Memorr 55 Prate LXXI 
STAGES OF VARIOUS SPECIES, AND SOME RESULTS OF THEIR WORK 
1, The spined tobacco bug, Euschistus variolarius, K 2 
2, Beans punctured by sucking insects, causing marks known as dimples: top row, dimples caused by 
Euschistus sariolarius; second row, by Adelphocorus rapidus; third row, by Lygus pratensis; bottom row, 
marks made by a No. 0 insect pin 
3, Beans showing the exit holes of the bean weevil, Acanthoscelides obtectus 
4, The apple leaf hopper, Empoasca mali, K 174 
| 5, The red spider, Tetranychus telarius, XK 6 
6, Egg of Systena frontalis, K 40; 8, adult, X 7 
| 7, Parent beetle of Diabrotica duodecimpunctata, K 5 
9, The bean leaf beetle, Cerotoma trifurcata, K 3} 
