516 



i \ 1 1 1 •; \ . 



( 'occus — continued. 



p8eudohesperidum, 140 



iihni, 119, 188 



rit is, 135 



siziphus, 193 

 Cochineal scale, 122 

 Cock chafers, 240 

 Coekerell, T. D. A., 108, 149 

 cockerelli, 115 

 Cockerell's Kermes, 115 

 Cockroach, 23, 24, 30, 380 

 Codlin-moth, 27, 364, 436 



parasite, 363, 438 

 Coenonycha socialis, 240 

 caeruleooinctus, 19 

 Colaspidea varicolor, 275, 276 

 Coleman, Geo. A., vi, 176 

 Coleoptera, vii, 24, 216, 218, 501 

 Collecting insects, 496 



nets, 496, 497 



traps, 497 

 Collections, insect, 496 

 Collinge, W. E„ 3 

 Collins, C. F., 315 

 Goleophora sacramenta, 450 

 Colias etlrytheme, 458 

 colon, 301, 311 

 co in at us, 246 

 comes, 64 

 ('(minion asparagus beetle, 267 



black Calosoma, 217 



spotted red ladybird beetle, 89, 

 90, 104, 184, 220, 223, 226 



cutworm. 398 



milkweed bug, 206 



nematode, 493 



termite, 28 

 Compere, George, 231, 364, 438 



Harold, 75, 313, 453 

 Comstock, J. H., 173 

 (Jomys fusca, 146, 147, 151, 152, 372 

 concinna, 406 

 Condit, I. J., 289, 347, 419 

 Cone, earth, 410 

 Cone-borer, cypress, 436 

 Cone-nose, blood-sucking, 210 

 confertus, 238 

 coiifusus, 122 

 Coniopteryx vicina, 16 

 conquisitor, 405 

 conspicuus, 44 

 cousputa, 277 

 comtricta, 411 

 Contact insecticides, 465 

 convergens, 89. 90. 104, 184, 220. 223. 



226. 269 

 Cook, A. J„ iii, v. vi. 120, 469 



kerosene emulsion, 469 



Cooke, Matthew, v. 67, 303, 305, 360 

 cookei, 357 

 cooleyi, 73 



Cooley's Chermes, 73 



Coolidge, Karl R., 455 



Copper sulphate, 474, 475 



Coptocycla bicolor, 258 



Coquillett, D. W., 239, 240, 258, 271. 377. 



394, 453 

 Cord-grass scale, 165 

 Coreidas, 201 

 Corn, as rotataion, 449 



ear- worm, 396 



root-worm, southern, 271 



spraying, 478 

 C« mi, 144, 146, 372. 376. 471 

 Corrodentia, 24. 28. 501 

 Corrosive sublimate, 381 

 corrupta, 219 

 Corsair, two-spotted, 211 



western, 210 

 Cosmocoma sp., 62 

 Cotton bands, 296, 298, 301, 409, 417, 476 



barriers, 291 



bollworm, 396 

 Cottonwood gall-louse, bead-like, 77 



scale, 159 

 Cottony bamboo scale. 132 



cushion scale. 108, 224, 225. 348. 349 

 dipterous parasite of, 348 



Kermes, 118 



maple scale, 135 

 coin: ui, 73 

 Cowpea aphis, 90 

 Crabs, 1, 2 

 Crane-fly, alfalfa, 318 

 Craw, Alexander, 186 

 Crawford, D. L., 67, 68, 69 

 crawfordi, 110 

 crawi, 1 32 



crawii, 108, 126, 130 

 Crayfish, 1, 2 



Cresolis compositus, liquor, 124 

 crcssoni, 353 

 cribratus, 253 

 Cricket. 24, 30, 497 



field, 30 



sand or Jerusalem. 37 



live. California, 31, 32 

 snowy, 32 

 Griddle mixture, 39, 465 

 c rili it a, 247 

 Crioceris wsparagi, 267 

 cristatus, 201. 312, 458 

 criococci, 184 

 Crop rotation, 449 

 Crosby, C. R., vi 



See host index in the front for all references to plants. 

 Figures in heavy black type refer to articles or notes. 



