2386 



Hymenoptera in America North of Mexico 



nigricornis Timberlake, Perdita 1919 



nigricornis Zetterstedt, Tryphon 718 



nigricorpus Mitchell, Sphecodes 1976 



nigricostata Provancher, Tenthredo 114 



nigricoxa Fouts, Platygaster 1180 



nigricoxa Fouts, Trimorus 1164 



nigricoxa (Provancher), Agathis 194 



nigricoxa (Provancher), Campoplex 629 



nigricoxa Provancher, Eurytoma 855 



nigricoxa (Provancher), Hidryta 452 



nigricoxa (Viereck), Campoletis 653 



nigricoxalis (Cushman), Venturia 634 



nigricoxatus Dalla Torre, Atractodes 430 



nigricoxi MacGillivray, Tenthredo 119 



nigricoxis Viereck, Rogas 180 



nigricoxum Dalla Torre, Limnerium 629 



nigricoxus Provancher, Atractodes 430 



nigricoxus Provancher, Orthocentrus 737 



nigricula Mickel, Pseudomethoca 1303 



nigridens (Vachal), Evylaeus 1960 



nigridens Wesmael, Phaeogenes 491 



nigridia Mickel, Dasymutilla [v] 1310 



nigridia Timberlake, Perdita 1909 



nigridius Weld, Andricus 1087 



nigridorsis Viereck, Macrocentrus 189 



nigridorsis (Viereck), Olesicampe 674 



nigridorsum Ashmead, Bracon 166 



nigridorsum Cushman, Neliopisthus 365 



nigrifacies Teunissen, Scolobates 593 



nigrifacies Timberlake, Perdita 1888 



nigrifactum (Fischer), Diachasma 202 



nigrifascia MacGillivray, Tenthredo 113 



nigrifemora Ashmead, Thyreocera 1051 



nigrifemur (Ashmead), Platygaster 1180 



nigrifrons (Cresson), Andrena 1799 



nigrifrons Cresson, Crabro 1677 



nigrifrons (Cresson), Diadasia 2122 



nigrifrons Cresson, Osmia 2038 



nigrifrons Cushman, Clistopyga 334 



nigrifrons Malloch, Brachycistis 1270 



nigrifrons (Provancher), Microbembex 1707 



nigrifrons Rohwer, Exenterus 382 



nigrifrons (Smith), Argogorytes 1691 



nigrifrons Titus, Collates 1756 



nigrifrons (Viereck), Scambus 325 



nigrigena Michener, Osmia 2038 



nigrihirta (Ashmead), Andrena 1796 



nigrihirtus Michener, Panurginus 1851 



nigrihirtus Mitchell, Triepeolus 2094 



nigrilabris Rohwer, Zamacrophya 112 



nigrilabris Ross, Dolerus 45 



nigrimanus (Kieffer), Pseudeucoila 1057 



nigrimembris Heinrich, Platylabops 506 



nigrinus Viereck, Panurginus 1855 



nigrior Cockerell, Nomada [s] 2113 



nigrior Cockerell, Perdita 1877 



nigrior Fox, Crabro 1670 



nigrior Fox, Methoca 1274 



nigrior Fox, Tachysphex 1629 



nigrior Michener, Anthocopa 2020 



nigrior Townes, Dipogon [s] 1534 



nigripecta (Rohwer), Phyllocolpa 75 



nigripectus (Ashmead), Netelia 362 



nigripectus Kieffer, Gasteruption 1116 



nigripectus Muesebeck, Adelius 241 



nigripectus Muesebeck, Macrocentrus 189 



nigripennata Dalla Torre, Larra 1619 



nigripennis Ashmead, Chelonus 237 



nigripennis Ashmead, Cryptus 460 



nigripennis Ashmead, Microplitis 259 



nigripennis Cushman, Boethus 374 



nigripennis (DeGeer), Polistes 1515 



nigripennis Fox, Notogonia 1619 



nigripennis Ghigi, Macrocephus 134 



nigripennis Provancher, Anomalon 614 



nigripes Ashmead, Aphidius 306 



nigripes Ashmead, Ascogaster 230 



nigripes Ashmead, Coelinius 215 



nigripes (Ashmead), Cremnodes 431 



nigripes (Ashmead), Phaenoserphus 1124 



nigripes (Ashmead), Platygaster 1180 



nigripes Ashmead, Rhizarcha 216 



nigripes Ashmead, Sympiesis 970 



nigripes Ashmead, Synopeas 1184 



nigripes (Ashmead), Trimorus 1164 



nigripes Cockerell, Triepeolus [s] 2096 



nigripes Crawford, Urosigalphus 274 



nigripes (CressOn), Acantholyda 13 



nigripes Cresson, Agathis 194 



nigripes (Cresson), Campoletis 653 



nigripes Cresson, Ceropales 1570 



nigripes (Cresson), Eusapyga 1321 



nigripes (Cresson), Priocnemis 1531 



nigripes Curtis, Spalangia 780 



nigripes Cushman, Homaspis 583 



nigripes Dreisbach, Therion 615 



nigripes (Fabricius), Dasymutilla 1310 



nigripes (Fouts), Pentapria 1142 



nigripes Guerin, Plesia 1267 



nigripes Hellen, Chorinaeus 548 



nigripes Howard, Bothriothorax 930 



nigripes Howard, Elasmus 1021 



nigripes Kieffer, Belyta 1137 



nigripes (Kieffer), Conostigmus 1193 



nigripes Kinsey, Neuroterus [v] 1074 



nigripes Lindeman, Semiotellus 1017 



nigripes Parker, Steniolia 1720 



nigripes Provancher, Andrena 1805 



nigripes Provancher, Bracon 170 



nigripes Provancher, Campoplex 641 



nigripes Provancher, Ichneumon 500 



nigripes (Provancher), Lissonota 570 



nigripes Provancher, Nysson 1688 



nigripes Ratzeburg, Mesochorus 711 



nigripes Rohwer, Apanteles 254 



nigripes Smith, Aphaenogaster 1361 



nigripes Smith, Melissodes 2143 



nigripes Townes, Trychosis 454 



nigripes (Viereck), Cymodusa 656 



nigripilosus Ashmead, Laelius 1212 



nigripilosus (Ashmead), Rhabdepyris 1206 



nigriprothorax (Girault), 



Cirrospiloideus 982 



nigriscaposa Thomson, Pimpla 323 



nigriscaposa (Viereck), Campoletis 653 



nigriscapus Ashmead, Telenomus 1169 



nigriscapus (Viereck), Venturia 634 



nigriscutum Girault, Apterolaelaps 782 



