| Subgenus | Nomada (Centrias) Robertson, 1903
| 1 | Species |
| Subgenus | Nomada (Gnathias) Robertson, 1903
| 3 | Species |
| Subgenus | Nomada (Heminomada) Cockerell & Atkins, 1902 ⇒ Nomada
| 0 | Species |
| Subgenus | Nomada (Holonomada) Robertson, 1903 ⇒ Nomada
| 0 | Species |
| Subgenus | Nomada (Laminomada) Rodeck, 1947 ⇒ Nomada
| 0 | Species |
| Subgenus | Nomada (Nomada) alboguttata Herrich-Schaeffer, 1839 Cuckoo Bees, Nomad Bees, Nomadine Bees | 14 | Species |
| Subgenus | Nomada (Nomadita) Mocsáry, 1894 ⇒ Nomada
| 1 | Species |
| Subgenus | Nomada (Nomadula) Cockerell, 1903 ⇒ Nomada
| 2 | Species |
| Subgenus | Nomada (Pachynomada) Rodeck, 1945 ⇒ Nomada
| 0 | Species |
| Subgenus | Nomada (Phelonomada) Snelling, 1986 ⇒ Nomada
| 0 | Species |
| Subgenus | Nomada (Xanthidium) Robertson, 1903 ⇒ Nomada
| 1 | Species |
| Species | Nomada abnormis Ducke, 1912
| | |
| Species | Nomada abtana Tshuneki, 1973
| | |
| Species | Nomada abyssinica Meade-Waldo, 1913
| | |
| Species | Nomada accentifera Perez, 1895 Chrysanthemum gall midge | | |
| Species | Nomada accepta Cresson, 1878
| | |
| Species | Nomada acutilabris Schwarz, 1990
| | |
| Species | Nomada adducta Cresson, 1878
| | |
| Species | Nomada adusta Smith, 1875
| | |
| Species | Nomada adustaspinae Lim & Lee, 2023
| | |
| Species | Nomada advena Smith, 1860
| | |
| Species | Nomada aethiopica Eardley & Schwarz, 1991
| | |
| Species | Nomada affabilis Cresson, 1878
| 3 | Subspecies |
| Species | Nomada africana Friese, 1911
| | |
| Species | Nomada agrestis Fabricius, 1787
| | |
| Species | Nomada agynia Cockerell, 1905
| | |
| Species | Nomada albidemaculata Lozinski, 1922
| | |
| Species | Nomada albilabris Fabricius, 1793
| | |
| Species | Nomada alboguttata Herrich-Schäffer, 1839 Large bear-clawed nomad bee | | |
| Species | Nomada alboscutellata Schwarz, 1990
| | |
| Species | Nomada aldrichi Cockerell, 1910
| | |
| Species | Nomada algira Mocsáry, 1883
| | |
| Species | Nomada alpha Cockerell, 1905
| 3 | Subspecies |
| Species | Nomada alpigena Schwarz, Gusenleitner & Mazzucco, 1999
| | |
| Species | Nomada alternata Kirby, 1802
| | |
| Species | Nomada amabilis Radoszkowski, 1876
| | |
| Species | Nomada amamiensis Hirashima, 1960
| | |
| Species | Nomada amblystoma Pérez, 1884
| | |
| Species | Nomada amoena Cresson, 1863
| | |
| Species | Nomada amorphae Swenk, 1913
| | |
| Species | Nomada amurensis Radoszkowski, 1876
| | |
| Species | Nomada angelarum Cockerell, 1903
| | |
| Species | Nomada angulata Swenk, 1913
| | |
| Species | Nomada annularis Olivier, 1811
| | |
| Species | Nomada anpingensis Strand, 1913
| 2 | Subspecies |
| Species | Nomada antennata Meade-Waldo, 1913
| | |
| Species | Nomada antonita
| | |
| Species | Nomada aprilina Swenk, 1913
| | |
| Species | Nomada aquilarum Cockerell, 1903
| | |
| Species | Nomada arasiana Tsuneki, 1973
| | |
| Species | Nomada arenaria Panzer, 1804
| | |
| Species | Nomada arenicola Swenk, 1913
| | |
| Species | Nomada argapa
| | |
| Species | Nomada argentata Herrich-Schäffer, 1839 Silver-sided nomad bee | | |
| Species | Nomada argentea Schwarz, 1966
| | |
| Species | Nomada ariasi Dusmet y Alonso, 1913
