Plate 1. — The Locust Borer, Cyllene rotiniae. 



Fig. 1.— Eggs in the bark crevices. Fig. 4.— The hibernating larvae in the 



Fig. 2. — Eggs in situ, greatly enlarged. bark. 



Fig. 3.— The adult beetle, slightly en- Fig. 5.— Larval mines in a locust trunk, 



larged. Fig. 6.— An egg, in situ, filled with boring 



[98] dust. 



