California Marble
Euchloe hyantis (W.H. Edwards, 1871)
Family: Pieridae
Subfamily: Pierinae
Identification: Upperside of forewing with narrow cell bar very close to edge of wing. Cell bar usually devoid of white scales. Underside cream-white; hindwing with yellow-green to green marbling.
Wing Span: 1 - 1 1/4 inches (2.8-3.7 cm).
Life History: Males patrol near host plants or on hilltops for receptive females. Eggs are laid singly under host plant leaves; flowers and fruits are the preferred food of the caterpillars. Chrysalids hibernate.
Flight: One flight from April- early July.
Caterpillar Hosts: Plants in the mustard (Brassicaceae) family, especially Jewel-flower (Streptanthus) species.
Adult Food: Flower nectar including that of hosts and others such as tansy-mustard or pussy-paws.
Habitat: Rocky canyons, cliffs, moraines, gravelly flats.
Range: Southern Oregon south through California west of Sierra Nevada crest to northern Baja California.
Conservation:
NCGR: Euchloe hyantis andrewsi has The Nature Conservancy Global Rank of T1 - Critically imperiled globally because of extreme rarity (5 or fewer occurrences, or very few remaining individuals). Development and threat from invasive alien weeds are also of concern.
Management Needs: Manage habitat with host plants.
Comments: NULL
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Verified Sightings
Displaying 1 - 24 of 175 verified sightings
Observation date: Apr 10, 2024
Submitted by: icosahedron
Region: Sonoma County, California, United States
Verified by: Ken Davenport
Verified date: Jun 19, 2024
Observation date: May 01, 2024
Submitted by: butterflies4us
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: May 03, 2024
Observation date: May 01, 2024
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: May 02, 2024
Observation date: May 29, 2023
Submitted by: guy_incognito
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: May 30, 2023
Observation date: May 29, 2023
Submitted by: guy_incognito
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: May 30, 2023
Observation date: May 27, 2023
Submitted by: dkaralun
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: May 27, 2023
Observation date: May 02, 2021
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: May 21, 2021
Observation date: Mar 22, 2020
Submitted by: gasigr
Region: Josephine County, Oregon, United States
Verified by: Ken Davenport
Verified date: Apr 05, 2020
Observation date: Mar 22, 2020
Submitted by: gasigr
Region: Josephine County, Oregon, United States
Verified by: Ken Davenport
Verified date: Apr 05, 2020
Observation date: Jun 30, 2019
Submitted by: ncrosbyrd
Region: Jackson County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jul 14, 2019
Observation date: Jul 04, 2019
Submitted by: Lisahug
Region: Plumas County, California, United States
Verified by: Ken Davenport
Verified date: Jul 13, 2019
Observation date: Apr 26, 2019
Submitted by: icosahedron
Region: Sonoma County, California, United States
Verified by: Ken Davenport
Verified date: May 03, 2019
Observation date: Apr 12, 2009
Submitted by: Lisahug
Region: Sonoma County, California, United States
Verified by: Ken Davenport
Verified date: Oct 08, 2017
Observation date: Apr 03, 2017
Submitted by: icosahedron
Region: Sonoma County, California, United States
Verified by: Ken Davenport
Verified date: Apr 08, 2017
Observation date: Jun 20, 2015
Submitted by: Bixia
Region: Alpine County, California, United States
Verified by: Ken Davenport
Verified date: Jul 11, 2015
Observation date: Jun 12, 2015
Submitted by: PJNosler
Region: Jackson County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jun 13, 2015
Observation date: unknown
Submitted by: RaisingButterfl... (Todd Stout)
Region: United States
Verified by: BAMONA
Verified date: Sep 06, 2011
Observation date: unknown
Submitted by: RaisingButterfl... (Todd Stout)
Region: United States
Verified by: BAMONA
Verified date: Sep 06, 2011
Observation date: Jun 07, 1979
Submitted by: legacy.reporter (Jim Brock)
Region: San Bernardino County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: May 01, 2011
Observation date: Apr 29, 1963
Submitted by: legacy.reporter (unknown)
Region: Shasta County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: May 01, 2011
Observation date: May 03, 1980
Submitted by: legacy.reporter (unknown)
Region: Nevada County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: May 01, 2011
Observation date: Mar 16, 1980
Submitted by: legacy.reporter (unknown)
Region: Placer County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: May 01, 2011
Observation date: Apr 28, 1986
Submitted by: legacy.reporter (M. Douglas)
Region: Ventura County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Mar 28, 1986
Submitted by: legacy.reporter (William Swisher)
Region: San Luis Obispo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
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