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Ceanothus Silk-moth

Samia rubra

Ceanothus Silk-moth — Plate VIII, Fig. 2
Ceanothus Silk-moth — Plate VIII, Fig. 2

The species which is easily separated from its congeners by its small size and prevalently redder cast of coloration, is found on the Pacific coast, ranging eastward to Utah and Wyoming. The larva feeds upon Ceanothus thyrsiflorus.