Bui. 184, U. S. Dept. of Agriculture. 



Plate IV. 



Fig. 1.— Row of Huisache Trees only Slightly Damaged by the Huisache Girdler. 



(Original.) 



Fig. 2.— Street Scene in Which Huisache Trees Have Been Damaged by the 

 Huisache Girdler. (Original.) 



WORK OF THE HUISACHE GIRDLER. 



