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 403 verified sightings
Observation date: Apr 24, 2025
Submitted by: weflybye
Region: Thurston County, Washington, United States
Verified by: davidwdroppers
Verified date: Apr 25, 2025
Observation date: Apr 11, 2025
Submitted by: stevecary
Region: Tulare County, California, United States
Verified by: Ken Davenport
Verified date: Apr 20, 2025
Observation date: Apr 10, 1983
Submitted by: papilio1
Region: Tehama County, California, United States
Verified by: Ken Davenport
Verified date: Apr 11, 2025
Observation date: Apr 05, 2025
Submitted by: yhelfman
Region: Santa Clara County, California, United States
Verified by: Ken Davenport
Verified date: Apr 07, 2025
Observation date: Apr 05, 2025
Submitted by: yhelfman
Region: Santa Clara County, California, United States
Verified by: Ken Davenport
Verified date: Apr 07, 2025
Observation date: Mar 27, 2024
Submitted by: J_Martineau
Region: Ventura County, California, United States
Verified by: J_Martineau
Verified date: Nov 14, 2024
Observation date: Jun 02, 2020
Submitted by: Alison Davies
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Aug 02, 2024
Observation date: Jun 14, 2024
Submitted by: Lisahug
Region: Sonoma County, California, United States
Verified by: Ken Davenport
Verified date: Jun 16, 2024
Observation date: May 20, 2024
Submitted by: Robert Gorman
Region: Tulare County, California, United States
Verified by: Ken Davenport
Verified date: Jun 07, 2024
Observation date: May 15, 2024
Submitted by: mbalame99
Region: Clatsop County, Oregon, United States
Verified by: Ken Davenport
Verified date: May 19, 2024
Observation date: May 16, 2024
Submitted by: robertpb
Region: Mariposa County, California, United States
Verified by: Ken Davenport
Verified date: May 17, 2024
Observation date: May 11, 2024
Submitted by: camflies
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: May 12, 2024
Observation date: May 11, 2024
Submitted by: camflies
Region: Kern County, California, United States
Verified by: Ken Davenport
Verified date: May 12, 2024
Observation date: May 08, 2024
Submitted by: dfagan746
Region: Wasco County, Oregon, United States
Verified by: Ken Davenport
Verified date: May 10, 2024
Observation date: Apr 29, 2024
Submitted by: MAKI
Region: Riverside County, California, United States
Verified by: Ken Davenport
Verified date: May 03, 2024
Observation date: May 02, 2024
Submitted by: hiker96
Region: Thurston County, Washington, United States
Verified by: davidwdroppers
Verified date: May 02, 2024
Observation date: May 01, 2024
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: May 02, 2024
Observation date: May 01, 2024
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: May 02, 2024
Observation date: Apr 21, 2024
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: Apr 26, 2024
Observation date: Jul 26, 2023
Submitted by: Lori Bellis
Region: Washoe County, Nevada, United States
Verified by: Ken Davenport
Verified date: Jul 27, 2023
Observation date: Jun 27, 2023
Submitted by: hasfitz5
Region: Contra Costa County, California, United States
Verified by: Ken Davenport
Verified date: Jul 15, 2023
Observation date: Jul 14, 2023
Submitted by: RoxannaTessman
Region: Jackson County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jul 14, 2023
Observation date: May 29, 2023
Submitted by: hasfitz5
Region: Contra Costa County, California, United States
Verified by: Ken Davenport
Verified date: Jun 12, 2023
Observation date: Apr 09, 2023
Submitted by: hasfitz5
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: May 25, 2023
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