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 73 - 96 of 583 verified sightings
Observation date: Jun 12, 2021
Submitted by: caterfly
Region: Mariposa County, California, United States
Verified by: Ken Davenport
Verified date: Jul 27, 2021
Observation date: Jul 23, 2021
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jul 27, 2021
Observation date: Jul 23, 2021
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jul 27, 2021
Observation date: Jul 25, 2021
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jul 27, 2021
Observation date: Jul 03, 2021
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jul 20, 2021
Observation date: Jul 14, 2021
Submitted by: EvSherr
Region: Deschutes County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jul 15, 2021
Observation date: Jul 12, 2021
Submitted by: ezeemonee
Region: Kern County, California, United States
Verified by: Ken Davenport
Verified date: Jul 14, 2021
Observation date: Jul 11, 2021
Submitted by: ezeemonee
Region: Kern County, California, United States
Verified by: Ken Davenport
Verified date: Jul 14, 2021
Observation date: Jul 05, 2021
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jul 07, 2021
Observation date: Jul 01, 2021
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: Jul 01, 2021
Observation date: Jun 19, 2021
Submitted by: cklindsey
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Jun 21, 2021
Observation date: Jun 16, 2021
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: Jun 17, 2021
Observation date: Jun 04, 2021
Submitted by: Macromermaid
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Jun 08, 2021
Observation date: Jun 06, 2021
Submitted by: mstanek
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Jun 08, 2021
Observation date: Jun 06, 2021
Submitted by: mstanek
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Jun 08, 2021
Observation date: Jun 04, 2021
Submitted by: ezeemonee
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Jun 07, 2021
Observation date: May 29, 2021
Submitted by: MAKI
Region: Santa Barbara County, California, United States
Verified by: Ken Davenport
Verified date: Jun 05, 2021
Observation date: May 31, 2021
Submitted by: ezeemonee
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Jun 04, 2021
Observation date: May 31, 2021
Submitted by: ezeemonee
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Jun 04, 2021
Observation date: May 31, 2021
Submitted by: ezeemonee
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Jun 04, 2021
Observation date: May 26, 2021
Submitted by: mstanek
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: May 28, 2021
Observation date: May 22, 2021
Submitted by: Selwyn Quan
Region: San Benito County, California, United States
Verified by: Ken Davenport
Verified date: May 26, 2021
Observation date: May 16, 2021
Submitted by: Brynne Bryan
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: May 17, 2021
Observation date: May 09, 2021
Submitted by: mstanek
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: May 10, 2021
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