2436 Hymenoptera in America North of Mexico 



rioverdei Allen and Krombein, 



Neotiphia 1262 



Riparena Pate 1611 



ripariella Cockerell, Andrena 1797 



ripariellum (Cockerell), Lasioglossum 1958 



riparii Schwarz, Dianthidium 1995 



riparius Davis, Mesoleptus 595 



riparius MacGillivray, Urocerus 129 



ripula MacGillivray, Tenthredo 110 



rita Mitchell, Megachile 2066 



ritcheri Ross, Hoplocampa 53 



ritus Heinrich, Cratichneumon 495 



Ritzemabosia Smits van Burgst 591 



rivalis Bohart, Chrysis 1231 



rivalis (Cresson), Hyposoter 679 



rivalis Cresson, Melissodes 2144 



rivalis Cresson, Nomada 2108 



rivalis Davis, Dialges 604 



rivalis Girault, Gonatocerus 1026 



rivalis Timberlake, Perdita 1892 



Rivalisia Strand 1947 



rivertonensis Cockerell, Nomada 2111 



rivertonensis Viereck, Passalaccus 1605 



rivularis Cameron, Ancistrocerus 1495 



rivularis Kincaid, Pteronus 71 



robbinsi Benson, Pontania 73 



roberti Lindqvist, Pteronidea 69 



robertsi Timberlake, Perdita 1887 



robertsonella Cockerell, Nomada 2101 



Robertsonella Titus 2019 



robertsonellum Michener, Lasioglossum 1965 



robertsoni (Cockerell), Anthidiellum [s] 1999 



Robertsoni Cockerell, Augochlora 1949 



robertsoni Cockerell, Pseudomasaris 1472 



robertsoni Cockerell, Tetralonia 2125 



robertsoni (Crawford), Evylaeus 1961 



robertsoni Crawford, Leucospis 875 



robertsoni Crawford, Neopasites 2086 



robertsoni Crawford, Perilampus 772 



robertsoni Gahan, Orasema 876 



robertsoni Malloch, Tiphia 1257 



robertsoni Rohwer, Anacrabro [s] 1658 



robertsoni (Rohwer), Enoplolindenius 1676 



robertsoni Timberlake, Stelis 2004 



robertsoni! Baker, Oxybelus 1656 



robertsonii Dalla Torre, Andrena 1846 



robertsoni! Dalla Torre, Colletes 1752 



robertsonii Fox, Cerceris [s] 1736 



robervalensis Mitchell, Andrena 1786 



robiniae (Fitch), Apanteles 253 



robiniae Forbes, Nematus 69 



robiniaecola (Ashmead), Gastrancistrus 792 



robinsonae (Rohwer), Pachynematus 58 



Robinsoni Roman, Stilpnus 428 



robinsonii Cresson, Ceropales [s] 1570 



roborator (Fabricius), Exeristes 321 



roboratrix Schulz, Pimpla 322 



robsonensis (Dasch), Syrphoctonus 718 



robsonensis Fischer, Opius 212 



robusta (Allen), Krombeinia 1262 



robusta Baker, AUoxysta 1059 



robusta Cameron, Paratiphia 1264 



robusta (Cresson), Brachymeria 873 



robusta (Cresson), Podalonia 1588 



robusta Kirby, Siobla 99 



robusta (Marlatt), Phyllocolpa 75 



robusta (Nylander), Hoplitis 2019 



robusta Rudow, Pimpla 322 



robusta (Walley), Dusona 642 



robustella Wolcott, Chalcis 873 



robustiformis Rohwer, Pachynematus 59 



robustior Cockerell, Melissodes 2150 



robustior Fouts, Belyta 1137 



robustior Williams, Tachysphex 1632 



robustisoma Strand, Sphex 1581 



robustula (Cockerell), Anthocopa 2022 



robustula Timberlake, Perdita 1931 



robustum Huber, Callimome 754 



robustus Ashmead, Urosigalphus 274 



robustus (Brues), Gryon 1158 



robustus (Crawford), Entedon 1019 



robustus (Crawford), Evylaeus 1961 



robustus (Cresson), Diphyus 512 



robustus (Cresson), Meringopus [s] 465 



robustus Cresson, Metopius [s] 551 



robustus (Cresson), Triepeolus 2095 



robustus Davis, Syrphoctonus 718 



robustus Fouts, Trimorus 1165 



robustus Isely, Eumenes 1507 



robustus Marlatt, Pachynematus 59 



robustus Muesebeck, Macrocentrus 189 



robustus Provancher, AUantus 112 



robustus ProvEmcher, Eclytus 603 



robustus Provancher, Odynerus 1510 



robustus Provancher, Perilitus 283 



robustus Provancher, Phygadeuon 441 



robustus Provancher, Taxonus 105 



robustus Rohwer, Odynerus 1497 



robustus (Strickland), Gelis 408 



robustus Swenk, Colletes 1752 



robustus Townes and G Townes, 



Aplomerus 389 



robustus Walley, Smicroplectrus 379 



robustus Weld, Andricus 1088 



rociadensis Cockerell, Melecta 2172 



roda Allen, Tiphia 1259 



roddi (Gussakovsky), Bruchophagus 850 



rodecki Cockerell, Andrena 1836 



rodecki Cockerell, Hesperapis [s] 1980 



rodecki Mitchell, Nomada 2110 



rodecki Schwarz, Anthidium 1991 



rodeoensis Allen, Tiphia 1259 



ROGADINAE 177 



rogae Cushman, Cyrtobasis 398 



rogalis Cresson, Ichneumon 513 



Rogas Nees 179 



rogeri Shinn, Calliopsis 1868 



Rogeria Emery 1391 



rogersi Townes, Netelia 364 



rohweri Bradley, Pseudomasaris 1471 



rohweri Bridwell, Silaon 1637 



rohweri (Brues), Sussaba 726 



rohweri Cockerell, Dioxys 2006 



rohweri Cockerell, Megachile [s] 2060 



rohweri Cockerell, Nomada [s] 2113 



Rohweri Cockerell, Osmia 2034 



rohweri Cockerell, Sphecodes 1977 



rohweri Cockerell, Triepeolus 2095 



