INDEX 
690 
Chrysops obsoletus, 47 
pikei, 47 
Citrophilus mealybug, 554-561 
Citrus spraying, 567 
Clausen, C. P., 76-79 
Coccid mortality, 604 
Cockerell, T. D. A., 160 
Codling moth, 183-192, 265-266 
parasite, 602 
Colloidal sulfur, 533-538 
Compsilura concinnata, 69 
Compton, C. C., 222-225 
Comstock, J. H., 675 
Coniodes plumogeraria, 418 
Connecticut insects, 613 
entomologists, 669 
Constitution, 664 
Contarinia pyrivora, 411 
Corkins, C. L., 311 
Corn-ear worm, 320-323 
Corn root worm, western, 601 
Cotton boll weevil, 477^80, 553 
Cotton flea, 604 
Cotton, P. T., 663 
Craighead, E. M., 262-264 
Crawford, H. G., 132-141, 158 
Crop damage factors, 54-59 
Crop Protection Institute, 17 
Crossman, S. S., 67-76 
Crown gall inspection, 27 
Ctenocephalus canis, 230-235 
Cutright, C. R., 601 
Cutworm outbreak, 567 
Cylindrocopturus jatrophae, 526 
Cynomys ludovicianus, 339 
Danforth, R. E., 416 
Davis, J. J., 192-195, 251, 285-289, 329, 
440 
Dean, G. A., 15 
DeLong, D. M., 295-298 
DeOng, E. R., 344, 499, 533-538 
Derris, 499 
Derris elliptica, 499 
Diabrotica longicornis, 601 
soror, 160 
Diatraea saccharalis, 393-395 
Dibrachoides dynastes, 628 
Disonycha laevigata, 415 
Doane, R. W., 549-553 
Dodds, C. T., 504 
Dormant spray tests, 285-289 
Dosage estimating, 279-285 
Drake, C. J., 480-486 
Dust dosages, 279-285 
Dusting for leaf-hoppers, 262-264 
Dusts, protective, 298-307 
Eccoptogaster quadrispinosus, 460-740 
Echocerus cornutus, 551, 572-577 
Ellington, G. W., 41-45 
Empoa rosae, 262-264 
Empoasca fabae, 595, 598 
maligna, 595, 597 
Epicauta corvina, 343 
pardola, 343 
Epilachna borealis, 417 
Estimating abundance and damage, ISO- 
183 
boll weevil losses, 195-197 
grasshoppers, 197-202 
hessian fly, 202-207 
scale, 192-195 
Ethyl acetate, 663 
Eulimneria crassifemur, 118 
Eupelminus excavatus, 626 
Euproctis chrysorrhoea, 67-76 
European corn borer, clean-up methods, 
141-147 
experimental studies, 120-125 
in Ohio, 125-128 
in Ontario, 128-132 
legislation, 147-149 
migrating habit, 582-589 
parasite introductions, 117-120 
plowing for, 132-147 
quarantine, 149-155 
research projects, 112-117 
Euttex tenella, 369-377, 639-645 
Exeristes roborator, 119 
External Insect Anatomy, 163 
Federal Horticultural Board, 437 
Felt, E. P., 59, 64-67, 212, 603, 612 
Fenton, F. A., 480^86 
Fenusa pumila, 601 
Fisher, C. K., 549, 632-637 
Flanders, S. E., 418, 602 
Flaxseed counts, 480-486 
Fleas, 230-235 
Fleming, W. E., 361-365 
Flint, W. P., 213, 260-261 
Fly rearing, 486-496 
Forage looper, 312 
Foreign insect pests, 443 
Fracker, S. B., 157 
Franklin, H. J., 406 
Frost, S. W., 101-103, 262-264 
Garden centipede, 520-526 
Gardner, T. R., 366-369 
Gentner, L. G., 160 
Gibson, Arthur, 51-54 
Gipsy moth, 180-183, 438 
investigations, 67-76 
parasites, 67-76 
problem, 64-67 
Glaser, R. W., 486-496 
Glasgow, Hugh, 95-101 
