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Weidemeyer's Admiral
Butterfly.--Superficially like arthemis, but easily distinguished by the absence of the lunulate marginal bands of blue on the margins of the hind wings and by the presence of a sub-marginal series of white spots on both wings. Expanse, 3.00 inches.
Early Stages.--These have been described by W. H Edwards in the "Canadian Entomologist," vol. xxiv, p. 107, and show great likeness to the following species, B. disippus. The caterpillar feeds upon cottonwood (Populus).
The insect is found on the Pacific slope and eastward to Montana, Nebraska, and New Mexico.