Gold-hunter's Hairstreak
Satyrium auretorum (Boisduval, 1852)
Family: Lycaenidae
Subfamily: Theclinae
Identification: Hindwing with 1 short tail. Upperside of male light reddish-brown; female with yellowish tinge. Underside of hindwing with dark crescents near outer margin. Spot near tail is dull orange with a black center.
Wing Span: 1 - 1 1/4 inches (2.5 - 3.2 cm).
Life History: Males perch on top of trees and sometimes patrol for females. Eggs are laid singly on stems and hibernate until spring. Caterpillars feed on tender young leaves.
Flight: One flight from May-July.
Caterpillar Hosts: Several species of oak (Quercus).
Adult Food: Flower nectar including milkweeds.
Habitat: Oak hillsides and chaparral.
Range: California west of the Sierra Nevada, Transverse Range, and deserts, from Mendocino County south to San Diego County and into Baja California Norte.
Conservation: The Santa Monica Mountains Hairstreak (subspecies fumosum) is highly localized and threatened by urbanization in southern California.
NCGR:
Management Needs: Protect habitat of remaining colonies of subspecies fumosum.
Comments: NULL
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Verified Sightings
Displaying 1 - 24 of 179 verified sightings

Observation date: Jun 02, 2023
Submitted by: hiker96
Region: Klickitat County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 07, 2023

Observation date: Jul 03, 2017
Submitted by: jhintermeister
Region: San Mateo County, California, United States
Verified by: Ken Davenport
Verified date: Jul 28, 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 30, 2022
Submitted by: ezeemonee
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: May 31, 2022

Observation date: Jun 07, 2021
Submitted by: Mark Salvato
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Aug 19, 2021

Observation date: May 31, 2021
Submitted by: bjones7777
Region: California, United States
Verified by: John Calhoun
Verified date: Jun 09, 2021

Observation date: Jun 14, 2020
Submitted by: guy_incognito
Region: San Bernardino County, California, United States
Verified by: CA Ivy
Verified date: Jun 21, 2020

Observation date: May 28, 2020
Submitted by: greenfant
Region: Klickitat County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 01, 2020

Observation date: Jul 03, 2019
Submitted by: Lisahug
Region: Plumas County, California, United States
Verified by: Ken Davenport
Verified date: Jul 14, 2019

Observation date: Jun 19, 2019
Submitted by: Robert Gorman
Region: Riverside County, California, United States
Verified by: Ken Davenport
Verified date: Jun 20, 2019

Observation date: Jun 15, 2019
Submitted by: Robert Gorman
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Jun 19, 2019

Observation date: Jun 15, 2019
Submitted by: Robert Gorman
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Jun 19, 2019

Observation date: Jun 15, 2019
Submitted by: Robert Gorman
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Jun 19, 2019

Observation date: Jun 15, 2019
Submitted by: Robert Gorman
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Jun 19, 2019

Observation date: Jun 13, 2018
Submitted by: Robert Gorman
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Jun 25, 2018

Observation date: Jul 09, 2011
Submitted by: diwalks2@gmail.com
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Dec 18, 2013

Observation date: Jul 29, 2012
Submitted by: Robert Gorman
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Nov 07, 2013

Observation date: Jun 20, 2012
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2012

Observation date: Jul 15, 2006
Submitted by: legacy.reporter (unknown)
Region: Tuolumne County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: May 01, 2011

Observation date: Jun 03, 2007
Submitted by: legacy.reporter (Kojiro Shiraiwa)
Region: San Diego County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: May 01, 2011

Observation date: Jun 06, 1948
Submitted by: legacy.reporter (unknown)
Region: Los Angeles County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: May 01, 2011

Observation date: Jun 05, 1986
Submitted by: legacy.reporter (unknown)
Region: San Bernardino County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: May 01, 2011

Observation date: Jul 17, 2006
Submitted by: legacy.reporter (Jim Brock)
Region: Tuolumne County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: May 01, 2011

Observation date: May 25, 1969
Submitted by: legacy.reporter (unknown)
Region: Solano County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: May 01, 2011
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