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Columbian Silk-moth

Samia columbia

This species, which is well represented in our plate, may be discriminated from its allies by its smaller size, and by the absence of the reddish outer shading of the transverse white line which crosses the wings about their middle. It ranges from Maine to Wisconsin, never, so far as is known at present, ranging south of the forty-first parallel of north latitude. While closely allied to S. gloveri, it is much smaller, and the larva shows marked differences. The caterpillar feeds upon the larch.