INDEX 



Pea weevils, 66, 261 

 Peach-tree borer, 72 

 Pear midge, 81, 254, 262 

 Perception, sense of, 14 

 Periodical cicada, 52 

 Phasmids, injury by, 53 

 Phylloxera, 252 

 life cycle, 46 

 on grape, 46 

 Pill beetles, 189 

 Pirate bugs, 94 

 Plague and fleas, 214 

 Plant-beetle injury, 63 

 lice and ants, 125 



and weather, 143 

 development, 43 

 disease, 148 

 injury by, 42, 255 

 parasites on, 119 

 remedies, 277 

 sexual parts, 21 

 Planting, time of, 301 

 Plasmodium, 203 

 Platypsylla, 161 

 Platyptera, 87 

 Plecoptera, 87 

 Plum curculio, 262 

 Pollination by insects, 22 



by wind, 22 

 Polyembryony, 122 

 Pommace flies, 191 

 Potato beetle, 249 

 Potter wasps, 1 1 6 

 Powder-post beetles, 238 

 Predatory beetles, 100 



insects, 86 



Pronuba and yucca, 24 

 Protective resemblance, 131 

 Psorophora, 109 

 Psocids in house, 221 

 Ptinids in houses, 237 

 Pupal stage, 16 



Pupipara, 182 

 Pyrethrum, 277 



Raphidiidae, 90 

 Reason in insects, 14 

 Reduviids, habits of, 94 

 Reproduction, organs of, 15 

 Resin soap, 296 



washes, 290 

 Rhynchophora, 67 

 Roaches, habits of, 95, 226 

 Robber flies, no 

 Root lice, 46 



maggots, 82 

 Rose-chafer injury, 258 

 Rotation of crops, 300 

 Round-head borers, 64 

 Rove-beetles as scavengers, 



187 

 habits of, 102 



San Jose" scale, 51 

 Saw-fly injury, 76 

 Scale-insect disease, 147 



injuries, 49, 256 

 Scale insects, development, 49 

 Scales, parasites on, 119 



remedies for, 280 

 Scavengers, insects as, 185 

 Scolytid, injury, 70 

 Scorpion flies, 91 

 Screw-worm fly, 173 

 Senses of insects, 13 

 Sesiids, injury by, 72 

 Sheep-bot, 177 



ticks, 182 



Sight of insects, 13 

 Signate lady-bird, 105 

 Silk-worm disease, 151 

 Silk-worms, 192 

 Silver-fish, 219 

 Simuliidae, 166 



