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
Verified Sightings
Displaying 1 - 24 of 349 verified sightings
Observation date: Apr 30, 2021
Submitted by: Dnewhall
Region: Jackson County, Oregon, United States
Verified by: Ken Davenport
Verified date: May 10, 2021
Observation date: May 05, 2021
Submitted by: sarabseth
Region: Marin County, California, United States
Verified by: Ken Davenport
Verified date: May 05, 2021
Observation date: Apr 19, 2021
Submitted by: jhintermeister
Region: Santa Clara County, California, United States
Verified by: Ken Davenport
Verified date: Apr 27, 2021
Observation date: Apr 18, 2021
Submitted by: Dnewhall
Region: Jackson County, Oregon, United States
Verified by: Ken Davenport
Verified date: Apr 18, 2021
Observation date: May 15, 2017
Submitted by: jhintermeister
Region: San Mateo County, California, United States
Verified by: Ken Davenport
Verified date: Apr 17, 2021
Observation date: Apr 10, 2021
Submitted by: Shearwater13
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Apr 13, 2021
Observation date: Apr 10, 2021
Submitted by: Shearwater13
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Apr 13, 2021
Observation date: Aug 08, 2020
Submitted by: Axarus
Region: Mariposa County, California, United States
Verified by: Ken Davenport
Verified date: Aug 09, 2020
Observation date: Jun 03, 2013
Submitted by: hiker96
Region: Hood River County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jul 23, 2020
Observation date: Jul 15, 2020
Submitted by: butterflies4us
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Jul 17, 2020
Observation date: Jul 05, 2020
Submitted by: ezeemonee
Region: California, United States
Verified by: Ken Davenport
Verified date: Jul 06, 2020
Observation date: Jun 13, 2020
Submitted by: guy_incognito
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Jun 18, 2020
Observation date: Jun 07, 2020
Submitted by: ezeemonee
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Jun 08, 2020
Observation date: Jun 02, 2020
Submitted by: Lisahug
Region: Mendocino County, California, United States
Verified by: Ken Davenport
Verified date: Jun 03, 2020
Observation date: May 23, 2020
Submitted by: MAKI
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: May 31, 2020
Observation date: May 29, 2020
Submitted by: MAKI
Region: California, United States
Verified by: Ken Davenport
Verified date: May 31, 2020
Observation date: May 28, 2020
Submitted by: clblaney
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: May 31, 2020
Observation date: May 22, 2020
Submitted by: snakecollector
Region: Douglas County, Oregon, United States
Verified by: Ken Davenport
Verified date: May 23, 2020
Observation date: May 10, 2020
Submitted by: MAKI
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: May 10, 2020
Observation date: May 09, 2020
Submitted by: ezeemonee
Region: Kern County, California, United States
Verified by: Ken Davenport
Verified date: May 10, 2020
Observation date: Apr 07, 2020
Submitted by: enabreu
Region: Santa Clara County, California, United States
Verified by: Ken Davenport
Verified date: Apr 09, 2020
Observation date: May 30, 2019
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: Jan 10, 2020
Observation date: May 05, 2012
Submitted by: guy_incognito
Region: San Bernardino County, California, United States
Verified by: CA Ivy
Verified date: Nov 07, 2019
Observation date: Jul 29, 2019
Submitted by: MAKI
Region: Amador County, California, United States
Verified by: Ken Davenport
Verified date: Aug 02, 2019
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