INDEX 



381 



K 



Kala-azar, 183 

 Katydids, 85-87 

 Kellogg, 349 

 Kerosene emulsion, 49 



Labia minor, 95 



Labial palpus, 10 



Labium, 10 



Labrum, 9 



Lace bugs, 179 



Lace wings, 222 



Lady beetles, bugs or birds, 133-135 



Lamellicorn beetles, 110-115 



Lampyridse, 100 



Laphygma frugiperda, 274 



Larder beetle, 103 



Lasiocampidse, 256-260 



Lasius niger americanus, 204 



Laspeyresia pomonella, 238 



Leaf beetles, 115-128 



-cutter bees, 361 



hoppers, 187, 190, 191 



insects, 81 

 Legs, 10, 12 



abdominal, 14 

 Lenticels, 216 

 Leopard Moth, 234 

 Lepidoptera, 230-299 

 Lepidosaphes beckii, 215 



ulmi, 209 



Lepisma saccharina, 63 

 Leprosy, 183 



Leptinotarsa decimlineata, 115 

 Lesser migratory grasshopper, 84 

 Lice: biting, 161-163 



on animals, 166 



sucking, 164-167 

 Limacodidae, 250 

 Lime-sulfur wash, 51 



self-boiled, 52 

 Little brown ant, 204 



earwig, 95 

 Lochhead, 269 

 Longicorn beetles, 130-133 

 Long-tailed mealy bug, 219 



Pelecinus, 351 



Thalessa, 345 

 Losses by insects, 32 



crop, 32 



difficulties of estimation, 33 



Losses, health, 32 



figures on, 34 



increase in, 34 

 "Lubber" grasshoppers, 84 

 Luminous organs, 100, 109 

 Luna moth, 286 

 Lunula, 301 

 Lycaenidae, 290 

 Lygaeidae, 174 

 Lygus pratensis, 181 

 Lymantriidae, 260-266 



M 



Macrodactylus subspinosus, 113 

 Macrolepidoptera, 234 

 Maggots, 303 

 Malacosoma americana, 256 



disstria, 259 



Malaria, 309 . 



Malarial mosquitoes, 307 

 Mallophaga, 161-16& 

 Malpighian tubes, 21 

 Mammals, 1 

 Mandibles, 9 

 Mantidae, 78 

 Mantis, common, 79 



Chinese, 79 



European, 79 



religiosa, 79 

 Mantispa, 224 

 Mantispidae, 224 

 Marlatt, 142 

 Mask, 71 



Masked bedbug hunter, 182 

 Mason wasps, 358 

 Maxillae, 9 

 Maxillary palpus, 10 

 May beetles, 110 



-flies, 65-67 

 Meadow plant-bug, 180 

 Mealy bugs, 208, 218-220 



destroyer, 135 

 Measuring worms, 252-255 

 Mecoptera, 300 

 Median segment, 12, 338 

 Mediterranean flour moth, 249 

 Melanoplus atlanis, 84 



bivittatus, 84 



devastator, 83 



differentialis, 83 



femur-rubrum, 83 



spretus, 82 

 Melittia satyriniformis, 245 



