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Plain Fritillary

Plate XIII — Plain Fritillary is Fig. 10
Plate XIII — Plain Fritillary is Fig. 10

Butterfly, male.--This species resembles A. rupestris in its markings, but is somewhat paler, the black margins are heavy and the black markings on the disk comparatively light; the base of the wings is obscured with fuscous. On the under side the fore wings are cinnamon-brown, with the apical area buff. The hind wings are reddish-brown, with the marginal band clear buff. All the spots are buff, and completely devoid of silvery scales.

female.--Paler than the male on the upper side. The fore wings on the under side are orange-fulvous; the hind wings are pale greenish-brown, mottled with buff. In some specimens a few silver scales are found on the submarginal spots. Expanse, male, 2.50 inches; female, 2.70 inches.

Early Stages.--Unknown.

This butterfly, which is as yet not very common in collections, is found in California and Nevada.