512 



Chaitophorus quercicola, 415. 



spinosus, 415. 



viminalis, 375, 415, 493. 

 Clialcidoidea, feeding habits of, 257- 



280. 

 Chalcodermus sneus, 213, 357. 

 Chenopodium, 405. 

 Chermes coweni, 372. 



picea?, 342. 



piniconicis, 372. 

 Cherry, 146, 152, 159, 160, 210, 234, 

 275, 365, 431, 432. 



ermine moth, 157-161. 



slu^s, 32. 

 Chestnut, 376. 

 Chickens, 148. 

 Chicken mite, 217. 

 Chinch bug, 303. 

 Chinese Mantis, 274. 

 Chionaspis americana, 186. 



saUcis-nigrse, 103. 

 Chittenden, F. H., and Marsh, H. O., 



477-479. 

 Chloride, 87. 

 Choke-cherry, 405. 

 Cholomyia intequipes, 453. 

 Chromaphis juglandicola 367. 

 Chrysanthpmum, 182, 209, 481. 

 Chrysomphalus aurantii, 398. 



obscurus, 216. 

 Chrysops, 217. 



Cigarette beetle, 198-202, 214. 

 Cincticornia americana, 353. 



globosa, 353. 



majaUs, 352. 



pikilae, 352. 



podagrae, 352. 



pustulata, 353. 



quercifolia, 353. 



serrata, 353. 



.simpla, 353. 



symmetrica, 352. 

 Cineraria, 402. 

 Citrus fruit insects, 216. 



trees, 85, 364, 398, 401, 447, 448, 

 473. 

 Cladobius rufulus, 375. 



saUciti, 375. 

 Chnodiplosis caryse, 351. 



florida, 352. 

 Chnorhyncha filicis, 354. 

 Clitocybe parasitica, 233. 

 Clover, 151, 162, 163, 359, 380, 405. 

 459, 460. 



aphis, 495. 



leaf weevil, 303. 

 Cnethocampa processionea, 290. 

 Coccidse of Audubon Park, New Or- 

 leans, La., 420-425; Boulder 

 County, Colorado, 425-430, 481. 

 Coccinella 9-notata, 503. 

 Coccophagus lecanii, 401 . 



immaculatus, 481. 

 Coccus hesperidum, 401, 449. 



Cockerell, T. D. A., 425-430, 481. 

 Cockroaches. 100, 101. 

 Cocoanut, 272. 



Codling moth. 29, 30. 31, 114, 122, 123, 

 124, 136, 239, 240, 243, 303; 

 control in California 470-73; 

 sprays for, 29-32; experiments 

 on, 474-77; spraying for, 172- 

 76. 

 Coix lachryma, 402. 

 Collar rot, 189, 191, 192, 194, 197. 

 Collembola injurious, 204-205. 

 CoUinge, W. E., 204-205. 

 Collins, C. W., 343-346. 

 Colorado potato-beetle, 182, 214, 303, 



503. 

 Compsilura concinnata, 291, 292. 

 Conifers, 273. 

 Conium maculatum, 377. 

 Conotrachelus cratagi, 357. 



nenuphar, 215, 453. 

 Contarinia sorghicola, 205-207. 

 Cooley, R. A., 178-179. 

 Copper, 233; sulfate, 173. 

 Corn, 48, 49, 53, 54, 55, 56, 57, 149, 

 150, 151, 152, 153, 154, 155, 

 156, 157, 168, 182, 213, 405, 503. 



billbugs, 303. 



ear-worm, 149-157. 



louse ants, 303. 



root-aphis, 182. 

 Cornus, 185, 273, 407, 484. 



borer. 184. 



paniculata, 103. 



stolonifera, 103, 407. 

 Coryneum beyerinkii, .236. 

 Cosmos, 166. 

 Cotton. E. C, 141-145. 

 Cotton, 20, 48, 212, 213, 214, 357, 362, 

 363, 364. 



aphis, 213. 



boll weevil, 90, 303, 333. 



boll worm, 114, 303. 



caterpillar, 213. 

 Cottonseed oil emulsion, 61, 62, 64. 

 Cowpeas, 213, 214, 357. 

 Cowpea pod-weevil, 213. 

 Crataegus, 74, 357, 358, 410. 



crus-galli, 186. 



oxyacantha, 158, 377. 

 Creo.sote oil, 104. 

 Crioceris asparagi, 180, 257. 

 Crossocosmia sericariae, 284, 289. 

 Croton bug, 215. 

 Crown gall, 68, 225, 236, 246, 247, 248, 



249, 250, 274. 

 Crude coal tar creosote, 39. 



oil, 74, 164, 233. 

 Cryptorhynchus lapathi, 184. 

 CucumbeVs, 180, 181, 404. 

 Cucumber beetle, 12-spotted, 203. 

 Culex pipiens, 121. 

 Curculio, 177, 236. 

 Cutworms, 303, 435. 



