Sheridan's Green Hairstreak
Callophrys sheridanii (W.H. Edwards, 1877)
Family: Lycaenidae
Subfamily: Theclinae
Identification: Upperside dark gray-brown. Underside ranges from bright green to dark gray-green; lower part of forewing gray. Postmedian line of white dots may be straight or bulged out, reduced, or lacking.
Wing Span: 7/8 - 1 1/8 inches (2.2 - 2.9 cm).
Life History: Males perch to watch for females in depressions or gulch bottoms. Females lay eggs singly on host plant leaves. Caterpillars eat leaves, although some prefer flowers and young fruits. Chrysalids hibernate.
Flight: One flight from March-June.
Caterpillar Hosts: Various species of wild buckwheat (Eriogonum).
Adult Food: Flower nectar.
Habitat: Sagebrush scrub, chaparral, woodlands, subalpine scree.
Range: Southern British Columbia east to Alberta; south through eastern Washington to Sierra Nevada of California; southeast along Rocky Mountains to New Mexico.
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: Edited from misspelling: sheridani.
Verified Sightings
Displaying 1 - 24 of 339 verified sightings
Observation date: May 09, 2009
Submitted by: Dwaine Wagoner
Region: Natrona County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jan 13, 2021
Observation date: May 17, 2020
Submitted by: J_Martineau
Region: Sheridan County, Wyoming, United States
Verified by: J_Martineau
Verified date: Dec 07, 2020
Observation date: Apr 27, 2020
Submitted by: A_baldini
Region: Larimer County, Colorado, United States
Verified by: A_baldini
Verified date: May 04, 2020
Observation date: Apr 09, 2020
Submitted by: kathy lichtendahl
Region: Park County, Wyoming, United States
Verified by: J_Martineau
Verified date: Apr 23, 2020
Observation date: Jun 23, 2019
Submitted by: gasigr
Region: Jackson County, Oregon, United States
Verified by: Ken Davenport
Verified date: Nov 16, 2019
Observation date: Apr 06, 2019
Submitted by: sgguthart
Region: Larimer County, Colorado, United States
Verified by: mikefisher
Verified date: Sep 19, 2019
Observation date: Apr 27, 2019
Submitted by: A_baldini
Region: Larimer County, Colorado, United States
Verified by: mikefisher
Verified date: Jul 24, 2019
Observation date: May 12, 2019
Submitted by: A_baldini
Region: Larimer County, Colorado, United States
Verified by: mikefisher
Verified date: Jul 24, 2019
Observation date: Jun 26, 2019
Submitted by: jgiroux
Region: Teton County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jul 17, 2019
Observation date: Jun 29, 2019
Submitted by: ncrosbyrd
Region: Jackson County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jul 15, 2019
Observation date: Jun 23, 2019
Submitted by: 4oclockwatch
Region: Jackson County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jun 28, 2019
Observation date: Jun 04, 2019
Submitted by: Chris Carvalho
Region: Hood River County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jun 08, 2019
Observation date: Apr 14, 2019
Submitted by: Jbrom
Region: Larimer County, Colorado, United States
Verified by: A_baldini
Verified date: Apr 21, 2019
Observation date: Apr 07, 2019
Submitted by: Christian.Nunes
Region: Boulder County, Colorado, United States
Verified by: A_baldini
Verified date: Apr 19, 2019
Observation date: Jun 14, 2008
Submitted by: hydapse
Region: Park County, Wyoming, United States
Verified by: J_Martineau
Verified date: Feb 07, 2019
Observation date: May 04, 2018
Submitted by: J_Martineau
Region: Sheridan County, Wyoming, United States
Verified by: J_Martineau
Verified date: Dec 20, 2018
Observation date: Apr 11, 2018
Submitted by: Claire Christensen
Region: British Columbia, Canada
Verified by: Norbert Kondla
Verified date: Nov 24, 2018
Observation date: Jul 03, 2018
Submitted by: MAKI
Region: El Dorado County, California, United States
Verified by: Ken Davenport
Verified date: Jul 13, 2018
Observation date: Apr 29, 2018
Submitted by: sgguthart
Region: Larimer County, Colorado, United States
Verified by: A_baldini
Verified date: Jun 07, 2018
Observation date: Apr 22, 2018
Submitted by: Chris Carvalho
Region: Klickitat County, Washington, United States
Verified by: davidwdroppers
Verified date: May 14, 2018
Observation date: Apr 24, 2018
Submitted by: papilio1
Region: Washoe County, Nevada, United States
Verified by: Ken Davenport
Verified date: Apr 27, 2018
Observation date: May 03, 2017
Submitted by: Chris Carvalho
Region: Klickitat County, Washington, United States
Verified by: davidwdroppers
Verified date: May 08, 2017
Observation date: Apr 15, 2017
Submitted by: Sue Orlowski
Region: Lincoln County, Washington, United States
Verified by: davidwdroppers
Verified date: Apr 16, 2017
Observation date: Apr 11, 2016
Submitted by: Sue Orlowski
Region: Lincoln County, Washington, United States
Verified by: davidwdroppers
Verified date: Apr 16, 2016
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