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Juvenal's Dusky-Wing (Thanaos juvenalis Than'a-os)

Thanaos juvenalis (Than'a-os ju-ve-na'lis) PLATE XLV, FIG. 6 The wings are dark brown marked with brown spots of a darker shade, and with small white spots on the fore wings. This insect can be distinguished from the preceding species, which it most closely resembles of all our Eastern species, by its larger size, and the fact that the checkered appearance of the wings is less obvious. Expanse of wings about one and one-half inches.

It has been found throughout the eastern United States except perhaps the Northwest.

The larva feeds on oak.