LARGE MARBLE
Euchloe ausonides
Whites
Goshawk Ridge Trail, Boulder County
View Species Gallery
Appearance: Hindwing underneath white with yellow veins and dark green marbling cutting across the veins. Tip of white forewing beneath similarly patterned. Above has forewing white with black patterning at tip and black cell end bar.
Size: Medium, though can be smaller than 1-1/2 to 2 inches
Habitat: Frequents wide variety of open habitats, meadows and forest openings and frequently seen flying low along streams sides and trails
Season: May to late July
Larval Foodplant: Mustard family plants
Did You Know...
With magnification the green marbling is revealed to be due to green and black scales in close proximity (Pyle, 2002).