| | |
| Species | Nomada arizonica Cockerell, 1911
| | |
| Species | Nomada armata Herrich-Schäffer, 1839 Armed Nomad, Armed nomad bee, Scabious Cuckoo Bee | | |
| Species | Nomada armatella Cockerell, 1903 Armed Cuckoo Nomad Bee | | |
| Species | Nomada arrogans Schmiedeknecht, 1882
| | |
| Species | Nomada articulata Smith, 1854 Articulated Nomad | | |
| Species | Nomada ashabadensis Schwarz, 1987
| | |
| Species | Nomada ashmeadi Cockerell, 1903
| | |
| Species | Nomada asozuana Tsuneki, 1975
| | |
| Species | Nomada asteris Swenk, 1913
| | |
| Species | Nomada astori Cockerell, 1903
| | |
| Species | Nomada aswensis Tsuneki, 1973
| | |
| Species | Nomada atra Lim & Lee, 2023
| | |
| Species | Nomada atrata Smith, 1846
| | |
| Species | Nomada atrocincta Friese, 1920
| | |
| Species | Nomada atrofrontata Cockerell, 1903
| | |
| Species | Nomada atrohirta Friese, 1923
| | |
| Species | Nomada atroscutellaris Strand, 1921
| | |
| Species | Nomada attenuata Cockerell, 1929
| | |
| Species | Nomada attrita Cockerell, 1919
| | |
| Species | Nomada aurantifascia Eardley & Schwarz, 1991
| | |
| Species | Nomada australensis Perkins, 1912
| | |
| Species | Nomada australis Mitchell, 1962 Austral Cuckoo Nomad Bee | | |
| Species | Nomada austriaca Schmiedeknecht, 1882 ⇒ Nomada stigma
| | |
| Species | Nomada autumnalis Mitchell, 1962
| | |
| Species | Nomada avalonica Cockerell, 1938
| | |
| Species | Nomada azaleae Mitchell, 1962
| | |
| Species | Nomada aztecorum Cockerell, 1903
| 2 | Subspecies |
| Species | Nomada babai Tsuneki, 1986
| | |
| Species | Nomada babiyi M.Schwartz & K.Standfuss, 2007
| | |
| Species | Nomada baccata Smith, 1844 Bear-clawed nomad bee | 1 | Subspecies |
| Species | Nomada bakeri Cockerell, 1915
| | |
| Species | Nomada baldiniana Benzi, 1892
| | |
| Species | Nomada banahaonis Cockerell, 1915
| | |
| Species | Nomada barbilabris Perez, 1895 Chrysanthemum gall midge | | |
| Species | Nomada barcelonensis Cockerell, 1917
| | |
| Species | Nomada basalis Herrich-Schäffer, 1839
| | |
| Species | Nomada beaumonti Schwarz, 1967
| | |
| Species | Nomada belfragei Cresson, 1878
| | |
| Species | Nomada besseyi Swenk, 1913
| | |
| Species | Nomada bethunei Cockerell, 1903 Bethune'S Cuckoo Nomad Bee | | |
| Species | Nomada beulahensis Cockerell, 1903
| | |
| Species | Nomada biaulacis Lim & Lee, 2023
| | |
| Species | Nomada bicellula Schwarz, 1990
| | |
| Species | Nomada bicellularis Ducke, 1908
| | |
| Species | Nomada bicrista Swenk, 1913
| | |
| Species | Nomada bifasciata Olivier, 1811 Dusky-horned nomad bee, Littleleaf mockorange | 2 | Subspecies |
| Species | Nomada bifida Thomson, 1872 ⇒ Nomada (Nomadula) ruficornis
| | |
| Species | Nomada bifurcata Cockerell, 1903
| | |
| Species | Nomada biguttata Friese, 1909
| | |
| Species | Nomada bimaculata Schilling, 1849
| | |
| Species | Nomada binotata Robertson, 1903
| | |
| Species | Nomada biroi Friese, 1909
| | |
| Species | Nomada bisetosa Swenk, 1913
| | |
| Species | Nomada bishoppi Cockerell, 1911
| | |
| Species | Nomada bisignata Say, 1824
| | |
| Species | Nomada bispinosa Mocsáry, 1883
| | |
