How to Know the Butterflies

The Cornell classic that taught America to name what it saw: every eastern butterfly described from life, with its caterpillar, its food-plants, its habits — and how to pronounce its Latin.

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Lucilius's Dusky-Wing (Thanaos lucilius Than'a-os)

Thanaos lucilius (Than'a-os lu-cil'i-us) PLATE XLV, FIG. 4 The wings are dark brown above with a row of small white spots just before the apex of the fore wings and a single one in cell M.. The fore wings are crossed just beyond the middle by a transverse paler band, which is fairly well defined; this is the most important characteristic distinguishing this species from the following. Expanse of wings from one and onetenth to one and one-fourth inches. This species is found in the Atlantic States.

The larva feeds on the wild columbine and on pigweed. 1 3 5 XXXX XXXX 7 Plate XLV. 2 4 6 8

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← The Dreamy Dusky-Wing (Thanaos icelus Than'a-os)Persius's Dusky-Wing (Thanaos persius Than'a-os) →