Genus Parnassius Latreille (the Parnassians)

What has been said of the family will suffice to characterize the genus.

(1) Parnassius smintheus Doubleday & Hewitson, Plate CXI, Fig. 1, ♂; Fig. 2, ♀ (The Colorado Parnassian).

This is a somewhat variable species, but may easily be recognized by the figures we give. Expanse ♂, 2.00-2.50; ♀, 2.25-3.00 inches.

Ranges from New Mexico and Colorado west to California and north to Montana. The caterpillar feeds upon Sedum and Saxifraga.