CONTENTS 
PAGE 
American Association of Economic Entomologists, Proceedings of the Thirty- 
Second Annual Meeting ( Continued ) 
The Pacific Oak Twig Girdler... H. E. Burke 379 
Field Experiments for the Control of the Apple Maggot .. . G. W. Herrick 384 
Wild Hawthorns as Hosts of Apple, Pear and Quince Pests 
W. H. Wellhouse 388 
Some Studies on the Effects of Arsenical and Other Insecticides on the 
Larvae of the Oriental Peach Moth. A. Peterson 391 
Dipping Tobacco Plants at Transplanting Time for the Control of the 
Tobacco Flea Beetle, Epitrix parvula .. ,Z. P. Metcalf 398 
The Life History of the Potato Leaf Hopper 
F. A. Fenton and A. Hartzell 400 
Control of the Potato Leafhopper, Empoasca mali, and Prevention of 
“Hopperburn”... J.E. Dudley 408 
Injuries to Beans in the Pod by Hemipterous Insects. I. M. Hawley 415 
The Squash Bug... F. M. Wadley 416 
Broom Corn, the Probable Host in which Pyrausta nubilalis Hubn. 
Reached America.. H. E. Smith 425 
Bean Ladybird .. W. E. Hinds 430 
Scientific Notes. 431 
Editorial. 434 
Current Notes. 435 
