INSECT PESTS AND THEIR CONTROL 243 



coal tar creosote. Spray the trees in the spring with arsenate of lead as 

 soon as the eggs hatch, using 10 pounds to 100 gallons of water. 



Bur. Ent. Bull. 87; Farm. Bull. 564. 



The Grape Berry Moth (Polychrosis viteana, Clem.). A larva about 



GRAPE BERRY MOTH 

 (Polychrosis viteana). 1 



1 and 2 Adult, or moth. 3 Full grown larvae. 4--Pupse. 

 All greatly enlarged. 



one-fourth of an inch long, works in the berry of grape, webbing several 

 together. It is the cause of most of the wormy grapes in the eastern 

 sections of the country. 



Treatment. Spray with arsenate of lead, 6 pounds to 100 gallons. 



i Bur. Ent. Bull. 115. 



