THE PEAR 



INSECT ENEMIES OF THE FRUIT 



The fruit of the pear is attacked by both the Cod- 

 ling ]\IoTH and the Plum Curculio. The injury of 

 the latter causes it to be knotty, gnarly, and one-sided, 

 ruining it for market purposes. Fortunately the in- 

 juries of both may largely be prevented by two or 

 three sprayings with arsenate of lead mixed with 

 water at the rate of i pound to 50 gallons. The first 

 application should be made as soon as the petals have 

 fallen, and the others at intervals of ten days or 

 two weeks. 



Pear Tree Slug 



(After Saunders) 



INSECT ENEMIES OF THE FOLIAGE 



The leaves of pear, cherry, quince, and plum trees 

 are frequently attacked during June and July by a 

 greenish-black, slimy slug that eats the upper surface. 

 This is the Pear-tree Slug. The adult is a four- 

 winged black fly that deposits eggs in the leaf early in 

 the summer. The eggs soon hatch into larA^ae which 

 become full-grown in four or five weeks. They then 

 shed their slimy skins, appearing in clean yellow ones, 

 and soon descend to the ground, which they enter two 

 or three inches, and pupate in oval cocoons. A fort- 



