14 Farmers’ Bulletin 1270. 
Fig. 18.—Puparium 
of apple maggot. 
Enlarged. 
Fic. 16.—Characteristic appearance of apple mag- 
got tunnel as seen through skin of fruit. 
Itc. 17.—Injured apple showing whitish apple 
Fig. 19.—Apple maggot flies 
Maggot larva within. 
resting on fruit. Slightly 
enlarged. 
a 
