Description
The Olympia Marble (Euchloe olympia) is a delicate butterfly with white wings adorned with marbled green markings on the undersides and faint black spots on the upper forewings, commonly found in open grasslands, rocky slopes, and prairies across parts of central and eastern North America.
Range
Mainly at the transition zone between forest and prairie ecosystems, in a band roughly from Winona to Detroit Lakes.
Similar Species
Large Marble but the range doesn’t overlap with Olympia.
Host Plants
Rock Cress (Arabis spp.)
Flight
April and May