INDEX 



393 



Hydrometridas, 107 



Hydrophilidae, 141 



Hydrophilus, 141; H. obtusatus, 142 



Hydro psyche, net of, 182 



Hydrous triangularis, 141 



Hylastinus obscurus, 172 



Hylemyia antiqua, 319; H. brassica, 319 



Hymenoptera, 329; parasitic, 345 



Hymenopterous wing, typical, 330 



Hypatus bachmanni, 281 



Hypena hamuli, 236 



Hyperceschra stragula, wings of, 228 



Hypermetamorphosis, 145, 146 



Hyphantria cunea, 244; H. textor, 244 



Hypoderma bovis, 321; H. lineatum, 320 



Hypodermis, 28 



Hypopharynx, 31 



Hypoprepia miniata, 245 



Hypopygium, 332 



Hypsopygia costalis, 215 



Hyptiotes cavatus, 13 



Icerya purchasi, 121, 153 

 Ichneumon-flies, 347 

 Ichneumonidse, 347 

 Idiogastra, 343 

 Illice unifasciata, 246 

 Illinoia solanifolii, 116 

 Imago, 26 

 Imperial-moth, 246 

 Incomplete metamorphosis, 23 

 Incurvariidae, 195 

 Indian-meal moth, 216 

 Inner margin of wing, 32 

 Inquilines, 350 

 Insects, 22 



Internal anatomy, 34 

 Intestine, 36 

 Io-moth, 250 

 Iphiclides marcellus, 263 

 Iridomyrmex humilis, 362 

 Isabella tiger-moth, 244 

 Isia Isabella, 244 

 Isometopidae, 107 

 Isoptera, 63 

 Isosoma, 353 

 Ithycerus noveboracensis, 170 



Jalysus spinosus, 108 



Janus integer, 341 



Japanese beetle, 156 



Japyx, 46 



Jigger, 328 



Joint-worm, wheat, 354 



Jugatae, 191 



Jugates, haustellate, 192; mandibulate, 



192 

 Jug-builders, 365 

 Jugum of a hepialid, 191, 193 

 June-beetle, green, 158 

 June-bugs, 154, 155 



Katydid, 51; angular winged, 51; the 



true, 51 

 Kelp-flies, 319 



Labia minor, 125 



Labial palpi, 31, 129 



Labium, 31, 129 



Labrum, 31 



Lace-bug, hawthorn, 104 



Lace-bugs, 104 



Lacewing-flies, 66, 69 



Lacinia, 129, Fig. 214a 



Lac-insect, 119 



Lacosomidae, 285 



Lady-bugs, 152; bean, 153; nine-spotted, 

 153; two- spotted, 153 



Lcetilia coccidivora, 217 



Lagoa crispata, 198 



Lagriidas, 175 



Lakeflies, 75 



Lamellate, 30 



Lamellicorn beetles, 154; leaf-chafers, 

 156; scavengers, 154 



Lamellicornia, the families of, 133 



Lampshells, 1 



Lampyridae, 144 



Lantern-fly of Brazil, great, IJ3 



Lappet-caterpillars, 256; American, 258; 

 velleda, 257 



Larder-beetle, 150 



Larva, 25; of moth, 184 



Lasiocampidae, 256 



Lasius niger americanus, 363 



Laspeyresia molesta, 212 



Lathridiidae, 175 



Latrodectus mactans, 14 



Leaf-beetles, 164, 167 



Leaf-beetles, long-horned, 164 



Leaf-bugs, 101 



Leaf-chafers, shining, 156 



Leaf hoppers, 113; destructive, 113; grape- 

 vine, 113; rose, 113; potato, 113 



Leaf-insects, 58 



Leaf-miner, morning-glory, 202 



Leaf -roller, oblique-banded, 210; fruit- 

 tree, 211 



Leather-jackets, 294 



Lebia grandis, 138 



Lecanium hesperidum, 122, 125 



Legionary or visiting ants, 360 



Legs, 31, 32 



Leopard-moth, 197 



Lepidoptera, 183, 186; frenate, 194; 

 metamorphosis of, 184; jugate, 191 



Lepidosaphes ulmi, 122 



Lepisma saccharina,, 45 



Leptinidae, 175 



Leptinotarsa decemlineata, 165 



Lepyronia quadrangularis, 112 



Lethocerus americanus, 99; head of, 95 



Libellulidae, 78, 79 



Lice, true, 92; jumping plant-, 114 



Ligula, 129 



Lime-tree winter-moth, 226 



Linognathus piliferus, 93 



Liparidae, 232 



Lobsters, 1, 2 



Locust borer, 162 



Locust, Carolina, 57; American, 57; 



