INDEX 



Heteroptera, 107, 135, 308 



Hexapoda, 8 



Hickory-borer, 160 



Hippoboscidae, 240, 242, 329 



Hog caterpillars, 211 



Holorusia rubiginosa, 221 



Homoptera, 122, 135, 310 



Honey-bees, 270 ; anatomy of, 287 ; 

 life history of, 271 



Hop merchant, 179 



Hornblower, 209 



Horned passalus, 149 



Horn-tails, 246, 274, 319 



Hormvorms, 209 



Horse-flies, 229, 242, 323 



House-fly, i, 234, 242, 328 



Humming-bird hawk-moths, 211 



Hydrobatidae, 135, 309 



Hydrophilidae, 141, 171, 312 



Hymenoptera, 18, 243. 303. 304, 305, 

 319; characteristics of, 243; gall-in- 

 habiting, 246; larvae of, 243; mount- 

 ing of, 348 ; parasitic, 247 ; plant- 

 eating. 244; stinging, 254 ; summary 

 of, 274 



Hypopharynx, 15, 279, 295 



Ichneumon-flies, 250, 274 



Ichneumonidae, 250, 274, 320 



Ichneumons, 243 



Identity of insects, 67 



Ileum, 31 



Inch-worms, 195 



Incomplete metamorphosis, 50, 53 



Indian-meal moth, iS<; 



Inflating insect larvae, 353 



Injury to crops, 2 



Injury to domestic animals, 2 



Injury to household and stored goods, 2 



Insecta, 8 



Insect nets, 331 



Insect pins, 343 



Insects, and disease, i ; near relatives 

 of, 5 ; classes of, 67 ; compared with 

 Arachnida, 286; compared with Crus- 

 taceans, 284 ; compared with Myri- 

 apoda, 285 ; comparison of types of, 

 287; external anatomy of, 10; growth 

 and transformation of, 45; number 

 of, 3 ; structure and growth of, 5 



Insect traps, 339 



Integument, 26 



Intestine, 31 



Invertebrates, 5, 6 



lo moth, 213 



Iridomyrmex humilis, 259 



Isabella tiger-moth, 207 



Isosoma tritici, 253 



Japygidae, 305 

 Jassidae, 125, 135, 311 

 Jug-handle grub, 209 

 Jumping plant-lice, 311 

 June-bugs, 151 



Labeling, 349 

 Labium, 14, 278, 294-297 

 Laboratory exercises, 275 

 Labrum, 13, 277, 294-297 

 Lace-bugs, 117, 135, 310 

 Lace wings, 307 

 Lachnosterna, 151 

 Lacinia, 14 



Ladybird-beetles, 161, 171, 313 

 Lamellicornia, 148, 171, 313 

 Lampyridae, 147, 171, 313 

 Laphygma frugiperda, 202 

 Larder-beetles, 143, 312 

 Larger carpenter-bee, 270 

 Larva, 47, 58, 63 

 Lasiocampidae, 216, 318 

 Lasius niger americanus, 256 

 Leaf-beetles, 153, 171, 313 

 Leaf-bugs, 117, 135, 310 

 Leaf-chafers, 313 

 Leaf-cutter bees, 269 

 Leaf-folders, 217 

 Leaf-hoppers, 125, 135, 311 

 Leaf-horned beetles, 148, 171 

 Leaf-miners, 217, 319 

 Leaf-rollers, 186, 217, 319 

 Leaf worm, 202 

 Leather-jackets, 220 

 Lebia grandis, 139 

 Lecanium, 132 

 Legs, 21, 280 

 Lenses, 355 

 Leopard moth, 191 



Lepidoptera, 17, 172, 305, 318; mount- 

 ing of, 347 ; summary of, 217 

 Lepismidae, 305 

 Leptidae, 323 



Leptinotarsa decemlineata, 153 

 Leptocoris trivittatus, 121 

 Lesser migratory locust, Si 

 LeuCania unipuncta, 202 

 Leucocytes, 33 

 Libellulidae, 306 

 Lice, 121 



Life history of insects, 298 

 Light traps, 341 

 Ligula, 15 

 Limnobatidae, 309 

 Liotheidae, 307 

 Liparidae, 203, 217, 318 

 Lobsters, 7 

 Locust-beetle, 157 



