Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

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

Verified Sightings

Displaying 49 - 72 of 535 verified sightings
Observation date: Apr 28, 2021
Submitted by: MAKI
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: May 05, 2021
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Observation date: Apr 25, 2015
Submitted by: camflies
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Jan 22, 2021
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Observation date: Aug 21, 2020
Submitted by: MAKI
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: Aug 26, 2020
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Observation date: Aug 09, 2020
Submitted by: ezeemonee
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Aug 10, 2020
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Observation date: Jun 14, 2020
Submitted by: cklindsey
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Jul 18, 2020
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Observation date: Jun 30, 2020
Submitted by: butterflies4us
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Jul 02, 2020
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Observation date: Jun 23, 2020
Submitted by: GI JAG
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Jun 26, 2020
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Observation date: Jun 25, 2020
Submitted by: mstanek
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: Jun 25, 2020
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Observation date: Jun 14, 2020
Submitted by: guy_incognito
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Jun 20, 2020
  Details
Observation date: Jun 08, 2020
Submitted by: Lisahug
Region: Sonoma County, California, United States
Verified by: Ken Davenport
Verified date: Jun 10, 2020
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Observation date: Jun 07, 2020
Submitted by: ezeemonee
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Jun 08, 2020
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Observation date: May 06, 2020
Submitted by: MAKI
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: May 08, 2020
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Observation date: May 02, 2020
Submitted by: ezeemonee
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: May 03, 2020
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Observation date: Aug 20, 2019
Submitted by: Thomas Road
Region: Kittitas County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 29, 2019
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Observation date: Jul 20, 2019
Submitted by: MAKI
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Jul 22, 2019
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Observation date: Jul 02, 2019
Submitted by: Lisahug
Region: Sierra County, California, United States
Verified by: Ken Davenport
Verified date: Jul 15, 2019
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Observation date: Jul 04, 2019
Submitted by: ezeemonee
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: Jul 14, 2019
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Observation date: Jun 30, 2019
Submitted by: Brynne Bryan
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: Jul 13, 2019
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Observation date: Jul 06, 2019
Submitted by: Scott Burgess
Region: Trinity County, California, United States
Verified by: Ken Davenport
Verified date: Jul 13, 2019
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Observation date: Jul 04, 2019
Submitted by: ezeemonee
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: Jul 12, 2019
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Observation date: Jul 06, 2019
Submitted by: Nancy Hamlett
Region: California, United States
Verified by: Ken Davenport
Verified date: Jul 12, 2019
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Observation date: Jul 06, 2019
Submitted by: Nancy Hamlett
Region: California, United States
Verified by: Ken Davenport
Verified date: Jul 12, 2019
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Observation date: Jul 06, 2019
Submitted by: MAKI
Region: California, United States
Verified by: Ken Davenport
Verified date: Jul 11, 2019
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Observation date: Jun 13, 2019
Submitted by: MAKI
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Jun 16, 2019
  Details