Western Green Hairstreak
Callophrys affinis (W.H. Edwards, 1862)
Family: Lycaenidae
Subfamily: Theclinae
Identification: No tails. Adults variable. Upperside ranges from gray to orange-tinted to bright orange-brown. Underside of forewing green with orange or gray patch. Underside of hindwing yellow-green to green; postmedian white line usually reduced to a few spots.
Wing Span: 1 - 1 1/8 inches (2.5 - 3 cm).
Life History: Males perch on hilltops or in gulches to seek females. Eggs are laid singly on flower buds of host plants; caterpillars feed on flowers and young fruits, and occasionally leaves. Chrysalids hibernate.
Flight: One flight from May-July.
Caterpillar Hosts: Various Eriogonum, Lotus, and Ceanothus species.
Adult Food: Flower nectar.
Habitat: Brushland, chaparral, woods, scrub.
Range: Southern British Columbia and Washington south through California into northern Baja California; east to central Montana, Wyoming, Colorado, and New Mexico.
Conservation: Not usually required.
NCGR: G4 - Apparently secure globally, though it might 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 73 - 96 of 386 verified sightings
Observation date: Jun 29, 2017
Submitted by: Martin L Schwartz
Region: Blaine County, Idaho, United States
Verified by: stevekohler
Verified date: Jun 19, 2018
Observation date: Jul 09, 2017
Submitted by: conor.flynn
Region: Yavapai County, Arizona, United States
Verified by: John Saba
Verified date: Jul 13, 2017
Observation date: Jun 12, 2017
Submitted by: bvlusa
Region: Teton County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jun 29, 2017
Observation date: May 16, 2011
Submitted by: Chris Carvalho
Region: Grant County, New Mexico, United States
Verified by: stevecary
Verified date: May 15, 2017
Observation date: Jul 10, 2015
Submitted by: ncrosbyrd
Region: Gunnison County, Colorado, United States
Verified by: mikefisher
Verified date: Sep 18, 2015
Observation date: May 15, 2014
Submitted by: Jdammarell
Region: Lincoln County, Washington, United States
Verified by: davidwdroppers
Verified date: May 22, 2014
Observation date: Jun 12, 2009
Submitted by: rosenthal.k
Region: Jefferson County, Colorado, United States
Verified by: azukoff
Verified date: Feb 13, 2014
Observation date: Jun 29, 2013
Submitted by: joeschelling
Region: Colfax County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 07, 2013
Observation date: Apr 22, 2013
Submitted by: C. Fallon
Region: Klickitat County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 03, 2013
Observation date: Jul 01, 1987
Submitted by: legacy.reporter (J. Mori-O. Shields-R Wells)
Region: Lander County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Jul 07, 1987
Submitted by: legacy.reporter (Oakley Shields)
Region: Elko County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Jul 03, 1987
Submitted by: legacy.reporter (J Mori-O Shields-R Wells)
Region: White Pine County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Jun 17, 1990
Submitted by: legacy.reporter (George T. Austin)
Region: Lincoln County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: May 10, 1984
Submitted by: legacy.reporter (George T. Austin)
Region: White Pine County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Jul 04, 1987
Submitted by: legacy.reporter (J Mori-O Shields-R Wells)
Region: White Pine County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Aug 13, 1975
Submitted by: legacy.reporter (Floyd Preston)
Region: Apache County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2012
Observation date: Jun 20, 1978
Submitted by: legacy.reporter (George T. Austin)
Region: Lincoln County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2012
Observation date: Jun 28, 1978
Submitted by: legacy.reporter (George T. Austin)
Region: Lincoln County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2012
Observation date: May 13, 2011
Submitted by: Matt ODonnell
Region: Los Alamos County, New Mexico, United States
Verified by: stevecary
Verified date: Aug 08, 2011
Observation date: Jun 12, 2011
Submitted by: plex1ppus
Region: Spokane County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 28, 2011
Observation date: Aug 02, 1988
Submitted by: Ken Davenport (Ken Davenport)
Region: Coconino County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Jun 27, 1967
Submitted by: legacy.reporter (John Lane)
Region: Elko County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Jul 20, 2011
Submitted by: Ken Davenport (Ken Davenport)
Region: Yavapai County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: May 25, 1974
Submitted by: legacy.reporter (John DeBenedictis)
Region: Nye County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
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