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Zolicaon
Butterfly.--This species is somewhat nearly related to the preceding, but may at once be distinguished from it by the broader black borders of the wings, the deeper black on the upper side, and the longer tails of the secondaries. The figure given in the plate is only two thirds of the natural size.
Early Stages.--These have been fully described by Edwards, and are shown to be much like those of P. asterias. The caterpillar, like that of the last-mentioned species, feeds upon the Umbelliferae.
Zolicaon ranges southward from Vancouver's Island to Arizona, and eastward to Colorado. It is more abundant in the valleys and foot-hills than on the sierras.