Bui. 95, U. S. Dept. of Agriculture. 



Plate II. 



Fig. A.— Sugar-Pine Cones Attacked by the Cone Beetle at Different Stages 

 of Growth of the Cone. (Original.) 



[The longer cone, which is about 11 inches long, resisted attack, while the others were killed.] 



Fig. B.— Longitudinal and Transverse Sections of Sugar-Pine Cones, Natural 

 Size, Showing Primary Egg Galleries, B1, Made by the Cone Beetle. 

 (Original.) 



WORK OF THE CONE BEETLE IN SUGAR PINE. 



