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 558 verified sightings
Observation date: Jul 02, 1987
Submitted by: papilio1
Region: Douglas County, Nevada, United States
Verified by: Ken Davenport
Verified date: Oct 28, 2024
Observation date: Aug 24, 2024
Submitted by: NikkiM
Region: Carbon County, Montana, United States
Verified by: J_Martineau
Verified date: Sep 04, 2024
Observation date: Jul 19, 2024
Submitted by: ezeemonee
Region: Kern County, California, United States
Verified by: Ken Davenport
Verified date: Jul 20, 2024
Observation date: Jul 08, 2024
Submitted by: Zencoyote
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Jul 12, 2024
Observation date: Jun 26, 2024
Submitted by: ezeemonee
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Jul 03, 2024
Observation date: May 26, 2024
Submitted by: Zencoyote
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Jun 07, 2024
Observation date: May 18, 2024
Submitted by: mstanek
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: May 19, 2024
Observation date: Jun 05, 2004
Submitted by: natureali
Region: Kern County, California, United States
Verified by: Ken Davenport
Verified date: Mar 22, 2024
Observation date: Aug 04, 2023
Submitted by: butterflies4us
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Aug 05, 2023
Observation date: Jul 26, 2023
Submitted by: ezeemonee
Region: Kern County, California, United States
Verified by: Ken Davenport
Verified date: Aug 03, 2023
Observation date: Jul 24, 2023
Submitted by: madamirie
Region: Shasta County, California, United States
Verified by: Ken Davenport
Verified date: Aug 03, 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: Jun 23, 2023
Submitted by: ezeemonee
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: Jun 25, 2023
Observation date: Jun 18, 2023
Submitted by: Seth Mueller
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Jun 20, 2023
Observation date: Jun 09, 2023
Submitted by: hasfitz5
Region: Contra Costa County, California, United States
Verified by: Ken Davenport
Verified date: Jun 13, 2023
Observation date: May 31, 2023
Submitted by: sfelton
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: Jun 06, 2023
Observation date: May 31, 2023
Submitted by: sfelton
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: Jun 06, 2023
Observation date: Jun 05, 2023
Submitted by: Zencoyote
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Jun 06, 2023
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
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