Rockslide Checkerspot
Chlosyne whitneyi (Behr, 1863)
Family: Nymphalidae
Subfamily: Nymphalinae
Identification: Upperside is slightly glossy black with pale orange to creamy white bands; female may be much darker. Underside of hindwing with a light orange marginal band, then alternating orange and creamy white bands on remainder of wing.
Wing Span: 1 1/4 - 1 5/8 inches (3.2 - 4.1 cm).
Life History: Males patrol and sometimes perch in hollows of rockslides to wait for females. Eggs are laid in batches on underside of host plant leaves and sometimes on flower buds. Caterpillars eat leaves and flowers, and feed together in groups. Third- and fourth-stage caterpillars hibernate under rocks; some diapause for two years or more to survive bad weather.
Flight: One flight from July-August.
Caterpillar Hosts: Alpine plants of the sunflower family including Erigeron and Solidago species.
Adult Food: Flower nectar.
Habitat: Rocky slopes, benches, and rockslides at or above treeline.
Range: Rare. British Columbia and Alberta south in the mountains to California and Colorado.
Conservation: Not usually required.
NCGR:
Management Needs: None reported.
Comments: NULL
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Verified Sightings
Displaying 25 - 48 of 124 verified sightings
Observation date: unknown
Submitted by: BAMONA
Region:
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: Aug 16, 1990
Submitted by: legacy.reporter (R. Schryver, P. Thompson)
Region: Mono County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Aug 02, 2010
Observation date: Aug 08, 1969
Submitted by: legacy.reporter (J. Emmel, O. Shields)
Region: Mono County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Jul 20, 1974
Submitted by: legacy.reporter (James A. Scott)
Region: Alpine County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Jul 14, 1974
Submitted by: legacy.reporter (James A. Scott)
Region: Mono County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Aug 06, 1972
Submitted by: legacy.reporter (Peter Herlan)
Region: Alpine County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 06, 2010
Observation date: Jul 27, 1921
Submitted by: legacy.reporter (George Malcolm)
Region: Mono County, California, United States
Verified by: legacy.verifier (J. A. Comstock)
Verified date: Jan 04, 2010
Observation date: Jul 14, 1960
Submitted by: legacy.reporter (Stallings & Turner)
Region: Tuolumne County, California, United States
Verified by: legacy.verifier (William H. Howe)
Verified date: Dec 17, 2009
Observation date: Jul 23, 1933
Submitted by: legacy.reporter (no name)
Region: Mono County, California, United States
Verified by: legacy.verifier (William H. Howe)
Verified date: Dec 17, 2009
Observation date: Aug 25, 1991
Submitted by: legacy.reporter (John F. Emmel)
Region: Mono County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 16, 2009
Observation date: Aug 08, 1933
Submitted by: legacy.reporter (John S. Garth)
Region: Tuolumne County, California, United States
Verified by: legacy.verifier (Garth & Tilden)
Verified date: Dec 16, 2009
Observation date: Jul 31, 1958
Submitted by: legacy.reporter (Oakley Shields)
Region: Tuolumne County, California, United States
Verified by: legacy.verifier (Garth & Tilden)
Verified date: Dec 16, 2009
Observation date: Aug 08, 1960
Submitted by: legacy.reporter (Oakley Shields)
Region: Tuolumne County, California, United States
Verified by: legacy.verifier (Garth & Tilden)
Verified date: Dec 16, 2009
Observation date: Jul 13, 1976
Submitted by: Ken Davenport (Ken Davenport)
Region: Mono County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 16, 2009
Observation date: Jul 31, 1957
Submitted by: legacy.reporter (Oakley Shields)
Region: Tuolumne County, California, United States
Verified by: legacy.verifier (Garth & Tilden)
Verified date: Dec 16, 2009
Observation date: Jun 25, 1961
Submitted by: legacy.reporter (Oakley Shields)
Region: Tuolumne County, California, United States
Verified by: legacy.verifier (Garth & Tilden)
Verified date: Dec 16, 2009
Observation date: Aug 06, 1933
Submitted by: legacy.reporter (John S. Garth)
Region: Madera County, California, United States
Verified by: legacy.verifier (Garth & Tilden)
Verified date: Dec 16, 2009
Observation date: Aug 15, 2006
Submitted by: rickypatterson (Ricky Patterson)
Region: Mono County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 16, 2009
Observation date: Jul 07, 1987
Submitted by: Ken Davenport (Ken Davenport)
Region: Mono County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 16, 2009
Observation date: Jul 17, 1931
Submitted by: legacy.reporter (J. W. Tilden)
Region: Tuolumne County, California, United States
Verified by: legacy.verifier (Garth & Tilden)
Verified date: Dec 16, 2009
Observation date: Aug 01, 1958
Submitted by: legacy.reporter (John S. Garth)
Region: Tuolumne County, California, United States
Verified by: legacy.verifier (Garth & Tilden)
Verified date: Dec 16, 2009
Observation date: Aug 24, 1958
Submitted by: legacy.reporter (Oakley Shields)
Region: Tuolumne County, California, United States
Verified by: legacy.verifier (Garth & Tilden)
Verified date: Dec 16, 2009
Observation date: Aug 03, 1975
Submitted by: Ken Davenport (Ken Davenport)
Region: Mono County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 16, 2009
Observation date: Jul 12, 1994
Submitted by: Ken Davenport (Ken Davenport)
Region: Mono County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 16, 2009
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