| Species | Nomada blepharipes Schmiedeknecht, 1882
| | |
| Species | Nomada bluethgeni Stoeckhert, 1943
| | |
| Species | Nomada bohartorum Moalif, 1988
| | |
| Species | Nomada bolivari Dusmet y Alonso, 1913
| | |
| Species | Nomada bonaerensis Holmberg, 1886
| | |
| Species | Nomada borealis Zetterstedt, 1838
| | |
| Species | Nomada bouceki Kocourek, 1985
| | |
| Species | Nomada braunsiana Schmiedeknecht, 1882
| | |
| Species | Nomada brevicornis Schmiedeknecht, 1882
| | |
| Species | Nomada brevis Saunders, 1908
| | |
| Species | Nomada breviuscula Schwarz, 1990
| | |
| Species | Nomada brewsterae Broemeling, 1989
| | |
| Species | Nomada bridgmaniana Smith, 1876
| | |
| Species | Nomada brunnea Schilling, 1848
| | |
| Species | Nomada bucephalae R.C.L.Perkins, 0
| | |
| Species | Nomada cadiza
| | |
| Species | Nomada californiae Cockerell, 1903
| | |
| Species | Nomada calimorpha Schmiedeknecht, 1882
| | |
| Species | Nomada calloptera Cockerell, 1918
| | |
| Species | Nomada calloxantha Cockerell, 1921
| | |
| Species | Nomada capillata Mitchell, 1962
| | |
| Species | Nomada capitalis Mitchell, 1962
| | |
| Species | Nomada capreae Kirby, 1802
| | |
| Species | Nomada carcaranensis Cockerell, 1917 ⇒ Nomada pampicola
| | |
| Species | Nomada carinicauda Cockerell, 1921
| | |
| Species | Nomada carnifex Mocsáry, 1883
| | |
| Species | Nomada carolinae
| | |
| Species | Nomada carthaginensis Dusmet y Alonso, 1932
| | |
| Species | Nomada caspia Morawitz, 1895 Reddell stygobromid, Reddell's cave amphipod | | |
| Species | Nomada castellana Dusmet y Alonso, 1913 Castell's nomad bee | | |
| Species | Nomada centenarii Dusmet y Alonso, 1932 ⇒ Nomada dolosa
| | |
| Species | Nomada ceylonica Cameron, 1897
| | |
| Species | Nomada chacoana Hurrell & Roig Alsina, 2009
| | |
| Species | Nomada cherkesiana Mavromoustakis, 1955
| | |
| Species | Nomada chrysopyga Morawitz, 1871
| | |
| Species | Nomada cincta Rossi, 1792
| | |
| Species | Nomada cincticornis Nylander, 1848 ⇒ Nomada armata
| | |
| Species | Nomada cinctiventris Schwarz, 1967
| | |
| Species | Nomada cingulata Fabricius, 1775
| | |
| Species | Nomada cinnabarina Morawitz, 1872
| 1 | Subspecies |
| Species | Nomada cinnaberina Morawitz, 1871
| | |
| Species | Nomada citrina Cresson, 1878
| 4 | Subspecies |
| Species | Nomada civilis Cresson, 1878
| 2 | Subspecies |
| Species | Nomada clarescens Cockerell, 1921
| | |
| Species | Nomada clarkii Cresson, 1903
| | |
| Species | Nomada cleopatra Schwarz, 1989
| | |
| Species | Nomada coelomeria Perez, 1884 ⇒ Nomada sanguinea
| | |
| Species | Nomada collarae Schwarz, 1964
| | |
| Species | Nomada collinsiana Cockerell, 1905
| | |
| Species | Nomada coloradella Cockerell, 1905
| | |
| Species | Nomada coloradensis Cresson, 1903
| | |
| Species | Nomada colorata Mitchell, 1962
| | |
| Species | Nomada comparata Cockerell, 1911
| | |
| Species | Nomada composita Mitchell, 1962 Composite Cuckoo Nomad Bee | | |
| Species | Nomada compressa Fabricius, 1787
| | |
| Species | Nomada compta Lepeletier, 1841
| | |
| Species | Nomada concessa Cockerell, 1919
| | |
| Species | Nomada concinnula Cockerell, 1921
