INDEX 



369 



Oak-apple, 247 



Oak-pruner, 160 



Oberea bimaculata, 161 



Oblique-banded leaf-roller, 186 



Ocelli, 12, 39 



Odonata, 98, 304, 306 



Odontota dorsalis. 157 



Oestridae, 233, 242, 328 



Ommatidium, 40 



Onion-maggot, 238 



Ophion flies, 250 



Orders, 68, 71 



Orneodidae, 190 



Ortalidae, 325 



Orthoptera, 76, 304, 308 ; mounting of, 



346 



Oscinidae, 327 

 Otiorhynchidae, 313 

 Ovipositors, 26 

 Owlet-moths, 199, 217, 318 

 Ox-bot, 2 

 Oyster-shell bark-louse, 134 



Palpus, 14 

 Panorpidae, 307 

 Papilionidae, 175, 318 

 Papilionina, 174, 217 

 Papilio polyxenes, 175 

 Parasita, 121, 135 

 Parasitic Hymenoptera, 274 

 Passalus cornutus, 149 

 Pea aphis, 129 

 Peach-tree-borer, 192 

 Pear psylla, 127 

 Pear-slug, 245 

 Pea-weevils, 158, 171, 373 

 . Peddlers, 157 

 Pediculidae, 308 

 Pelecinidae, 320 

 Pentamera, 137, 171, 312 

 Pentatoma sayi, 116 

 Pentatomidae, 114, 310 

 Pepsis formosa, 261 

 Periodical cicada, 122 

 Perlidae, 306 

 Pharynx, 29 

 Phasmidae, 80, 308 

 Philopteridae, 307 



Phlegethontius quinquemaculata, 209 

 Phoridae, 323 

 Phryganeidae, 307 

 Phycitinae, 189 

 Phyla, 6 



Phymata wolfii, 114 

 Phymatidae, 114, 135, 309 

 Physopoda, 305 

 Physopodae, 308 

 Phytophaga, 153 



Pickle-worm, 188 



Piercing mouth-parts, 295 



Pieridae, 178, 217, 318 



Pimpla flies, 250 



Pinning block, 344 



Pins, 343 



Pipunculidae, 325 



Pissodes strobi, 168 



Plant-bugs, 116, 135 



Plant-eating Hymenoptera, 274 



Plant-hoppers, 124 



Plant-lice, 127, 135, 311 ; jumping, 127, 



135; life history of, 298 

 Platypezidae, 325 

 Platyptera, 103, 303, 304, 307 ; mounting 



of, 346 



Plecoptera, 97, 304, 306 

 Pleurum, 21 



Plodia interpunctella, 189 

 Plum curculio, 168 

 Plume-moth, 190 

 Podisus spinosus, 115 

 Poduridae, 306 

 Poecilocapsus lineatus, 118 

 Polistes, 266 

 Pollenization, 2 

 Polygonia comma, 179 

 Polyphemus, 213 

 Pomace-flies, 239, 327 

 Poneridae, 320 

 Pontia rapae, 300 

 Porthetria dispar, 204 

 Potato flea-beetle, 156 

 Praying mantis, 308 

 Predacious bugs, 112, 135 

 Predacious diving-beetles, 171, 312 

 Predacious ground-beetles, 312 

 Preserving, 352 

 Preserving insects, 343 

 Prionids, 160 



Proctotrypidae, 253, 274, '320 

 Proctotrypid-flies, 274 

 Proctotrypids, 253 

 Productive insects, 2 

 Prominents, 193, 217, 319 

 Prothorax, 20, 279 

 Protozoa, 3 

 Proventriculus, 30 

 Psammocharidae, 261, 274, 321 

 Pseudoneuroptera, 95 

 Psilidae, 328 

 Psocidae, 105, 307 

 Psocids, 106 

 Psychidae, 319 

 Psychodidae, 321 

 Psylla pyricola, 127 

 Psyllas, 127, 135 

 Psyllidae, 127, 135, 311 



