38 



FARMEES BULLETTN 843. 



DESCRIPTION. 



The beetle, as represented in figure 44, is oval and flattened and 

 about one-half inch in length, but the size is somewhat variable. 



The antennae, or "feelers," are short 

 and toothlike, the eyes rather large, 

 and each leg of the first pair is armed 

 in front with a conspicuous tooth. 

 The upper surface has a brownish 

 metallic luster, the color of the un- 

 derside is coppery bronze, and the 





FIG. 45. The flat-headed apple-tree borer: Larva 

 in its burrow. Enlarged. 



FIG. 44. The flat-headed apple-tree borer (CTiry- 

 sobothrisfemorata): Parent beetle. Enlarged. 



part of the body underneath the 

 wing covers is bright metallic green- 

 ish blue. The markings on the back ? 

 or wing covers, are well shown in 

 the illustration. 



The larva (fig. 45) when full grown is about an inch long, without 

 legs, and yellowish white. The second thoracic segment is much 

 broadened and compressed, giving the larva the appearance of having 

 a large flattened head. The larvae within their galleries always assume 



a curved position, somewhat as is shown 

 in the figure. 



The pupa (fig. 46) is also yellowish 

 white, somewhat more yellow than the 

 larva, and it shows the undeveloped ap- 

 pendages and structures of the adult 

 beetle. 



FIG. 46. The flat-headed apple-tree 

 borer: Pupa, ventral and dorsal views. 

 Enlarged. 



SEASONAL HISTORY AND HABITS. 



The beetles are to be found in pocan 

 orchards from March to November, but 

 they are especially abundant at two 

 periods, namely, during May and 

 from the middle of August until mid- 



