Bui. 85, Part V, Bureau of Entomology, U. S. Dept. of Agriculture. 



Plate III. 



Fig. 1.— Mesa near Koehler, N. Mex., with Characteristic Vegetation— Grama 

 Grass, Artemisia frigida, and Gutierrezia sp. (Original.) 



Fig. 2— Pasture on the C. S. Ranch Nearly Destroyed by New Mexico Range 

 Caterpillar. Vegetation Mainly Grama Grass. (Original.) 



Fig. 3.-Egg Masses of the New Mexico Range Caterpillar (Hemileuca olivine' 

 on a Single Plant of Range Grass; Male Moth in Resting Position. (Original.) ' 



