Nelson's Hairstreak
Callophrys nelsoni (Boisduval, 1869)
Family: Lycaenidae
Subfamily: Theclinae
Identification: Upperside of male is dark brown with rusty orange patches on lower outer edges of wings; female is mostly tawny with dark margins. Underside is brown with a lilac tinge; hindwing postmedian line may be reduced or it is dark and usually outlined in white.
Wing Span: 1 - 1 1/8 inches (2.5 - 2.9 cm).
Life History: To seek females, males perch on host trees all day. Eggs are laid singly on tips of host plant leaves, which the caterpillars eat. Chrysalids hibernate.
Flight: One brood from May-July.
Caterpillar Hosts: Incense cedar (Calocedrus decurrens), western red-cedar (Thuja plicata).
Adult Food: Flower nectar including buckbrush, pussy-paws, and composites.
Habitat: Openings in coniferous forests.
Range: Southern British Columbia and northwest Montana south through Washington, Oregon, Idaho, and Nevada to the high-altitude mountains of southern California and Baja California Norte.
Conservation: Not usually of concern.
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 97 - 120 of 264 verified sightings
Observation date: May 30, 1959
Submitted by: legacy.reporter (J. W. Tilden)
Region: Mariposa County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Oct 15, 2009
Observation date: Jun 11, 2006
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Oct 13, 2009
Observation date: May 30, 1987
Submitted by: Ken Davenport (Ken Davenport)
Region: Tulare County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Sep 24, 2009
Observation date: Jul 05, 1985
Submitted by: Ken Davenport (Ken Davenport)
Region: Tulare County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Sep 24, 2009
Observation date: Jun 15, 1968
Submitted by: legacy.reporter (Keith & Jan Hughes)
Region: Fresno County, California, United States
Verified by: legacy.verifier (Ray Stanford)
Verified date: Sep 24, 2009
Observation date: Sep 17, 1984
Submitted by: legacy.reporter (Oakley Shields)
Region: Mariposa County, California, United States
Verified by: legacy.verifier (Robert Langston)
Verified date: Sep 24, 2009
Observation date: Jun 30, 1955
Submitted by: legacy.reporter (Noel McFarland)
Region: San Bernardino County, California, United States
Verified by: legacy.verifier (Emmel & Emmel)
Verified date: Sep 24, 2009
Observation date: Jun 17, 2001
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Sep 24, 2009
Observation date: May 26, 1997
Submitted by: Ken Davenport (Ken Davenport)
Region: Tulare County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Sep 24, 2009
Observation date: Jun 23, 1989
Submitted by: Ken Davenport (Ken Davenport)
Region: Tulare County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Sep 24, 2009
Observation date: Jun 08, 1992
Submitted by: Ken Davenport (Ken Davenport)
Region: Madera County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Sep 24, 2009
Observation date: Jul 13, 1956
Submitted by: legacy.reporter (John S. Garth)
Region: Tuolumne County, California, United States
Verified by: legacy.verifier (Garth & Tilden)
Verified date: Sep 24, 2009
Observation date: Jun 20, 1987
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Sep 24, 2009
Observation date: Jun 18, 1983
Submitted by: Ken Davenport (Ken Davenport)
Region: Tulare County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Sep 24, 2009
Observation date: Jun 25, 1997
Submitted by: Ken Davenport (Ken Davenport)
Region: Tulare County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Sep 24, 2009
Observation date: Jul 01, 1996
Submitted by: Ken Davenport (Ken Davenport)
Region: Madera County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Sep 24, 2009
Observation date: Jun 20, 1987
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Sep 24, 2009
Observation date: Jun 10, 1996
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Sep 24, 2009
Observation date: Jul 29, 1977
Submitted by: Ken Davenport (Ken Davenport)
Region: Tulare County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Sep 24, 2009
Observation date: Jun 27, 1987
Submitted by: Ken Davenport (Ken Davenport)
Region: Tulare County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Sep 24, 2009
Observation date: Jul 05, 1985
Submitted by: Ken Davenport (Ken Davenport)
Region: Tulare County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Sep 24, 2009
Observation date: Jul 03, 2002
Submitted by: legacy.reporter (Randy Emmitt)
Region: Fresno County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Sep 24, 2009
Observation date: May 31, 1964
Submitted by: Ken Davenport (Ken Davenport)
Region: Mariposa County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Sep 24, 2009
Observation date: Jun 17, 1961
Submitted by: legacy.reporter (Oakley Shields)
Region: San Diego County, California, United States
Verified by: legacy.verifier (Emmel & Emmel)
Verified date: Sep 24, 2009
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