2450 Hymenoptera in America North of Mexico 



Semnophrys Foerster 575 



Semora Cameron 876 



Semorata Strand 876 



Semorella Ghesquiere 876 



semotula Cockerell, Andrena 1807 



senecionis Cockerell, Perdita 1904 



seneciophila Cockerell, Andrena 1834 



seneciophila Cockerell, Osmia 2036 



seneciophila Cockerell, Stelis 2002 



seneciophila Mitchell, Nomada 2114 



seneconis Rohwer, Pterocheilus 1476 



senegalensis Ferriere, Bassus 723 



senex Gregg, Pheidole 1373 



seniculus (Nees), Hemitrichus 834 



senilis Smith, Melissodes 2146 



senior Cockerell, Osmia 2047 



sensillosa Fischer, Synaldis 229 



senticulosa LaBerge, Andrena 1783 



sentinis Davis, Euryproctus 610 



separata Cresson, Melecta [s] 2171 



separata Timberlake, Perdita 1905 



separata (Viereck), Rhimphoctona 645 



Separatobombus Frison 2196 



separatus Cresson, Bombus 2196 



separatus (Davis), Anisobas 541 



sepedontis Ashmead, Atractodes 428 



sepiella (Holmgren), Pyracmon 644 



sepiellum Townes, Pyracmon 64-1 



septemcinctorius (Thunberg), Perithous :<4S 



septemspinosa Gillette, Eucoila 10.")-4 



septemtrionalis Krieger, Neotheronia 347 



septentrionale Brues, Eiphosoma 684 



septentrionale Buckley, Formica 1467 



septentrionale Holmgren, Anomalon 619 



septentrionale Schletterer, 



Gasteruption 1117 



septentrionalis (Brues), Stilbula 877 



septentrionalis Cushman, Cryptanura 470 



septentrionalis Cushman, Iseropus 332 



septentrionalis Heinrich, Lobaegis 540 



septentrionalis Kincaid, Arachnospila 1565 



septentrionalis Mayr, Lobopelta 1344 



septentrionalis (McCook), 



Trachymyrmex 1411 



septentrionalis Michener, Hoplitis [s] 2017 



septentrionalis Packard, Crabro 1677 



septentrionalis Saarinen, 



Amauronematus 79 



septentrionalis Swenk, Nomada [s] 2102 



septentrionalis (Viereck), Campoletis 654 



septentrionalis Wheeler, Leptothorax 1397 



septentrionalis Wheeler, Pheidole 1372 



septentrionalis Whittaker, Gonatopus 1248 



septum Cushman, Exetastes 578 



sepulchralis Evans, Epyris 1210 



sepulcralis Williams, Tachysphex 1630 



sequax Cresson, Ichneumon 516 



sequior Cockerell, Triepeolus 2096 



sequoiae Ashmead, Spathius 158 



sequoiae Michener, Ceratina 2182 



sequoiae (Michener), Evylaeus 1962 



sequoiae Michener, Osmia 2045 



sequoiarum (Brues), Proctotrupes 1125 



sequoiarum Wheeler, Stenamma 1359 



sera Stebbins, Cynips 1107 



serca Viereck, Odontophotopsis 1300 



serenitas Mickel, Dasymutilla 1312 



serenum (Fabricius), Myzinum 1267 



sericans Curtis, Mesochorus 705 



sericata (Viereck), Apsilops 447 



sericatus Cresson, Pompilus 1554 



sericatus Cresson, Tachytes 1624 



sericea Bohart and Bohart, Larropsis 1620 



sericea Cresson, Osmia 2044 



sericea (Dalman), Blastothrix 923 



sericea Murray, Podalonia 1588 



sericea (Norton), Sterictiphora 23 



sericea Provancher, Limneria 673 



sericea (Provancher), Symphya 217 



sericea Spinola, Monedula 1705 



sericeiformis Rohwer, Schizocerus 25 



sericeifrons Davis, Exol3rtus 420 



sericeifrons Provancher, Cryptus 419 



sericeus Banks, Dipogon 1535 



sericeus (Forster), Agapostemon 1953 



sericeus (Hartig), Dolichomitus 330 



sericeus Provancher, Mesostenus 419 



sericeus Robertson, Oxybelus 1656 



sericeus (Say), Chelonus 232 



sericeus Say, Dolerus [s] 45 



sericeus Say, Tremex 130 



sericifrons Bohart, Maricopodynerus 1482 



sericifrons Smith, Ancistromma 1622 



Sericopompilus Howard 1548 



Serimus Brethes 795 



serissimae Rohwer, Euura 77 



Serlion Say 1151 



serotina Robertson, Andrena 1846 



serotina Smith, Sterictiphora 23 



serpedontes Ashmead, Atractodes 430 



serpedontus Cushman, Atractodes 430 



serpentis Weber, Eciton 1328 



Serphus Schrank 1124 



Serrano Evans, Pompilus 1562 



Serrano Pate, Belomicrus 1652 



Serrano Pate, Pulverro 1610 



serranum Cockerell, Anthidium 1992 



serrata Burdick, Xyela 9 



serrata (Handlirsch), Stictiella 1717 



serrata Taylor, Chrysis 1229 



serrata Townes, Netelia 360 



serratae Heinrich, Platylabus 545 



serraticaudus (Pratt), Meringopus 466 



serratum Roger, Stigmatomma 1335 



serratus Thomson, Cryptus 466 



serricauda Baker, Coelioxys 2077 



serricornis (Brues), Codrus 1126 



serricornis (Kinsey), Callirhytis 1106 



serripes (Fabricius), Cerceris 1737 



serrula Wong and Ross, Pristiphora 65 



serrulatae Dunning, Philanthus 1725 



sertifer (Geoffroy), Neodiprion 36 



Serviformica Forel 1448 



Servillei Brulle, Chrysis 1232 



servillei Brulle, Tremex 130 



Servillei Lepeletier, Campsomeris 1317 



servillei Lepeletier, Pelopoeus 1578 



servillei Lepeletier, Sphex 1581 



