Bui. 94, Part I, Bureau of Entomology, U. S. Dept. of Agriculture. 
Plate II. 
Fig. 1. Fig. 2. 
Work of the Chestnut Telephone-pole Borer. 
Fig. 1.— Gallery of the chestnut telephone-pole borer, showing pupal chamber with the en- 
trance plugged with excelsior-like wood fibers; work near base of pole, below ground. 
Fig. 2.— Mines of the chestnut telephone-pole borer near surface of ground. Natural size. 
(Original.) 
