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Giant Gray Sphinx

Pseudosphinx tetrio

Plate VI — Giant Gray Sphinx is Fig. 2
Plate VI — Giant Gray Sphinx is Fig. 2

The larva of this hawkmoth has a long thread-like anal horn. It is very strikingly colored, the body being purplish black, girdled with yellow rings between the segments, and the head and anal claspers being bright red, of the coior of sealing wax. It feeds upon various Euphorbiaceous plants, preferably Plumeria. The insect occurs not uncommonly in southern Florida.