| | |
| Species | Nomada concolor Schmiedeknecht, 1882
| | |
| Species | Nomada confinis Schmiedeknecht, 1882
| | |
| Species | Nomada confusa Schwarz & Gusenleitner, 2004
| | |
| Species | Nomada conjugens
| | |
| Species | Nomada conjungens Herrich-Schäffer, 1839 Fringeless nomad bee | | |
| Species | Nomada connectens Perez, 1884
| | |
| Species | Nomada connexa Kirby, 1802
| | |
| Species | Nomada consobrina Dufour, 1841 ⇒ Nomada lathburiana
| | |
| Species | Nomada conspicua Smith, 1864
| | |
| Species | Nomada corcyraea Schmiedeknecht, 1882
| | |
| Species | Nomada cordilabris Schwarz, 1990
| | |
| Species | Nomada cordillera Eardley & Schwarz, 1991
| | |
| Species | Nomada cordleyi Cresson, 1903
| | |
| Species | Nomada cornelliana
| | |
| Species | Nomada cornigera Kirby, 1802
| | |
| Species | Nomada coronata Perez, 1896
| | |
| Species | Nomada corvallisensis Cresson, 1903
| | |
| Species | Nomada costalis Brèthes, 1909
| | |
| Species | Nomada costaricensis Schrottky, 1920
| | |
| Species | Nomada coxalis Morawitz, 1877
| | |
| Species | Nomada crassula
| | |
| Species | Nomada crawfordi Cockerell, 1905
| 2 | Subspecies |
| Species | Nomada cressoni
| | |
| Species | Nomada cressonii Morawitz, 1877 Cresson'S Nomad, Cresson´s Nomad Bee, Twining screwstem | 2 | Subspecies |
| Species | Nomada cretensis Schulz, 1906
| | |
| Species | Nomada cristata Perez, 1896
| | |
| Species | Nomada crotchii Cresson, 1878
| 2 | Subspecies |
| Species | Nomada cruciger Panzer, 1799
| | |
| Species | Nomada crucigera Panzer, 1799
| | |
| Species | Nomada crucis Cresson, 1903
| | |
| Species | Nomada crudelis Cresson, 1878
| | |
| Species | Nomada cruenta Schmiedeknecht, 1882
| | |
| Species | Nomada cruralis Moure, 1960
| | |
| Species | Nomada cubensis Cresson, 1865 Winged surfclam | | |
| Species | Nomada cuneata Robertson, 1903 Cuneate Cuckoo Nomad Bee, Cuneate Nomada | | |
| Species | Nomada cuneatus Robertson, 1903
| | |
| Species | Nomada curvispinosa Schwarz, 1981
| | |
| Species | Nomada custeriana Cockerell, 1911
| | |
| Species | Nomada cymbalariae Cockerell, 1906
| | |
| Species | Nomada cyphognata Pérez, 1884
| | |
| Species | Nomada cypriaca Schwarz, 1999
| | |
| Species | Nomada cypricola Mavromoustakis, 1955
| | |
| Species | Nomada dahli Friese, 1912
| | |
| Species | Nomada dalii Curtis, 1832
| | |
| Species | Nomada dallatorreana Schmiedeknecht, 1882
| | |
| Species | Nomada davidsoni Cresson, 1903
| | |
| Species | Nomada dawsoni Swenk, 1912
| | |
| Species | Nomada debilis Timberlake, 1954
| | |
| Species | Nomada decempunctata Cresson, 1903
| | |
| Species | Nomada decepta Mitchell, 1962
| | |
| Species | Nomada dentariae Robertson, 1903
| | |
| Species | Nomada depressa Cresson, 1863 Depressed Cuckoo Nomad Bee | | |
| Species | Nomada detrita Mitchell, 1962
| | |
| Species | Nomada diacantha Schwarz, 1981
| | |
| Species | Nomada diervillae Tsuneki, 1973 ⇒ Nomada silvicola
| | |
| Species | Nomada dilucida Cresson, 1878
| | |
| Species | Nomada diluta Pérez, 1884
| | |
| Species | Nomada dira Schmiedeknecht, 1882
| | |
| Species | Nomada discedens Perez, 1884
| | |
