622 



STATE BOARD OF AGRICULTURE. 



Fig. 293. 



Fig. 292. 



^f 



Fig. 294. 



Fig. 292. — Pear midge, Diplosis pyrivora ; a, female adult; c, pupa, both enlarged: all other 

 references to structural details. 



Fig. 293. — A sound pear and one infested by the larvae of the pear midge. 



Fig. 294.— A series of pears infested by the midge, showing distortions caused by larvse. 



