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, So. 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, iSS 



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 