| Species | Nomada discicollis Morawitz, 1875
| | |
| Species | Nomada discrepans Schmiedeknecht, 1882
| | |
| Species | Nomada dispar Perez, 1895 ⇒ Nomada gribodoi
| | |
| Species | Nomada dissessa Cockerell, 1920
| | |
| Species | Nomada distinguenda Morawitz, 1874
| | |
| Species | Nomada dives Erichson, 1849
| | |
| Species | Nomada dolichoglossa Cockerell, 1929
| | |
| Species | Nomada dolosa Mocsáry, 1883
| | |
| Species | Nomada dreisbachi Mitchell, 1962
| | |
| Species | Nomada dreisbachorum Moalif, 1988
| | |
| Species | Nomada dubia Eversmann, 1852
| | |
| Species | Nomada duodecimmaculata Rossi, 1790 ⇒ Melecta (Melecta) duodecimmaculata
| | |
| Species | Nomada duplex Smith, 1854
| | |
| Species | Nomada durangoae Broemeling, 1989
| | |
| Species | Nomada dusmetella Perez, 1913 ⇒ Nomada illustris
| | |
| Species | Nomada dybovskij Radoszkowski, 1876
| | |
| Species | Nomada ecarinata Morawitz, 1888
| | |
| Species | Nomada ednae Cockerell, 1907
| | |
| Species | Nomada edwardsii Cresson, 1878 Edwards´ Nomad Bee | 2 | Subspecies |
| Species | Nomada electa Cresson, 1863
| | |
| Species | Nomada electella Cresson, 1903
| | |
| Species | Nomada elegantula Cresson, 1903
| | |
| Species | Nomada elrodi Cresson, 1903
| | |
| Species | Nomada emarginata Morawitz, 1877
| | |
| Species | Nomada eos Schmiedeknecht, 1882
| | |
| Species | Nomada errans Lepeletier, 1841 Purbeck nomad bee | | |
| Species | Nomada erythra Mitai, Hirashima & Tadauchi, 2007
| | |
| Species | Nomada erythraea Dalla Torre, 1896
| | |
| Species | Nomada erythrocephala Morawitz, 1870
| | |
| Species | Nomada erythrochroa Cresson, 1903
| | |
| Species | Nomada erythrospila Cockerell, 1916
| | |
| Species | Nomada esakii Yasumatsu & Hirashima, 1953 ⇒ Nomada amurensis
| | |
| Species | Nomada esana Tsuneki, 1973
| | |
| Species | Nomada excellens
| | |
| Species | Nomada excisa Perez, 1890 ⇒ Nomada bispinosa
| | |
| Species | Nomada excurrens
| | |
| Species | Nomada exheredans Cockerell, 1919
| | |
| Species | Nomada eximia Eardley & Schwarz, 1991
| | |
| Species | Nomada fabriciana Linnaeus, 1767 Fabricius' Nomad Bee, Fabricius´ Nomad Bee | | |
| Species | Nomada fabriciella Kirby, 1802
| | |
| Species | Nomada facilis Schwarz, 1967 Hawk's-beard Nomad Bee | | |
| Species | Nomada fallax Perez, 1913
| | |
| Species | Nomada faventiana Perez, 1902 ⇒ Nomada fenestrata
| | |
| Species | Nomada fedtschenkoi Morawitz, 1875
| | |
| Species | Nomada felici Schwarz, 1977
| | |
| Species | Nomada femoralis Morawitz, 1869
| | |
| Species | Nomada fenestrata Lepeletier, 1841
| 1 | Subspecies |
| Species | Nomada fennica Alfken, 1924
| | |
| Species | Nomada ferghanica Morawitz, 1875
| | |
| Species | Nomada ferroviaria Dusmet y Alonso, 1913 ⇒ Nomada glaucopis
| | |
| Species | Nomada ferruginata Linnaeus, 1767 Willow Nomad-Bee, Yellow-shouldered nomad bee | 2 | Subspecies |
| Species | Nomada fervens Smith, 1873 Alternate-leaf dogwood, Alternateleaf dogwood | | |
| Species | Nomada fervida Smith, 1854
| | |
| Species | Nomada festiva Cresson, 1863 ⇒ Nomada italica
| | |
| Species | Nomada flammigera Cockerell, 1906
| | |
