EXPERIMENT STATION BULLETINS. 



407 



moth. Sometimes it merely mines under the skin. It resembles the 

 codling-moth in many ways, but is smaller. When present it requires 

 a spray of poison, to be applied when the standard winter varieties are 



Fig. 3. Eggs of plant-lice on apple-twigs. 



from 11/2 to 2 inches in diameter. This spraying should be thoroughly 

 done. It may take the place of the second application after the petals 

 fall or an additional spraying may be made. The other regular sprays 

 will also help to keep the Lesser Apple-worm in check. 



Fig. 4. Apples stunted and deformed by rosy-lice and green-lice. 



Plant lice, — of several kinds infest the apple tree, but their effect on 

 the fruit depends largely on weather conditions. The red-bug is also 

 now well distributed over the State. The eggs of both these insects are 

 hatched out by the time the buds turn pink, and at that time tlie plant- 

 lice are easily killed and the adults of the red-bug are unable to fly. If 



