"The underside varies from white with a light yellowish sometimes ochraeeous tinge to deep chrome-yellow; markings as in the male but still more variable; in var. "catilla" the spot at the apex of the cell in both fore and hind wings is enlarged into a large reddish blotch, the similar spot on the hind wing is sometimes so enlarged as to occupy the apex of the cell, the basal two-thirds of interspaces 4, 5, and 6, and the middle third of interspace 7; in some specimens it is continued posteriorly in a series of obscure lunules to interspace 1a. Antennae red, obscurely dotted with black, palpi and head above red, thorax clothed with long yellow, sometimes greenish hairs, abdomen pale yellow; beneath: palpi and thorax pale to dark yellow, abdomen white."