Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

  Sighting 1411063

Large Marble
Euchloe ausonides

Observation date: May 19, 2008
Submitted by: Dwaine Wagoner
Specimen type: Photograph
Observation notes: None.
Status: Resident
Verified by: J_Martineau
Verified date: August 11, 2025
Coordinator notes: Difficult to separate from E. lotta without seeing the costa on the upperside of the forewing. E. ausonides has far more black overscaling. Luckily a small portion is visible in your image.
Checklist region(s): United States, Wyoming, Natrona County