Sagebrush Checkerspot
Chlosyne acastus (W.H. Edwards, 1874)
Family: Nymphalidae
Subfamily: Nymphalinae
Identification: Upperside is checkered black, orange-brown, and orange; hindwing has a dark wing base and a light median band. Underside of hindwing has pearly white spots.
Wing Span: 1 1/2 - 2 inches (3.9 - 5.1 cm).
Life History: Males perch and sometimes patrol in gulches 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 months and maybe years to survive bad weather.
Flight: Two broods from June-August.
Caterpillar Hosts: Rabbitbrush (Chrysothamnus viscidiflorus) and aster (Machaeranthera) in the sunflower family (Asteraceae).
Adult Food: Flower nectar.
Habitat: Sagebrush scrub, pinyon-juniper woodlands, dry gulches.
Range: Eastern North Dakota west to eastern Washington, south to New Mexico, southern Arizona, and eastern California.
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. Note:This butterfly includes several subspecies including neomoegeni.
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Verified Sightings
Displaying 289 - 312 of 505 verified sightings
Observation date: Apr 14, 2000
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 16, 2009
Observation date: Apr 24, 1976
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 16, 2009
Observation date: Jun 30, 1950
Submitted by: legacy.reporter (J. W. Tilden)
Region: Mono County, California, United States
Verified by: legacy.verifier (Garth & Tilden)
Verified date: Dec 16, 2009
Observation date: Jun 12, 1980
Submitted by: legacy.reporter (James R. Mori)
Region: Mono County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 16, 2009
Observation date: Jun 22, 2006
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: Jun 20, 2006
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: Jun 21, 2006
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: Apr 10, 1985
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 16, 2009
Observation date: Oct 04, 2001
Submitted by: legacy.reporter (Susan Steele)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 16, 2009
Observation date: Jul 08, 1997
Submitted by: Ken Davenport (Ken Davenport)
Region: Inyo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 16, 2009
Observation date: Mar 22, 1952
Submitted by: legacy.reporter (J. W. Tilden)
Region: San Bernardino County, California, United States
Verified by: legacy.verifier (J. W. Tilden)
Verified date: Oct 15, 2009
Observation date: May 26, 2009
Submitted by: Ken Davenport (Ken Davenport)
Region: Inyo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 11, 2009
Observation date: Apr 11, 2009
Submitted by: Ken Davenport (Ken Davenport)
Region: Inyo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Apr 21, 2009
Observation date: Jun 14, 2008
Submitted by: stevekohler (Steve Kohler)
Region: Broadwater County, Montana, United States
Verified by: legacy.verifier (Steve Kohler')
Verified date: Mar 13, 2009
Observation date: Jun 24, 2008
Submitted by: stevekohler (Steve Kohler)
Region: Sweet Grass County, Montana, United States
Verified by: legacy.verifier (Steve Kohler')
Verified date: Mar 13, 2009
Observation date: Apr 14, 2005
Submitted by: legacy.reporter (Ray & Kit Stanford)
Region: Pinal County, Arizona, United States
Verified by: legacy.verifier (The Lepidopterists' Society Season Summary)
Verified date: Jan 28, 2009
Observation date: Apr 19, 1996
Submitted by: legacy.reporter (Ray E. Stanford)
Region: Navajo County, Arizona, United States
Verified by: legacy.verifier (The Lepidopterists' Society Season Summary)
Verified date: Jan 28, 2009
Observation date: May 01, 2001
Submitted by: legacy.reporter (Ray E. Stanford)
Region: Navajo County, Arizona, United States
Verified by: legacy.verifier (The Lepidopterists' Society Season Summary)
Verified date: Jan 28, 2009
Observation date: Jul 14, 1984
Submitted by: Norbert Kondla (Norbert Kondla)
Region: Chouteau County, Montana, United States
Verified by: legacy.verifier (Norbert Kondla)
Verified date: Feb 04, 2008
Observation date: Jul 12, 2006
Submitted by: stevekohler (Steve Kohler)
Region: Roosevelt County, Montana, United States
Verified by: stevekohler (Steve Kohler)
Verified date: Feb 04, 2008
Observation date: Jun 01, 2007
Submitted by: stevekohler (Steve Kohler)
Region: Jefferson County, Montana, United States
Verified by: stevekohler (Steve Kohler)
Verified date: Feb 04, 2008
Observation date: May 13, 2006
Submitted by: legacy.reporter (Gary Lawson)
Region: Carbon County, Montana, United States
Verified by: stevekohler (Steve Kohler)
Verified date: Feb 04, 2008
Observation date: Jun 15, 2007
Submitted by: stevekohler (Steve Kohler)
Region: Big Horn County, Montana, United States
Verified by: stevekohler (Steve Kohler)
Verified date: Feb 04, 2008
Observation date: Aug 19, 2002
Submitted by: stevekohler (Steve Kohler)
Region: Fergus County, Montana, United States
Verified by: stevekohler (Steve Kohler)
Verified date: Feb 04, 2008
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