Golden Hairstreak
Habrodais grunus (Boisduval, 1852)
Family: Lycaenidae
Subfamily: Theclinae
Identification: Short tail on hindwing. Upperside of male dark brown with yellow tinge in cell area of forewing; female not as dark. Underside yellow brown with a narrow, dark postmarginal line; hindwing has thin gold crescents at margin, of which the last two are iridescent.
Wing Span: 1 - 1 1/4 inches (2.5 - 3.2 cm).
Life History: Males patrol tree canopy for receptive females. Eggs are laid on twigs of host trees. After hibernating through the winter, eggs hatch and the caterpillars feed on young leaves.
Flight: One flight from June-September.
Caterpillar Hosts: Leaves of oak relatives including canyon live oak (Quercus chrysolepis), huckleberry oak (Q. vaccinifolia), and tan oak (Lithocarpus densiflorus).
Adult Food: Adults do not seek flower nectar but search out moisture sources and possibly aphid honeydew or other exudates.
Habitat: Oak woodland, canyons, mountain ridges.
Range: Southern Arizona, Oregon, and California.
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 25 - 48 of 241 verified sightings
Observation date: Jun 23, 2020
Submitted by: Lisahug
Region: Sonoma County, California, United States
Verified by: Ken Davenport
Verified date: Jun 23, 2020
Observation date: Jun 23, 2020
Submitted by: Lisahug
Region: California, United States
Verified by: Ken Davenport
Verified date: Jun 23, 2020
Observation date: Jun 04, 2020
Submitted by: aulljon
Region: Butte County, California, United States
Verified by: Ken Davenport
Verified date: Jun 18, 2020
Observation date: May 12, 2012
Submitted by: Pierre Howard
Region: Mendocino County, California, United States
Verified by: Ken Davenport
Verified date: May 28, 2020
Observation date: Sep 07, 2019
Submitted by: ezeemonee
Region: Kern County, California, United States
Verified by: Ken Davenport
Verified date: Sep 09, 2019
Observation date: Aug 15, 2019
Submitted by: jbedortha31
Region: Klamath County, Oregon, United States
Verified by: Ken Davenport
Verified date: Aug 15, 2019
Observation date: Jul 06, 2019
Submitted by: Nancy Hamlett
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: Aug 08, 2019
Observation date: Jul 03, 2019
Submitted by: ncrosbyrd
Region: Josephine County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jul 14, 2019
Observation date: Jul 03, 2019
Submitted by: Lisahug
Region: Plumas County, California, United States
Verified by: Ken Davenport
Verified date: Jul 12, 2019
Observation date: Sep 01, 2018
Submitted by: Scott Burgess
Region: Humboldt County, California, United States
Verified by: Ken Davenport
Verified date: May 29, 2019
Observation date: Aug 11, 2018
Submitted by: Scott Burgess
Region: Humboldt County, California, United States
Verified by: Ken Davenport
Verified date: May 29, 2019
Observation date: Jul 09, 2018
Submitted by: Scott Burgess
Region: Trinity County, California, United States
Verified by: Ken Davenport
Verified date: May 28, 2019
Observation date: Jul 02, 2018
Submitted by: Scott Burgess
Region: Humboldt County, California, United States
Verified by: Ken Davenport
Verified date: May 28, 2019
Observation date: Jul 05, 2014
Submitted by: MAKI
Region: California, United States
Verified by: Ken Davenport
Verified date: Apr 01, 2019
Observation date: Jul 08, 2007
Submitted by: MAKI
Region: Santa Clara County, California, United States
Verified by: Ken Davenport
Verified date: Feb 18, 2019
Observation date: Aug 11, 2018
Submitted by: Robert Gorman
Region: Sierra County, California, United States
Verified by: Ken Davenport
Verified date: Aug 13, 2018
Observation date: Aug 09, 2018
Submitted by: RichHubie
Region: Mendocino County, California, United States
Verified by: Ken Davenport
Verified date: Aug 10, 2018
Observation date: Aug 30, 2017
Submitted by: Chris Carvalho
Region: Multnomah County, Oregon, United States
Verified by: Ken Davenport
Verified date: Sep 02, 2017
Observation date: Aug 22, 2017
Submitted by: Chris Carvalho
Region: Wasco County, Oregon, United States
Verified by: Ken Davenport
Verified date: Aug 26, 2017
Observation date: Jun 14, 2017
Submitted by: Robert Gorman
Region: Orange County, California, United States
Verified by: Ken Davenport
Verified date: Jul 18, 2017
Observation date: Jul 08, 2017
Submitted by: Selwyn Quan
Region: San Mateo County, California, United States
Verified by: Ken Davenport
Verified date: Jul 08, 2017
Observation date: Jul 02, 2017
Submitted by: Robert Gorman
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: Jul 04, 2017
Observation date: Jun 01, 2017
Submitted by: Nancy Asquith
Region: Santa Clara County, California, United States
Verified by: Ken Davenport
Verified date: Jun 17, 2017
Observation date: Aug 04, 2016
Submitted by: Bdog
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Aug 14, 2016
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