Hedgerow Hairstreak
Satyrium saepium (Boisduval, 1852)
Family: Lycaenidae
Subfamily: Theclinae
Identification: Upperside metallic copper-brown. Forewing of male with black (sometimes pale) oval spot along leading edge. Underside brown with blue spot near tail; other markings not prominent.
Wing Span: 1 - 1 1/4 inches (2.5 - 3.2 cm).
Life History: Males perch on low vegetation. Females lay eggs singly on buds, leaves, and twigs of host plant. Eggs hatch the following spring; caterpillars eat buds and uppersides of leaves.
Flight: One flight from April-September.
Caterpillar Hosts: Ceanothus species in the buckthorn family (Rhamnaceae).
Adult Food: Flower nectar including yerba santa and wild buckwheats.
Habitat: Chaparral, open forest, brushy oak woodlands.
Range: British Columbia south through California into Baja California; east through northern Arizona to northern New Mexico, Colorado, and Montana.
Conservation: Not usually required.
NCGR: G5 - Demonstrably secure globally, though it may 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 540 verified sightings
Observation date: Jun 03, 2023
Submitted by: camflies
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Jun 03, 2023
Observation date: May 27, 2023
Submitted by: mstanek
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: May 28, 2023
Observation date: May 25, 2023
Submitted by: ezeemonee
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: May 27, 2023
Observation date: May 17, 2023
Submitted by: MAKI
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: May 21, 2023
Observation date: Jul 24, 2022
Submitted by: ezeemonee
Region: Santa Barbara County, California, United States
Verified by: Ken Davenport
Verified date: Feb 02, 2023
Observation date: Aug 22, 2022
Submitted by: MAKI
Region: White Pine County, Nevada, United States
Verified by: Ken Davenport
Verified date: Oct 13, 2022
Observation date: Aug 09, 2022
Submitted by: Chris Carvalho
Region: Hood River County, Oregon, United States
Verified by: Ken Davenport
Verified date: Aug 12, 2022
Observation date: Jun 01, 2022
Submitted by: hasfitz5
Region: Contra Costa County, California, United States
Verified by: Ken Davenport
Verified date: Jul 29, 2022
Observation date: Jul 14, 2022
Submitted by: ezeemonee
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Jul 27, 2022
Observation date: Jul 08, 2022
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jul 26, 2022
Observation date: Jun 17, 2022
Submitted by: ezeemonee
Region: Kern County, California, United States
Verified by: Ken Davenport
Verified date: Jul 05, 2022
Observation date: Jun 02, 2022
Submitted by: MAKI
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Jun 05, 2022
Observation date: May 30, 2022
Submitted by: ezeemonee
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: May 31, 2022
Observation date: May 08, 2022
Submitted by: camflies
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: May 08, 2022
Observation date: May 01, 2022
Submitted by: ezeemonee
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: May 02, 2022
Observation date: May 01, 2022
Submitted by: mstanek
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: May 02, 2022
Observation date: May 01, 2022
Submitted by: ezeemonee
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: May 02, 2022
Observation date: Apr 16, 2022
Submitted by: mstanek
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: Apr 17, 2022
Observation date: Apr 07, 2022
Submitted by: ezeemonee
Region: Santa Barbara County, California, United States
Verified by: Ken Davenport
Verified date: Apr 16, 2022
Observation date: Apr 07, 2022
Submitted by: ezeemonee
Region: Santa Barbara County, California, United States
Verified by: Ken Davenport
Verified date: Apr 16, 2022
Observation date: Jul 11, 2020
Submitted by: Robb Hannawacker
Region: Garfield County, Utah, United States
Verified by: RaisingButterfl...
Verified date: Dec 16, 2021
Observation date: Jul 05, 2021
Submitted by: J_Martineau
Region: Okanogan County, Washington, United States
Verified by: J_Martineau
Verified date: Dec 03, 2021
Observation date: Jul 31, 2017
Submitted by: Mark Salvato
Region: Tuolumne County, California, United States
Verified by: Ken Davenport
Verified date: Nov 13, 2021
Observation date: Aug 20, 2018
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Aug 31, 2021
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