IV 
CONTENTS 
Bishop, F. C., Cook, F. C., Parman, D. C., and Laake, E. W. Progress 
Report on Investigations Relating to Repellents, Attractants and Larvici- 
des for the Screw-Worm and Other Flies 222 
Brittain, W. H. Some Recent Experiments in the Control of the Cabbage 
Mascot, Chortophila brassicae 61 
Britton, W. E. Rapid Spread of the Apple and Thorn Slceletonizer, Hem- 
erophila pariana Clerck 207 
Brues, C. T. Choice of Food and Numerical Abundance Among Insects 46 
Burgess, A. F. Experiments in Dusting Forest Areas with an Airplane 1 249 
Burroughs, A. M., and Grube, W. M. A Simplified Method for Making 
Lubricating Oil Emulsions 534 
Caffrey, D. T. Summary of Research Activities on the European Corn 
Borer 1 292 
Campbell, R. E. Notes on Nicotine Dust Progress 497 
Cartwright, W. B. Delayed Emergence of Hessian Fly for the Fall of 
1922. 432 
Chapman, R. N. The Possibility of Transmitting a Calendra Infestation 
from Wheat to Macaroni thru the Process of Milling and Manufacturing 341 
Clausen, C. P. The Citricola Scale in Japan and its Synonymy 225 
Connor, M. E., and Monroe, W. M. Notes on the Length of Time Aedes 
calopus (Stegomyia) Larvae Should be Exposed to a Film of Kerosene 380 
Cory, E. N. Dusting for the Pea Aphis » 81 
Rehabilitation Classes in Apiculture 130 
Craighead, E. M. Emergence Records of the Peach Tree Borer in Penn¬ 
sylvania 376 
Cutright, C. R. Life History of Micromus posticus Walker 448 
Dean, G. A. Another Step in the Control of the Hessian Fly 288 
DeLong, D. M. Results of Spraying and Dusting for the Control of the 
Red Spider, Paratetranychus pilosus 88 
DeOng, E. R. Habrobracon juglandis Ashm., as a Parasite of Plodia in- 
terpunctella Hubn. 550 
The Relation Between the Volatility and Toxicity of Nicotine in Dusts 
and Sprays 486 
Doane, R. W. Bees vs. Spraying 527 
Dudley, J. E., and Se arles, E. M. Color Marking of the Striped Cucum¬ 
ber Beetle, Diabrotica vittata and Preliminary Experiments to Determine 
its Flight 363 
Felt, E. P. Problems in Economic Entomology 39 