| Species | Nomada flava Panzer, 1798 Ballona cinquefoil, Flavous Nomad Bee, Tricoloured Nomad | | |
| Species | Nomada flavescens Friese, 1917
| | |
| Species | Nomada flaviceps Cresson, 1865 Winged surfclam | | |
| Species | Nomada flavicornis Rossi, 1790
| | |
| Species | Nomada flavigenis M.Schwartz & K.Standfuss, 2007
| | |
| Species | Nomada flavilabris Morawitz, 1875
| | |
| Species | Nomada flavinervis Brullé, 1832 Sally Lightfoot crab | | |
| Species | Nomada flavoguttata Kirby, 1802 Little Nomad Bee, Small Nomad, Small nomad bee | 1 | Subspecies |
| Species | Nomada flavomaculata Lucas, 1846 ⇒ Nomada basalis
| | |
| Species | Nomada flavopicta Kirby, 1802 ⇒ Nomada hesperia Blunthorn Nomad, Blunthorn nomad bee | 2 | Subspecies |
| Species | Nomada flavozonata Nurse, 1902
| | |
| Species | Nomada floricola Tsuneki, 1973 ⇒ Nomada panzeri
| | |
| Species | Nomada florilega Lovell & Cockerell, 1905 Flower Cuckoo Nomad Bee | | |
| Species | Nomada fontis Cockerell, 1910
| | |
| Species | Nomada formula Viereck, 1902
| | |
| Species | Nomada fowleri
| | |
| Species | Nomada fragilis Cresson, 1878
| 2 | Subspecies |
| Species | Nomada frankei Cockerell, 1929
| | |
| Species | Nomada fraudassicula Pittioni, 1950
| | |
| Species | Nomada frieseana Cockerell, 1904
| | |
| Species | Nomada friesiana
| | |
| Species | Nomada fucata Panzer, 1798 Ballona cinquefoil, Fucate Nomad, Painted nomad bee | | |
| Species | Nomada fukuiana Tsuneki, 1973
| | |
| Species | Nomada fulvicornis Fabricius, 1793 6-Banded Nomad Bee, Kirby's Nomad Bee, Yellow-Horned Nomad | 3 | Subspecies |
| Species | Nomada furva Panzer, 1798 Ballona cinquefoil | 3 | Subspecies |
| Species | Nomada furvoides Stoeckhert, 1944
| | |
| Species | Nomada fusca Schwarz, 1986
| | |
| Species | Nomada fuscicincta Swenk, 1915
| | |
| Species | Nomada fuscicornis Nylander, 1848 Blue Ridge Mountain amphipod, Blue Ridge stygobromid | | |
| Species | Nomada fuscipennis Lepeletier, 1841
| | |
| Species | Nomada galloisi Yasumatsu & Hirashima, 1953
| | |
| Species | Nomada garciana Cockerell, 1907
| | |
| Species | Nomada germanica Panzer, 1799
| | |
| Species | Nomada gerundica Perez, 1913 ⇒ Nomada nigrovaria
| | |
| Species | Nomada gibba Fabricius, 1775
| | |
| Species | Nomada gibbosa Viereck, 1905 Twining screwstem | | |
| Species | Nomada gigas Friese, 1905
| | |
| Species | Nomada gillettei Cockerell, 1905
| | |
| Species | Nomada ginran Tsuneki, 1973
| | |
| Species | Nomada glabella Thomson, 1870 ⇒ Nomada panzeri Bilberry nomad bee | | |
| Species | Nomada glaberrima Schmiedeknecht, 1882
| | |
| Species | Nomada glabriventris Schwarz, 1990
| | |
| Species | Nomada glaucopis Perez, 1890
| | |
| Species | Nomada goodeniana Kirby, 1802 Gooden's nomad bee, Gooden´s Nomad Bee | | |
| Species | Nomada gracilicornis Morawitz, 1895 Reddell stygobromid, Reddell's cave amphipod | | |
| Species | Nomada gracillima Lozinski, 1922
| | |
| Species | Nomada graenicheri Cockerell, 1905
| | |
| Species | Nomada grandior Friese, 1921 Pickle Springs amphipod, Pickle Springs stygobromid | | |
| Species | Nomada grandis Cresson, 1875
| | |
| Species | Nomada gransassoi Schwarz, 1986
| | |
