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.
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Verified Sightings
Displaying 1 - 24 of 380 verified sightings
Observation date: May 18, 2025
Submitted by: MAKI
Region: Plumas County, California, United States
Verified by: Ken Davenport
Verified date: May 27, 2025
Observation date: May 15, 2025
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: May 16, 2025
Observation date: Apr 16, 2025
Submitted by: Cascade Colors
Region: Grand County, Colorado, United States
Verified by: mikefisher
Verified date: May 11, 2025
Observation date: Apr 10, 2025
Submitted by: dchartier
Region: Douglas County, Colorado, United States
Verified by: mikefisher
Verified date: May 11, 2025
Observation date: Apr 11, 2025
Submitted by: sgguthart
Region: Larimer County, Colorado, United States
Verified by: mikefisher
Verified date: May 11, 2025
Observation date: May 05, 2025
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: May 08, 2025
Observation date: May 29, 1981
Submitted by: stevecary
Region: Lincoln County, New Mexico, United States
Verified by: stevecary
Verified date: Mar 13, 2025
Observation date: Apr 18, 2024
Submitted by: ncrosbyrd
Region: Clark County, Nevada, United States
Verified by: Ken Davenport
Verified date: May 10, 2024
Observation date: Apr 12, 2024
Submitted by: Cascade Colors
Region: Jefferson County, Colorado, United States
Verified by: mikefisher
Verified date: May 07, 2024
Observation date: Apr 13, 2024
Submitted by: Robb Hannawacker
Region: San Juan County, Utah, United States
Verified by: James Steen
Verified date: Apr 15, 2024
Observation date: Apr 13, 2024
Submitted by: Birder2
Region: Sherman County, Oregon, United States
Verified by: Ken Davenport
Verified date: Apr 14, 2024
Observation date: Apr 21, 2016
Submitted by: Robb Hannawacker
Region: Grand County, Utah, United States
Verified by: James Steen
Verified date: Sep 05, 2023
Observation date: Aug 05, 2023
Submitted by: Robert Gorman
Region: Mono County, California, United States
Verified by: Ken Davenport
Verified date: Aug 16, 2023
Observation date: Jul 31, 2023
Submitted by: natureali
Region: Mono County, California, United States
Verified by: Ken Davenport
Verified date: Aug 07, 2023
Observation date: Jul 10, 2023
Submitted by: Robert Gorman
Region: Sierra County, California, United States
Verified by: Ken Davenport
Verified date: Jul 27, 2023
Observation date: Jul 17, 2023
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: Jul 19, 2023
Observation date: Jul 17, 2023
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: Jul 19, 2023
Observation date: Jul 13, 2023
Submitted by: Norman M Barrett
Region: Jackson County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jul 14, 2023
Observation date: Jun 21, 2023
Submitted by: Dnewhall
Region: Jackson County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jun 22, 2023
Observation date: May 30, 2023
Submitted by: dee4nativeflora
Region: Jackson County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jun 06, 2023
Observation date: May 12, 2023
Submitted by: cklindsey
Region: Umatilla County, Oregon, United States
Verified by: Ken Davenport
Verified date: May 20, 2023
Observation date: May 12, 2023
Submitted by: cklindsey
Region: Umatilla County, Oregon, United States
Verified by: Ken Davenport
Verified date: May 20, 2023
Observation date: Apr 30, 2023
Submitted by: WYbutterflyer1
Region: Albany County, Wyoming, United States
Verified by: J_Martineau
Verified date: May 02, 2023
Observation date: Apr 25, 2023
Submitted by: weflybye
Region: Yakima County, Washington, United States
Verified by: davidwdroppers
Verified date: May 01, 2023
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