LONG HORNED BEETLES. 



113 



of the male are more than twice the length of the body, which 

 measures from three-quarters of an inch to one and a quarter 

 inch in length. 



The larva of this beetle feeds in the wood of hickory and 

 walnut. Here it forms long galleries in the trunk in the direc- 

 tion of the fibers of the wood, and in such a gallery it later under- 

 goes the transformations to a pupa and adult. 



Besides the trees mentioned above as furnishing food to 

 these larva?, others are equally infested, as the oaks ; even plum 

 and apple trees do not escape. 



Fig. 119. — Cbion cinctus, Drury. — After 

 Harris. 



Fig. 1 2 1 V2. — Cylleaedecorus, Oliv.- 

 After Leconte. 



OAK PRUNER. 



(Elaphidion parallelum Newm.). 



The name "oak-primer" does not mean that the larvae of 

 these destructive beetles devote all their attention to oaks ; they 

 are also found in the apple, hickory, cherry, and other trees. The 

 name "primer" is very descriptive as the larva;, when nearly full 

 grown, girdle the twigs and branches inhabited by them from the 

 inside, not the outside, so that the first high wind of autumn and 



