Bui. 94, Part I, Buieau ol Entomology, U. S Depl. of Agriculturi 



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.) 



