8;o 



INDEX TO FAMILIES AND GENERA. 



Oncerotrachelus, . . . 153 



Oncideres, 335 



Oncocnemis, 451 



Oncodes, 744 



Oncodocera, 746 



Oncognathus, 164 



Oncometopia, 100 



Oncomyia, 772 



Oncopeltus, 140 ; 



Oncophorus, 46 



Oncotylus, 160 



Oneida, 532 



Onthophagus, 314 



Onthophilus, 269 



Onychylis, 385 



Codes, 213, 



Opatrinus, 360 i 



Opheltes, 618; 



Ophiderma, 93 



Ophiogomphus, .... 76 



Ophion, 621 



Ophyra, 789 



Opius, 606 



Opisthoneura, 588 1 



Opostega, 568 



Opresus 232 



Opsebius, 744 



Opsiccetus, 154 



Opsidia, 782 



Orchelimum, 189 



Orchesella, 35 



Orchesia, 366 



Orchestes, 388 



Orectoderus, . 165 



Oreta, 493 



Orgilomorpha, 607 



Orgilus, 610 



Ormenis, v96 



Ormyrus, 650 



Ornithobius, 46 



Ornithomyia, 813 



Ornix, 572 



Orocharis, 193 



Oropeza, 708 



Orphilus, 267 



Orphulella, 180 



Orsillus, 141 



Orsodachna, 338 



ORTAUMJ, 798 



Orthaltica, 352 



Orthezia, 122 



Orthocis, 310 



Orthocladius 714 



Orthodes, 460 



Orthofidonia, 500 



Orthopelma, 618 



Orthoperus, 252 



Orthopleura, 304 



Orthops, 164 



Orthosia, 465 



Orthosoma, 323 



Orthostethus, 287 



Orthotylus, 161 



ORYSSID^, 595 



Oryssus, 595 



OSCINID^, 807 



Oscinis, 809 



Osmia, 697 



Osmoderma, 322 



Osprynchotus, 630 



Otidocephalus, 385 



Otiocerus, 97 



OTIORHYNCHID^, ... 378 



Otiorhynchus, 379 



Oxacis, 368 



OXYBEUMS, 682 



Oxybelus, 682 



Oxycera, 738 



Oxycnemus, 273 



Oxylasmus, 261 



Oxyomus, 314 



Oxypoda, 238 



Oxyporus 247 



Oxyptilus, 536 



Oxystoglossa, 688 



Oxytelus, 248 



Oxytorus, 624 



Ozognathus, 305 



Ozophora, 144 



P. 



Pachnseus, 379 



Pachnobia, 453 



Pachybrachys, 341 



Pachydiplax, 82 



Pachygaster, 738 



Pachylobius, 383 



Pachymeria, 759 



Pachynematus, 589 



Pachyneuron, 642 



Pachyonychus, 349 



Pachyophthalmus, .. 778 



Pachyphanes, 384 



Pachyprotasis, 585 



Pachypsylla, 109 



Pachyrhina, 709 



Pachyscelis, 296 



Pachyzancla, 523 



Packardia, 513 



Pasctes, 470 



Psederillus 243 



Paderus, 243 



Pccdisca, 540 



Pagasa, 149 



Palamius, 246 



Paleacrita, 504 



Pallodes, 273 



Palloptera, 797 



Palpomyia, 712 



Palthis, 483 



Paltodora, 554 



Pamera, 143 



Pammegischia, 637 



Pamphila, 421 



Pamphilius, 581 



Panagseus, 202 



Panapoda, 478 



Panchlora, 175 



Panchrysia, 469 



Pandeletejus, 379 



Pandemis, 550 



Pangaeus, 133 



Pangonia, 739 



Pangrapta, 474 



' Paniscus, 618 



Panorpa, 65 



Panscopus 379 



Pantala, 79 



Panteles, 625 



Panthea, 442 



PANTHEID^ 442 



PANURGID^E, 691 



Panurginus, 691 



Panzeria, 779 



Paonias, 430 



Papaipema, 462 



