426 



INDEX 



Indian meal moth, 74, 214 



Insect behavior toward stimuli, 57, 58 



Insects and birds, 44 



as carriers of plant diseases, 46-47 



and disease, 49-57 



distribution of, 60-64 



and plants, 45 



in relation to temperature, 59-60 

 Insectary, 66-68 

 Insecticides, 377 



action of, 400 

 Insectivorous plants, 45 

 Internal anatomy, 19-30 



changes, 37 

 Inter-relations in nature, 45 

 Intromittent organ, 28 

 lo moth, 82, 180 

 Ipidae, 284, 339 , 

 Isaria, 46 

 Ischnoptera, 103 

 Isia isabella, i8i 

 Isomera, 280 

 Isoptera, 102 

 Isosoma grande, 354 



hordei, 355 



secale, 355 



tritici, 71, 354 

 Itamera ribearia, 206 

 Itch mite of man, 365 



poultry, 91, 365 

 Ivy scale, 134 

 Ixodidae, 364, 366 



Janus integer, 84, 345 

 Jarring, 399 

 Jassoidea, 122 

 Joint worm, 71, 354 

 Julida:, 369 

 Julus canadensis, 369 



C(Kruleocinctus, 370 



virgatus, 370 

 Jumping plant lice, 122 

 June beetles, 302, 303 



K 



Katydids, 114 

 Kellogg, Prof. V. L, 50 

 Kermes, 124, 131 

 Kerosene, 395 



emulsion, xi, 391 



Labia minor, 106 

 Lace wings, 43, 99, 100 

 Lachnosterna, 80, 81, 302, 303 

 Lachnus, 136 

 Ladj^birds, 40, 41 

 Lamellicornia, 281, 283 

 Lampyridse, 283 

 Languria mozardi, 173 

 Laphj'gma frugiperda, 192 

 Larch saw fly, 88, 346 

 Larder beetle, 92, 282, 291 

 Large blue bottle fly, 273 

 Larger corn stalk borer, 211 

 Larvae, classification of, 34-35 

 Larval stage, 32-35 

 Lasiocampidfe, 174, 203 

 Lasioderma serricorne, 328 

 Lasius niger, 48, 140, 360, 362 

 Laspeyresia interstinctana, 73, 22$ 



nigricana, 74, 226 



prunivora, 80, 227 

 Latrine fly, 53, 278 

 Lead arsenate, 384 

 Leaf beetles, 80, 283, 306 



bugs, 159, 163 



chafers, 283, 302 



crumpler, 78, 83, 213 



hoppers, 122, 154 



horn beetles, 281 



miner flies, 262 



miners, 79, 235 



rollers, 78, 229 



sewer, 79, 218, 230 



skeletonizer, 79, 236 

 Leather jackets, 71, 242 

 Lebia grandis, 286 



