Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

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

Verified Sightings

Displaying 1 - 24 of 125 verified sightings
Observation date: May 13, 2018
Submitted by: mbalame99
Region: Clatsop County, Oregon, United States
Verified by: davidwdroppers
Verified date: Apr 03, 2021
  Details
Observation date: May 08, 2020
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: May 09, 2020
  Details
Observation date: May 09, 2020
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: May 09, 2020
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Observation date: Apr 17, 2020
Submitted by: kcsaxton
Region: Coos County, Oregon, United States
Verified by: Ken Davenport
Verified date: Apr 17, 2020
  Details
Observation date: Jun 04, 2019
Submitted by: Scott Burgess
Region: Humboldt County, California, United States
Verified by: Ken Davenport
Verified date: Jun 05, 2019
  Details
Observation date: May 05, 2019
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: May 05, 2019
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Observation date: Apr 28, 2019
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: Apr 28, 2019
  Details
Observation date: Apr 17, 2019
Submitted by: RichHubie
Region: Mendocino County, California, United States
Verified by: Ken Davenport
Verified date: Apr 18, 2019
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Observation date: May 10, 2016
Submitted by: mbalame99
Region: Clatsop County, Oregon, United States
Verified by: Ken Davenport
Verified date: Oct 21, 2018
  Details
Observation date: May 05, 2018
Submitted by: hiker96
Region: Thurston County, Washington, United States
Verified by: davidwdroppers
Verified date: May 14, 2018
  Details
Observation date: Apr 17, 2018
Submitted by: RichHubie
Region: Mendocino County, California, United States
Verified by: Ken Davenport
Verified date: Apr 22, 2018
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Observation date: Apr 09, 2018
Submitted by: RichHubie
Region: Mendocino County, California, United States
Verified by: Ken Davenport
Verified date: Apr 10, 2018
  Details
Observation date: Feb 24, 2017
Submitted by: diwalks2@gmail.com
Region: Orange County, California, United States
Verified by: Ken Davenport
Verified date: Feb 24, 2017
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Observation date: Feb 25, 2016
Submitted by: diwalks2@gmail.com
Region: Orange County, California, United States
Verified by: Ken Davenport
Verified date: Apr 11, 2016
  Details
Observation date: Mar 18, 2016
Submitted by: MAKI
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: Mar 19, 2016
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Observation date: Feb 29, 2016
Submitted by: MAKI
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Feb 29, 2016
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Observation date: Feb 20, 2016
Submitted by: diwalks2@gmail.com
Region: Orange County, California, United States
Verified by: Ken Davenport
Verified date: Feb 23, 2016
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Observation date: Apr 16, 2015
Submitted by: Josiah Gilbert
Region: San Luis Obispo County, California, United States
Verified by: Ken Davenport
Verified date: Dec 09, 2015
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Observation date: Apr 28, 2015
Submitted by: RichHubie
Region: Mendocino County, California, United States
Verified by: Ken Davenport
Verified date: Apr 28, 2015
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Observation date: Apr 01, 2015
Submitted by: ajtaen
Region: Orange County, California, United States
Verified by: Ken Davenport
Verified date: Apr 02, 2015
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Observation date: Apr 10, 2010
Submitted by: Nancy Hamlett
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: Mar 30, 2015
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Observation date: Apr 10, 2010
Submitted by: Nancy Hamlett
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: Mar 30, 2015
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Observation date: Mar 08, 2015
Submitted by: MAKI
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Mar 09, 2015
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Observation date: Mar 14, 2014
Submitted by: Josiah Gilbert
Region: San Luis Obispo County, California, United States
Verified by: Ken Davenport
Verified date: Dec 25, 2014
  Details