INDEX 



425 



Hawk moths, 169 



Hay worm, clover, 73 



Head, 2 



Head-louse of man, 16S 



Hearing, organs of , 1 1 



Hedgehog caterpillar, iSi 



Heliothis obsoleta, 73, 195 



Heliothrips haemorrhoidalis, 119 



Heliozelidse, 232 



Hellebore, 385 



Hemerocampa leucostigma, 79, 87, 202 



Hemichionaspis aspidistrae, 90, 135 



Hemiptera, 43, 94, 158 



Hemispherical scale, 132, 134 



Hesperidse, 169 



Hessian fly, 39, 59, 60, 71, 245 



Heterocordylus malinus, 165 



Heterodera radicicola, 371 



Heteromera, 281, 283 



Heterometabolic, 33 



Heteroptera, 158 



Hewitt, Dr. C. G., 58, 406 



Hickory tiger moth, 183 



Hippoboscidae, 279 



Hippodamia convergens, 288, 289 



13-punctata, 290 

 Histogenesis, 37 

 Histolysis, 37 

 Hog louse, 91. 169 



pests, 91 

 Holcaspis, 351 

 Holometabolic, 3s 

 Homalomyia brevis, 278 



canicularis, 53, 278 



scalaris, 53, 278 

 Homoptera, 94, 122 

 Honey bee, 10, 12, 19, 40, 357, 358 

 Hookworm disease, 56 

 Hop merchant, 176 



plant louse, 145 



red bug, 165 



vine looper, 195 

 Hopperdozer, 399 

 Hormaphis, 138 

 Horn fly, 38, 53 63, 272 



tails, 350 



Hornet, white faced, .356 



yellow jacket, 356 1 

 Horse bot fly, 91, 258-7259 



flies, 8, 240, 252 



insects, 91 



louse, 169 

 House ant, 92, 361 



flea, 279, 28Q 



fly; 7, 18, 53, 92, 270 



hold pests, 92 

 Howard, Dr. L. O., vii, 403 

 Human flea, 279 

 Hunter, Prof. W. D:, 402 

 Hyadaphis, 138 

 Hyalopterus, 138 



arundinis, 147 , 

 Hydrocyanic acid gas, 394 

 Hydroecia, 196 , 



Hydrophilidae, 282 

 Hylastinus obscurus, 64, 73, 341 

 Hylemyia antiqua, 276 

 Hylotoma pectoralis, 346 

 Hymenoptera, 94, 343 

 Hypena humuli, 195 

 Hyperaspis signata, 288 

 Hypermetamorphosis, 38 

 Hyperparasitism, 43 

 Hyphantria, textor, 79, 87 

 Hypoderma bovis, 91, 257 



lineatum, 91, 255 

 Hypsopygia, costalis, 73, 280. 



Icerya purchasi, 40;? 

 Ichneumon flies, 41 

 Ichneumonidas, 41, 344, 352 

 Idiocerus fitchi, 155 

 Imaginal buds, 37 

 Imago stage, 38 

 Imbricated snout beetle, 78 

 Imported cabbage worm, 63, 64, 77, 175 

 currant borer, 84, 217 

 worm, 346 

 Incomplete metamorphosis, $;} 

 Indian euphoria, 80, 305 



