CONTENTS 



Proceedings of the Twenty-seventh Annual Meeting of the American Asso- 

 ciation of Economic Entomologists {Continued) 

 Flies which C&use Myiasis in Man and Animals— Some Aspects of the 



Probiem ^- ^- Bishopp 317 



Kerosene Traps as a Means of Checking up the Effectiveness of a Poi- 

 soned Bait Spray to Control the Mediterranean Fruit-fly, CeroMtis cap- 

 iiaio-, with a Record of Beneficial Insects Captured in the Kerosene 



H. H. P. Severin and H. C. Severin 329 



A Contribution to the Life History of the Corn-feediug SjTphus Fly, Meso- 



gramma polita C.H.Richardson 338 



Life History, Natural Enemies and the Poisoned Bait Spray as a Method of 

 Control of the Imported Onion Fly, PhorUa cepetormn, with Notes on Other 

 Onion Pests H. H. P. Severin and H. C. Severin 342 



Notes on the Brown Lace-\^ang, Hemerohius pacificus G. F . Moznette 350 



The Mouthparts of the Thysanoptera and the Relation of Thi-ips to the Non- 



settmg of Certain Fruits and Seeds A.D.Borden 354 



Further Experiments in the Control of the Tarnished Plant Bug, Lygus pra- 



^,,^,3,-, M. D. Leonard 361 



Notes on the Life History of Enchenopa Unotata on the Butternut 



W. D. Funkhouser 368 



Effect of Low Temperature on the Oyster-shell Scale, Lepidosaphes ulmi 



R. L. Webster 371 



Confusion of Rhopalosiphum Uppohaes Koch and Myzus hraggii Gillette 



C. P. Gillette 375 



A Destructive Pine Sawfiy Introduced from Europe, Dipr^o?2 simile 



W. E. Button 379 



Reviews 

 Editorial 



382 

 383 



Current Notes ^^"^ 



