INSECT PESTS AND THEIR CONTROL 245 



solution of 40 per cent nicotine, diluted 1 part to 

 1000 parts water. Clean up trash and weeds in 

 fence corners and practice clean culture generally. 



Dept. Bull. 19. 



The Grape Vine Flea Beetle (Haltica chalybea, 

 111.). A blue metallic beetle about one-fourth of an 

 inch long. It feeds on buds and tender shoots in 

 early spring. The grubs feed later upon the leaves. 



Treatment. Spray with arsenate of lead to kill 

 the adults and grubs on the leaves during May and 

 June. The beetles may be captured hi sheets or pans 

 by jarring the vines. 



New York (Geneva) Exp. Sta. BuU. 331, pp. 494-514. 



The Lesser Apple Worm (Enarmonia prunivora, 

 Walsh). This insect is closely related to the cod- 

 ling moth and has very much the same life history. 



Treatment. Spray as for the codling moth, but 

 take especial pains to make the second spray very 

 thorough, three to four weeks after petals have fallen. 

 Bur Ent. BuU. 68, Pt. 5; Bur. Ent. BuU. 80, Pt. 3. 



The Peach Tree Borer (Sanninoidea exitiosa, Say.) . The larvae of this 

 insect are found at the crown of peach, plum and cherry trees, boring 



GRAPE LEAF HOPPER 

 (Typhlocyba comes). 1 



Adult, winter form. 

 Greatly enlarged. 





LESSER APPLE WORM 

 (Enarmonia prunivora}. 2 



A Adult, or moth. B Same with wings folded. C Larva. D Pupa in 

 cocoon ready for transformation to adult. E Young apple, showing at calyx 

 end empty pupa skin from which moth has emerged. Enlarged about three 

 times. 



Dept. Bull. 19, * Bur. Ent. Bull. 68. 



