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.
Comments: NULL
Verified Sightings
Displaying 1 - 24 of 446 verified sightings
Observation date: Apr 10, 2021
Submitted by: guy_incognito
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Apr 11, 2021
Observation date: Apr 08, 2021
Submitted by: ENordin
Region: Inyo County, California, United States
Verified by: Ken Davenport
Verified date: Apr 10, 2021
Observation date: Jul 05, 2020
Submitted by: WYbutterflyer1
Region: Carbon County, Wyoming, United States
Verified by: J_Martineau
Verified date: Feb 16, 2021
Observation date: May 20, 2006
Submitted by: heinert
Region: Billings County, North Dakota, United States
Verified by: stevekohler
Verified date: Feb 03, 2021
Observation date: Jul 27, 2019
Submitted by: pstensli
Region: North Dakota, United States
Verified by: stevekohler
Verified date: Feb 03, 2021
Observation date: Jul 25, 2020
Submitted by: J_Martineau
Region: Big Horn County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jan 14, 2021
Observation date: May 28, 2020
Submitted by: Birder2
Region: Sherman County, Oregon, United States
Verified by: Ken Davenport
Verified date: Nov 12, 2020
Observation date: Apr 17, 2020
Submitted by: Nature Man 6
Region: Socorro County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 27, 2020
Observation date: Jun 14, 2020
Submitted by: Pheasantboy77
Region: Dawson County, Montana, United States
Verified by: J_Martineau
Verified date: Jul 20, 2020
Observation date: May 02, 2020
Submitted by: Tim Shortell
Region: Mesa County, Colorado, United States
Verified by: mikefisher
Verified date: Jun 14, 2020
Observation date: May 16, 2019
Submitted by: XplorMor Intern...
Region: Inyo County, California, United States
Verified by: Ken Davenport
Verified date: Jun 08, 2020
Observation date: May 23, 2020
Submitted by: razmakat
Region: Douglas County, Washington, United States
Verified by: davidwdroppers
Verified date: May 28, 2020
Observation date: May 23, 2020
Submitted by: Brush_lady
Region: Benton County, Washington, United States
Verified by: davidwdroppers
Verified date: May 24, 2020
Observation date: May 10, 2020
Submitted by: 00sheppard
Region: Washoe County, Nevada, United States
Verified by: Ken Davenport
Verified date: May 10, 2020
Observation date: Apr 17, 2020
Submitted by: gadzooks58
Region: Yakima County, Washington, United States
Verified by: davidwdroppers
Verified date: Apr 20, 2020
Observation date: Apr 01, 2020
Submitted by: ASchmierer
Region: Clark County, Nevada, United States
Verified by: Ken Davenport
Verified date: Apr 13, 2020
Observation date: Mar 08, 2020
Submitted by: J Tinsman
Region: Clark County, Nevada, United States
Verified by: Ken Davenport
Verified date: Mar 09, 2020
Observation date: May 20, 2018
Submitted by: gasigr
Region: Wasco County, Oregon, United States
Verified by: Ken Davenport
Verified date: Dec 06, 2019
Observation date: Jul 08, 2017
Submitted by: gasigr
Region: Wasco County, Oregon, United States
Verified by: Ken Davenport
Verified date: Dec 06, 2019
Observation date: Jun 02, 2018
Submitted by: gasigr
Region: Wasco County, Oregon, United States
Verified by: Ken Davenport
Verified date: Dec 06, 2019
Observation date: May 20, 2018
Submitted by: gasigr
Region: Wasco County, Oregon, United States
Verified by: Ken Davenport
Verified date: Dec 06, 2019
Observation date: May 12, 2018
Submitted by: gasigr
Region: Wasco County, Oregon, United States
Verified by: Ken Davenport
Verified date: Dec 06, 2019
Observation date: Apr 14, 2019
Submitted by: J Tinsman
Region: Clark County, Nevada, United States
Verified by: Ken Davenport
Verified date: Sep 15, 2019
Observation date: Mar 02, 2019
Submitted by: Doug Taron
Region: Riverside County, California, United States
Verified by: Doug Taron
Verified date: Sep 05, 2019
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