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



Plate 



Fig. 1. 



-Mesa near Koehler, N. Mex.. with Characteristic Vegetation- 

 Grass, Artemisia frigida, and Gutierrezia sp. (Origina_. 



■GRiVA 



-Pasture on the C. S. Ranch Nearly Destroyed by New Mexico Ran; 

 Caterpillar. Vegetation Mainly Grama Grass. Original. 



Fig. 3.— Egg Masses of the New Mexico Range Caterpillar H 

 on a Singi e Plant of Range Grass: Male Moth in Resting Po 





