Attributes of Euchloe hyantis

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.
Taxonomy Notes:

Images of Euchloe hyantis

Click on an image to view full size and to see additional details.

Euchloe hyantis - hyant3.jpg

Euchloe hyantis - hyant3.jpg


The map below displays all BAMONA data for this species and has three different data layers:
1. All records (yellow dots)   2. Recently verified records (orange dots)*   3. US county records (purple)

There are also three base layers: 1. Satellite    2. Normal   3. Hybrid

How to use the map:
Click on the map and move your mouse to pan.
Zoom by using the plus [+] and minus [-] on the left side of the map.
To change which map layers are displayed, click on the plus sign [+] on the right side of the map and turn on/off the data layers and base layers.

*The orange dots on the map provide access to information about the 400 most recently verified sightings of this species. Sometimes, there are several records at the same location. Use the table view to access these records.

By default, the fifty most recently verified sightings are below. Sort by Observation Date to see the most recent sightings, or filter the sightings by region to get a regional list.

See more recently verified sightings of all species.

You don't have Javascript enabled. Hover for more information! But don't worry: you can still use this web site! You have two options:
  • enable Javascript in your browser and then refresh this page, for a much enhanced experience.
  • click the Update button every time you want to update the selection.
Observation Date Submitter Region Verified Datesort icon
January 01, 1950 legacy.reporter Modoc County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Lassen County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Plumas County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Sierra County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Nevada County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Placer County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter El Dorado County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Alpine County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Amador County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Kern County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Los Angeles County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter San Bernardino County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Riverside County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Butte County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Calaveras County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Colusa County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Del Norte County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Fresno County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Glenn County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Humboldt County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Inyo County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Lake County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Madera County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Mendocino County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Merced County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Napa County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Orange County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter San Diego County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter San Luis Obispo County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Santa Barbara County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Shasta County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Siskiyou County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Solano County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Sonoma County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Tehama County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Trinity County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Tulare County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Tuolumne County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Ventura County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Yolo County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Yuba County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Imperial County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Sacramento County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Mono County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Baja California Norte, Mexico December 31, 2004 Details
January 01, 1950 legacy.reporter Sonora, Mexico December 31, 2004 Details
January 01, 1950 legacy.reporter Douglas County, Nevada, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Josephine County, Oregon, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Jackson County, Oregon, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Klamath County, Oregon, United States December 31, 2004 Details