RHYNCOPHORA 



197 



their injuries. Spraying with an arsenical sokition has 

 been found to be useful, and if the plum trees are thoroughly 

 sprayed once soon after the bloom has fallen and again ten 



Fig. 144. — Larger chestnut weevil (Balaninus proboscideus): a, larva; 

 h, c, female pupa; d, eggs. All enlarged. (Chittenden, Div. Ent., U. S. 

 Dept. Ag.) 



Fig. 145 Fig. 146 



Fig. 14,5. — Balaninus proboscideus: head of larva, much enlarged. (Chit- 

 tenden, Div. Eut., U. S. Dept. Ag.) 



Fig. 146. — Pecan weevil (Balaninus caryce): o, female, dorsal view 

 b, same, lateral view, in outline; c, head with rostrum and antenna of^male. 

 About two and one-half times size. (Chittenden, Div. Hint., U. S. Dept. 

 Ag.) 



days later, it will greatly help in securing perfect fruit. 

 Some experiments have shown extremely valuable results 

 in this direction. 



