420 



INDEX 



Cluster fly, 53, 273 

 Coal tar, 395 

 Coccidte, 122 

 Coccinffi, 123, 129 

 Coccinella, 5-notata, 290 



9-notata, 290 

 Coccinellidae, 281, 287 

 Coccobacillus acridiorum, 46 

 Coccophagus, 354 

 Coccus, 123 



hesperidum, 134 

 Cockroaches, 92 

 Codling moth, 59, 80, 219 



records, 221 

 Coecal tubes, 26 

 Coelopistha nematicida, 354 

 Coleoptera, 94, 280 

 Collembola, 93, 95 

 Colopha, 138 



Colorado potato beetle, 77, 308 

 Common striped cutworm, 187 

 Compsilura concinnata, 200, 202, 406 

 Comstock, Prof. J. H., 16, 298 

 Conchylidae, 174 

 Confused flour beetle, 75, 329 

 Conopidae, 241 



Conotrachelus nenuphar, 81, 83. 330 

 Contact insecticides, 386 

 Contarinia johnsoni, 249 

 Control of insects, 373 

 Convergent ladybird, 288 

 Co-operative measures, 375 

 Coptodisca splcndoriferella, 232 

 Cordyceps, 46, 304 

 Coreidae, 159 

 Corimelaenidffi, 159, 167 

 Corn ant, 362 



bill bugs, 72, 338 



ear worm, 73, 195 



feeding syrphid fly, 251 



insects, 72 



leaf aphis, 72, 73. 142 



leaf miner, 263 



root aphis, 72, 140, 141, 142 



seed maggot, 72, 277 



stalk borer, 211 



Corn wireworm, 72, -211 

 Cornicles, 137 

 Corymbites, 78, 297 

 Cosmopepla carnifex, 167 

 Cossidae, 174, 237 

 Cost of spraying, 381 

 Cotalpa, 302, 304 

 Cotton boll weevil, 59, 333 



worm, 196 



-wood leaf beetles, 310 

 Cottony grass scale, 130 



maple scale, 89, 130 

 Crab-louse of man, 168 

 Crambidae, 210 

 Crambus hortuellus, 211 

 Cranberry girdler, 211 

 Crane flies, 242 

 Craponius inaequalis, 336 

 Cremastogaster, 360 

 Creolin, 396 

 Crepidodera helxines, 311 



rufipes, 316 

 Cricket-like grasshoppers, 114 

 Crickets, 107 

 Crioceris asparagi, 64, 312 



i2-punctata, 313 

 Crop rotation, 374 

 Croton bug, 105 

 Crustacea, i, 363 

 Cryptohypnus, 297 

 Cryptorhynchus lapathi, 329 

 Ctenocephalis canis, 280 

 Cucumber beetles, 77, 307, 308 

 Cucujidae, 327 

 Culex, 52, 243 



pipiens, 92, 243 

 Culicidae, 239, 243 

 Culicoides, 252 

 Cultivation of the soil, 375 

 Cultural control methods, 374 

 Curculio, apple, 80, 332 



plum, 330 

 Curculionidae, 284, 329 

 Currant borer, 84, 217 



fruit fly, 8s, 265 



fruit miner, 85, 265 



