Appearance: Above, white with black forewing cell bar and black shadowing at wing tips. Below, sparse yellow-green marbling on hind wing (much less than on Large Marble).
Size: Medium; 1 3/8 to 2 inches
Habitat: Grasslands in foothills and plains
Season: April to early July
Larval Foodplant: Rock cress and crucifers
Did You Know…
Fresh individuals may show a pink tint in the wings when perched.
Species Gallery (click to enlarge)