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Ruddy Silver-spot
Butterfly.--Very much like aphrodite, from which it may be most easily distinguished by the fact that the hind wings are uniformly dark cinnamon-brown, without any band of buff on the outer margin. Expanse, 2.50-3.00 inches. The insect flies from late June to the end of August.
Egg.--Greenish, conodial, with about eighteen vertical ribs.
Caterpillar.--Head black, yellowish behind. The body velvety-black, ornamented with black spines which are yellowish at their basal ends. The caterpillar feeds on violets.
Chrysalis.--Reddish-brown or gray, irregularly mottled and striped with black, the abdominal segments slaty-gray, marked with black on the edges where the short angular projections are located.
This butterfly is found in the Western States, extending from the prairie lands of northwestern Ohio to Montana. It largely replaces aphrodite in these regions.