APPLE PESTS 



541 



Tent Caterpillars. 1 and 4. larvae of M. erosa ; 2. cocoon of M. erosa; 3, tent of 

 M. erosa; 5, egg mass and nest of M. pluvialis : 6, cluster of caterpillars on trunk 

 of apple. If. erosa; 7, adult of If. erosa; H. egg mass of Western Apple Tree Tent 

 Caterpillars. 



