INSECTS INJURIOUS TO THE GRAPE 



535 



appear in the spring about the time the grapes blossom and feed 

 upon the foliage for three or four weeks until the berries are about 



FIG. 385. The grape curculio (Craponius inaequalis Say): a, beetle; 6, head 

 of same from side; d, larva from above; e, same from below; /, pupa 

 all much enlarged. (After Quaintance, U. S. Dept. Agr.) 



one-fourth grown. The beetles cut small characteristic holes in 

 the leaves, and this habit of feeding on the foliage so long makes 

 it possible to kill them with arsenicals before oviposition is com- 



FIG. 386. The grape curculio FIG. 387. Grape curculio larvae 



in act of egg-layingnatural natural size. (After Brooks.) 



size ; e, showing position 

 of egg in grape enlarged. 

 (After Brooks.) 



menced. In West Virginia the females begin egg-laying late 

 in June, most of the eggs being laid in early July, but egg 



