INSECT PESTS AND THEIR CONTROL 



997 



First application shortly after fruit sets; second, about ten days later, and 

 third, when the fruit is about half grown or when the second brood eggs 

 are hatching. 



Bur. Ent, Bull. 116, Pt. 2, Farm. Bull. 284. 



Grape Leaf Hopper (Typhlocyba comes, Say.). — This active little 



Injury to Grapes by Larvae of Second Brood of Grape- 

 Berry Moth. 1 



Just previous to harvesting of fruit. 



hopper is known in all parts of the country where grapes are grown. It 

 is yellowish in color, marked with green stripes. The leaves of the grapes 

 are injured by the puncture made by the hopper in feeding on the under 

 side of the leaf, causing them to turn spotted and yellow and finally fall off. 

 Treatment. — Spray the- vines thoroughly about the first week in July, 

 when the maximum number of young hoppers are on the leaf, with a 



iBur. Ent. Bull. 116, Pt. 2. 



