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Tulip-tree Silk-moth
This species may easily be discriminated from the last named by the fact that the males are not without discal spots as in that species, but have large angular white spots, causing them to resemble in this respect the females of C. promethea. The larva feeds commonly on the tulip-poplar (Liriodendron). The cocoon is not suspended from the twigs, as in the case of C. promethea.
The only other species of the genus, which occurs in our fauna, is Callosamia calleta Westwood, which may be differentiated from the two foregoing species by the fact that it has a whitish band on the collar and at the base of the thorax.