May 30, 2021
Observation date: May 23, 2021
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: May 26, 2021
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