Coastal Green Hairstreak
Callophrys dumetorum (Boisduval, 1852)
Family: Lycaenidae
Subfamily: Theclinae
Identification: No tails. Upperside of male gray; female yellowish at least in center of both wings. Underside of forewing gray with extensive blue-green. Underside of hindwing blue-green with complete or much reduced postmedian line of white spots capped with black.
Wing Span: 1 - 1 1/4 inches (2.5 - 3.2 cm).
Life History: Males perch near host plants all day to watch for females. Eggs are laid under leaves and on flower buds. Caterpillars eat leaves, flowers, and young fruits. Chrysalids hibernate in debris under the host plant.
Flight: One flight from March-May.
Caterpillar Hosts: Eriogonum latifolium and occasionally deerweed (Lotus scoparius) and others.
Adult Food: Flower nectar.
Habitat: Coastal hills and dunes, rarely chaparral.
Range: Coastal California, rarely inland sites.
Conservation: Although not listed, the total range is small and all population sites should be protected.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: All populations should be protected and managed if necessary.
Comments: NULL
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Verified Sightings
Displaying 1 - 24 of 149 verified sightings

Observation date: May 02, 2022
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: May 03, 2022

Observation date: Apr 27, 2022
Submitted by: hiker96
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: May 03, 2022

Observation date: Apr 22, 2022
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: Apr 27, 2022

Observation date: Apr 07, 2022
Submitted by: ezeemonee
Region: Santa Barbara County, California, United States
Verified by: Ken Davenport
Verified date: Apr 16, 2022

Observation date: Apr 15, 2022
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: Apr 16, 2022

Observation date: Apr 03, 2022
Submitted by: ezeemonee
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Apr 07, 2022

Observation date: Apr 07, 2022
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: Apr 07, 2022

Observation date: Apr 03, 2022
Submitted by: Deantroi
Region: Sonoma County, California, United States
Verified by: Ken Davenport
Verified date: Apr 04, 2022

Observation date: Apr 16, 2016
Submitted by: yhelfman
Region: Mendocino County, California, United States
Verified by: Ken Davenport
Verified date: Mar 29, 2022

Observation date: Mar 23, 2022
Submitted by: Seth Mueller
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: Mar 27, 2022

Observation date: Mar 23, 2022
Submitted by: docentgal
Region: San Mateo County, California, United States
Verified by: Ken Davenport
Verified date: Mar 24, 2022

Observation date: Mar 13, 2022
Submitted by: ezeemonee
Region: Monterey County, California, United States
Verified by: Ken Davenport
Verified date: Mar 21, 2022

Observation date: Mar 17, 2022
Submitted by: ezeemonee
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Mar 21, 2022

Observation date: Mar 08, 2022
Submitted by: mstanek
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: Mar 09, 2022

Observation date: Mar 02, 2022
Submitted by: mstanek
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Mar 03, 2022

Observation date: Feb 27, 2022
Submitted by: SatGarcia
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Mar 03, 2022

Observation date: Feb 13, 2022
Submitted by: Zencoyote
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Feb 23, 2022

Observation date: Feb 13, 2022
Submitted by: Zencoyote
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Feb 23, 2022

Observation date: Feb 20, 2022
Submitted by: camflies
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Feb 23, 2022

Observation date: Apr 21, 2017
Submitted by: ocean_beach_goth
Region: San Francisco County, California, United States
Verified by: Ken Davenport
Verified date: Oct 16, 2021

Observation date: Apr 11, 2021
Submitted by: ocean_beach_goth
Region: Monterey County, California, United States
Verified by: Ken Davenport
Verified date: Oct 16, 2021

Observation date: Apr 27, 2021
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: Apr 28, 2021

Observation date: Apr 09, 2021
Submitted by: Chris Carvalho
Region: Klickitat County, Washington, United States
Verified by: davidwdroppers
Verified date: Apr 21, 2021

Observation date: Apr 21, 2021
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: Apr 21, 2021
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