INSECTS OF THE PLUM 295 



and burn all rubbish. The hibernating quarters should be 

 reduced to a minimum by the removal of everything that will 



FIG. 121. Plum curculio on a young peach. (Quaintance, United States 

 Department of Agriculture.) 



FIG. 122. Plum showing crescent-shaped, egg-laying punctures. 

 (Quaintance, United States Department of Agriculture.) 



give the insects shelter over winter. The trees should be 

 pruned so as to admit plenty of light to the interior branches. 



