Elementary entomology ([c1912]) Elementary entomology elementaryentomo00sand Year: [c1912] FIG. 264. The blue swallowtail butterfly (Laertias philcno)}. (Reduced one fifth) (Photograph by Fiske) prominent in the females. The caterpillar is green, banded with black and spotted with yellow, and feeds on celery, parsley, parsnips, and nearly related plants. Like other caterpillars of this FIG. 265. Caterpillar of the troilus butter- fly (Papilio troilus} (Photograph by \Yeed)


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