Misc. Pub. No. 168. U.S. Dept. of Agriculture 



PLATE 19 



B 



-s# 



Insect Injuries on Apples and Pears 



A, Spotting caused by San Jose scale; B, codling-moth sting injury; C, D, stigmonose injury; E, injury 



caused by rosy apple aphid; F, pear-leaf blister-mite injury; O, pansy-spot injury on Mcintosh, 



