129 



APPLE PSYLLA or SUCKER. 



PEAR LEAF BLISTER MITE. 



I Larva, natural size. lA. Larva after third 

 moult, much magnified. 2. Perfect insect, 

 natural size. 2a. Perfect insect much 

 magnified. 



PEAR AND CHERRY SAWFLY. 



1. Mit-e greatly magnified. 2. Peaj' leaf, showijig 

 blisters caused by the Mites. 



PEAR MIDGE. 



^xmim 



Slugworms or larvae of this 

 sawfly on pear leaf. 



I. Stunted malformed pear cau&>3d by I'ear Midge larvse 

 2. Section of pear with larvaj inside. 3. Laiva magnified 

 4 Female fjy, magnified. Lines show natural size 



