2388 



Hymenoptera in America North of Mexico 



nigrolineatum Crawford, 



Zagrammosoma 985 



nigrolineatus (Cameron), Banchus 580 



nigrolineatus (Viereck), Hyposoter 678 



nigromaculata Cameron, Lophyrocera 877 



nigromaculata Timberlake, 



Nomadopsis 1864 



nigromarginatus Spinola, Halictus 1952 



nigro-ornatus Cameron, Otacustes 409 



nigroornatus McCracken and Egbert, 



Synergus 1062 



nigropectus Cresson, Lyda 11 



nigropectus Cresson, Nematus 70 



nigropectus (Norton), Ptenus 24 



nigropectus Provancher, Bracon 166 



nigropicta Davis, Lampronota 598 



nigropilosa Cresson, Astata 1615 



nigropilosella Cameron, Plesia 1319 



nigropilosum Mocsary, Hedychrum 1226 



nigropilosus Ashmead, Automalus 527 



nigropilosus Cresson, Pompilus 1524 



nigropilosus Rohwer, Sphex 1593 



nigropinguis Mitchell, Megachile [s] 2068 



nigropleuralis Ashmead, Spilochalcis 866 



nigropleuralis (Davis), Sympherta [s] 586 



nigropyga Shenefelt, Atanycolus 161 



nigror Fox, Crabro 1670 



nigroris Banks, Cerceris 1733 



nigro-rufus Norton, Anomalon 612 



nigroscutatus Franklin, Bombus 2195 



nigroscutellata Hellen, Exochilum 614 



nigroscutum Davis, Exyston 378 



nigroscutum Middleton, Neodiprion 32 



nigrosignata Cockerell, Melissodes 2144 



nigrosignatus Viereck, Ichneumon 532 



nigrosoma Cushman, Aenoplex 413 



nigrosternum (Morrison), Cremnops 197 



nigrosus Ashmead, Kleidotoma 1107 



nigrotergops (Heinrich), Diphyus 512 



nigrotergus (Davis), Pterocormus 525 



nigrotrochanterica (Viereck), Agathis 194 



nigrovaria (Provancher), Pauesia 302 



nigrovaria Viereck, Andrena 1797 



nigrovariatus Muesebeck, Apanteles 251 



nigrovariegatus Ashmead, 



Megastigmus 766 



nigrovariegatus (Provancher), 



Pterocormus 525 



nigro-varium BruUe, Anomalon 621 



nigrovarius Provancher, Ophion 698 



nigroviridis (Graenicher), Dialictus 1968 



nigroviridis Timberlake, Perdita 1888 



nigrum Ashmead, Habromma 426 



nigrum Ashmead, Sparasion 1151 



nigrum Cook, Isosoma 841 



nigrum Davis, Tryphon 373 



nigrum (Fitch), Xystoteras 1077 



nigrum Provancher, Anomalon 614 



nileus Walker, Acrias 985 



niloticus Compere, Trichomasthus 956 



Nimbamyrma Bernard 1390 



nimbipennis Cresson, Tenthredo 114 



Nimbolareiga Heinrich 492 



nimbosus MacGillivray, Dolerus 47 



ninanae (Muesebeck), Agathis 194 



ninigretorum Viereck, Apanteles 251 



niobe Fischer, Opius 209 



nipmuckorum Viereck, Apanteles 246 



Nippogonalos Uchida 1198 



nipponensis Viereck, Diaeretus 309 



nipponensis Viereck, Meteorus 284 



nipponicum Uchida, Exochilum 614 



Nipponopsen Yasumatsu 1600 



nisseri Dahlbom, Chrysis 1230 



Nitela Latreille 1640 



nitela Mickel, Timulla 1282 



Niteliopsis Saunders 1635 



nitelopteroides Williams, Tachysphex 1629 



Nitelopterus Ashmead 1638 



nitens Banks, Oclocletes 1726 



nitens Cockerell, Exomalopsis 2118 



nitens Emery, Leptothorax 1394 



nitens (Howard), Horismenus 1015 



nitens Kerrich, Aenasius 918 



nitens Muesebeck, Apanteles 251 



nitens Provancher, Atractodes 727 



nitens Timberlake, Perdita 1929 



nitens (Townes), Caenocryptus 459 



nitens Williams, Solierella 1637 



nitens Zaddach, Dolerus 44 



niteofrons Shenefelt, Atanycolus 161 



nitescens Cockerell, Nomada 2112 



nitescens Timberlake, Colletes 1756 



nitida Banks, Cerceris 1735 



nitida (Cresson), Brachycistis 1268 



nitida (Cresson), Rhyssella 353 



nitida Cresson, Stelis 2003 



nitida Linsley and Michener, 



Paranomada 2114 



nitida Tischbein, Eriocampa 84 



nitida Townes, Netelia 362 



nitida Walley, Campoplegidea 639 



nitidarum Viereck, Andrena 1776 



nitidella Cockerell, Perdita 1903 



nitidicaudus Cockerell, Colletes 1754 



nitidicornis Cockerell, Andrena 1807 



nitidifrons Cockerell, Diadasia 2122 



nitidior Cockerell, Andrena 1781 



nitidipleuris Malaise, Amauronematus 80 



nitidissimus Cockerell, Sphecodes 1977 



nitidiventris Emery, Camponotus 1430 



nitidiventris Emery, Formica [s] 1451 



nitidiventris (Fox), Crossocerus 1671 



nitidivitta Michener, Anthocopa 2022 



nitidula Cockerell, Hesperapis 1980 



nitidula (Cockerell), Stelis 2003 



nitidula Fabricius, Chrysis 1232 



nitidula Mickel, Dasymutilla 1310 



nitidulator (Nees), Opius 209 



nitidulator Zetterstedt, Ichneumon 428 



nitidulum Schletterer, Gasteruption 1116 



nitidulus Dalla Torre, Bracon 166 



nitidulus Provancher, Phygadeuon 436 



nitidulus Walker, Torymus 756 



nitidum Dasch, Astiphromma 705 



nitidus Aaron, Notozus 1224 



nitidus Bridgman, Phaeogenes 498 



nitidus Fouts, Trimorus 1164 



