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
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Verified Sightings
Displaying 1 - 24 of 603 verified sightings
Observation date: May 11, 2023
Submitted by: robertw017
Region: Ontario, Canada
Verified by: jmgesell
Verified date: May 14, 2023
Observation date: Jun 27, 2022
Submitted by: Lyle R
Region: Larimer County, Colorado, United States
Verified by: mikefisher
Verified date: Feb 19, 2023
Observation date: May 16, 2022
Submitted by: Aevi
Region: Wexford County, Michigan, United States
Verified by: jwileyrains
Verified date: Sep 01, 2022
Observation date: Apr 30, 2022
Submitted by: WYbutterflyer1
Region: Fremont County, Colorado, United States
Verified by: mikefisher
Verified date: Jun 26, 2022
Observation date: May 07, 2022
Submitted by: SteveSass
Region: Porter County, Indiana, United States
Verified by: jmgesell
Verified date: Jun 21, 2022
Observation date: May 11, 2022
Submitted by: TEB
Region: Ontario, Canada
Verified by: jmgesell
Verified date: May 17, 2022
Observation date: Apr 12, 2021
Submitted by: Jared Gorrell
Region: Morgan County, Illinois, United States
Verified by: rogerdowner
Verified date: May 10, 2022
Observation date: May 30, 2021
Submitted by: J_Martineau
Region:
Verified by: J_Martineau
Verified date: Nov 04, 2021
Observation date: Apr 07, 2021
Submitted by: ncrosbyrd
Region: Madison County, North Carolina, United States
Verified by: Dennis Forsythe
Verified date: Oct 06, 2021
Observation date: Mar 30, 2019
Submitted by: Mark Salvato
Region: Crosby County, Texas, United States
Verified by: stomlins701
Verified date: Sep 11, 2021
Observation date: Mar 31, 2019
Submitted by: Mark Salvato
Region: Crosby County, Texas, United States
Verified by: stomlins701
Verified date: Sep 11, 2021
Observation date: May 05, 2021
Submitted by: Donna78
Region: Anoka County, Minnesota, United States
Verified by: Tom Middagh
Verified date: May 29, 2021
Observation date: May 10, 2021
Submitted by: jhinz3571
Region: Monroe County, Wisconsin, United States
Verified by: Tom Middagh
Verified date: May 29, 2021
Observation date: May 10, 2021
Submitted by: Karen B
Region: Ontario, Canada
Verified by: jwileyrains
Verified date: May 16, 2021
Observation date: May 10, 2021
Submitted by: Karen B
Region: Ontario, Canada
Verified by: rosslayberry
Verified date: May 14, 2021
Observation date: May 05, 2021
Submitted by: Ed Rothwell
Region: Allegan County, Michigan, United States
Verified by: rosslayberry
Verified date: May 07, 2021
Observation date: Apr 28, 2021
Submitted by: amparrish15
Region: Lake County, Illinois, United States
Verified by: rogerdowner
Verified date: Apr 30, 2021
Observation date: Apr 25, 2020
Submitted by: Jacksenzig
Region: Juneau County, Wisconsin, United States
Verified by: Tom Middagh
Verified date: Feb 27, 2021
Observation date: May 15, 2020
Submitted by: terrymortier
Region: Burnett County, Wisconsin, United States
Verified by: Tom Middagh
Verified date: Feb 27, 2021
Observation date: Apr 03, 2016
Submitted by: rosacmchenry@sb...
Region: Kingman County, Kansas, United States
Verified by: azukoff
Verified date: Nov 23, 2020
Observation date: May 18, 2014
Submitted by: cjbruchman
Region: Lake County, Illinois, United States
Verified by: rogerdowner
Verified date: Jul 21, 2020
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
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