Olympia Marble
Euchloe olympia (W.H. Edwards, 1871)
Family: Pieridae
Subfamily: Pierinae
Identification: Underside of hindwing with sparse marbling leaving much white space; pink tinge at upper margin in living butterlfies.
Wing Span: 1 3/8 - 2 inches (3.5 - 5.1 cm).
Life History: Males patrol on hilltops for females. Females lay single egg on flower bud of host plant; caterpillars eat flowers and fruits. Chrysalids hibernate.
Flight: One flight from April-July, early in Texas, later in the north.
Caterpillar Hosts: Various rock cresses (Arabis species) in the mustard family (Brassicaceae).
Adult Food: Flowers of rock cresses, chickweed, phlox, and houstonia.
Habitat: Various open areas including prairies, foothills, lakeshore dunes, shale barrens, meadows, open woodlands.
Range: Southern Canada, central Montana and Colorado, south to central Texas, east through Great Lake states. Isolated populations in Appalachians from Pennsylvania to Tennessee.
Conservation: Protect habitat of isolated populations.
NCGR: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery.
Management Needs: Conserve habitats with host plants and nectar sources.
Comments: NULL
Verified Sightings
Displaying 1 - 24 of 582 verified sightings
Observation date: May 25, 2020
Submitted by: db_ohio
Region: Ontario, Canada
Verified by: rosslayberry
Verified date: Jun 09, 2020
Observation date: Jun 02, 2020
Submitted by: Ed Rothwell
Region: Allegan County, Michigan, United States
Verified by: rosslayberry
Verified date: Jun 03, 2020
Observation date: Apr 22, 2016
Submitted by: Carolyn Ann Schwab
Region: Kingman County, Kansas, United States
Verified by: stomlins701
Verified date: Apr 17, 2020
Observation date: May 25, 2019
Submitted by: Dwaine Wagoner
Region: Natrona County, Wyoming, United States
Verified by: J_Martineau
Verified date: Sep 12, 2019
Observation date: Apr 27, 2019
Submitted by: A_baldini
Region: Larimer County, Colorado, United States
Verified by: mikefisher
Verified date: Jul 24, 2019
Observation date: May 30, 2019
Submitted by: Ssneed
Region: Benzie County, Michigan, United States
Verified by: rosslayberry
Verified date: Jul 12, 2019
Observation date: Jun 06, 2019
Submitted by: Dave Kinney
Region: Wexford County, Michigan, United States
Verified by: rosslayberry
Verified date: Jun 17, 2019
Observation date: May 04, 2019
Submitted by: MaryAnn Friedman
Region: Douglas County, Colorado, United States
Verified by: A_baldini
Verified date: May 18, 2019
Observation date: May 07, 2018
Submitted by: James Barron
Region: Yellowstone County, Montana, United States
Verified by: J_Martineau
Verified date: Oct 22, 2018
Observation date: May 06, 2018
Submitted by: A_baldini
Region: Larimer County, Colorado, United States
Verified by: mikefisher
Verified date: Jun 25, 2018
Observation date: Apr 22, 2010
Submitted by: Tommie Rogers
Region: Cocke County, Tennessee, United States
Verified by: dbruce
Verified date: Jun 09, 2018
Observation date: Mar 19, 2017
Submitted by: Greg Sievert
Region: Le Flore County, Oklahoma, United States
Verified by: stomlins701
Verified date: Mar 13, 2018
Observation date: Apr 05, 2017
Submitted by: RCHARDWAY
Region: Putnam County, West Virginia, United States
Verified by: curtis.lehman
Verified date: Apr 07, 2017
Observation date: Mar 31, 2013
Submitted by: rhedden
Region: Crosby County, Texas, United States
Verified by: stomlins701
Verified date: Jul 02, 2016
Observation date: May 11, 2016
Submitted by: jvkopple2
Region: Kalkaska County, Michigan, United States
Verified by: rosslayberry
Verified date: May 17, 2016
Observation date: Mar 18, 2016
Submitted by: Shirley Wilkerson
Region: Comanche County, Texas, United States
Verified by: stomlins701
Verified date: Mar 21, 2016
Observation date: Jun 01, 2015
Submitted by: dpgbfly1
Region: Crow Wing County, Minnesota, United States
Verified by: Tom Middagh
Verified date: Jan 28, 2016
Observation date: May 01, 2015
Submitted by: SteveSass
Region: Porter County, Indiana, United States
Verified by: Howell_Curtis
Verified date: May 12, 2015
Observation date: Apr 26, 2015
Submitted by: aarongunnar
Region: Jackson County, Wisconsin, United States
Verified by: Tom Middagh
Verified date: May 01, 2015
Observation date: Apr 29, 2015
Submitted by: aarongunnar
Region: Eau Claire County, Wisconsin, United States
Verified by: Tom Middagh
Verified date: May 01, 2015
Observation date: Apr 05, 2015
Submitted by: azukoff
Region: United States
Verified by: azukoff
Verified date: Apr 06, 2015
Observation date: May 18, 2014
Submitted by: Dave Kinney
Region: Wexford County, Michigan, United States
Verified by: elsner
Verified date: Jul 01, 2014
Observation date: Jun 12, 2010
Submitted by: Steven Daniel
Region: Ontario, Canada
Verified by: rosslayberry
Verified date: May 28, 2014
Observation date: May 21, 2014
Submitted by: Steven Daniel
Region: Jefferson County, New York, United States
Verified by: rosslayberry
Verified date: May 27, 2014
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