| Species | Nomada grayi Cockerell, 1903
| 2 | Subspecies |
| Species | Nomada gredosiana Schwarz & Gusenleitner, 2013
| | |
| Species | Nomada gribodoi Schmiedeknecht, 1882
| | |
| Species | Nomada grindeliae Cockerell, 1903 ⇒ Brachynomada (Melanomada) grindeliae
| | |
| Species | Nomada gruenwaldti Schwarz, 1979
| | |
| Species | Nomada guichardi Schwarz, 1981
| | |
| Species | Nomada guichardiana Eardley & Schwarz, 1991
| | |
| Species | Nomada gusenleitneri Schwarz, 1981
| | |
| Species | Nomada gutierreziae Cockerell, 1896
| | |
| Species | Nomada guttulata Schenck, 1861 Short-spined nomad bee | | |
| Species | Nomada gyangensis Cockerell, 1911
| | |
| Species | Nomada hackoda Tsuneki, 1973
| | |
| Species | Nomada hakodatensis Tsuneki, 1976 ⇒ Nomada hackoda
| | |
| Species | Nomada hakonensis Cockerell, 1911
| | |
| Species | Nomada hakusana Tsuneki, 1973
| | |
| Species | Nomada halophila Wood, 2022
| | |
| Species | Nomada hammarstroemi Morawitz, 1888
| | |
| Species | Nomada hanedai Tsuneki, 1976 ⇒ Nomada hackoda
| | |
| Species | Nomada hararensis Meade-Waldo, 1913
| | |
| Species | Nomada harimensis Cockerell, 1914
| | |
| Species | Nomada hattorfiana Fabricius, 1775 ⇒ Andrena (Charitandrena) hattorfiana
| | |
| Species | Nomada heiligbrodtii Cresson, 1878 ⇒ Nomada texana
| | |
| Species | Nomada heleniella
| | |
| Species | Nomada hemphilli Cockerell, 1903
| | |
| Species | Nomada henningeri Evans, 1972
| | |
| Species | Nomada hera Schwarz, 1965
| | |
| Species | Nomada hesperia Cockerell, 1903
| 2 | Subspecies |
| Species | Nomada heterosticta Cockerell, 1921
| | |
| Species | Nomada hiackogawa Tsuneki, 1973 ⇒ Nomada fervens
| | |
| Species | Nomada hillana Kirby, 1802 ⇒ Nomada striata
| | |
| Species | Nomada hirticeps Perez, 1895 Chrysanthemum gall midge | | |
| Species | Nomada hirtipes Perez, 1884 Long-horned nomad bee | | |
| Species | Nomada hirtiventris Schwarz, 1990
| | |
| Species | Nomada hispanica Dusmet y Alonso, 1913
| | |
| Species | Nomada histrio Fabricius, 1775
| | |
| Species | Nomada holmbergiana Hurrell & Roig Alsina, 2009
| | |
| Species | Nomada hondurasica Cockerell, 1949
| | |
| Species | Nomada hoodiana Cockerell, 1903
| | |
| Species | Nomada hummeli Alfken, 1936
| | |
| Species | Nomada hungarica Dalla Torre & Friese, 1894
| | |
| Species | Nomada hurdi Evans, 1972
| | |
| Species | Nomada hydrophylli Swenk, 1915
| | |
| Species | Nomada ibanezi Dusmet & Alonso, 1915
| | |
| Species | Nomada icazti Tsuneki, 1976
| | |
| Species | Nomada idahoensis Swenk, 1913
| | |
| Species | Nomada illinoensis Robertson, 1900 ⇒ Nomada illinoiensis Illinois Cuckoo Nomad Bee | | |
| Species | Nomada illinoiensis Robertson, 1900
| | |
| Species | Nomada illustris Schmiedeknecht, 1882
| | |
| Species | Nomada imbricata Smith, 1854 Imbricate Cuckoo Nomad Bee | | |
| Species | Nomada immaculata Morawitz, 1874
| | |
| Species | Nomada imperialis Schmiedeknecht, 1882
| | |
| Species | Nomada incerta
| | |
| Species | Nomada incisa Schmiedeknecht, 1882
| | |
| Species | Nomada indusata Mitchell, 1962 ⇒ Nomada (Nomada) augustiana
| | |
| Species | Nomada inepta Mitchell, 1962 ⇒ Nomada (Nomada) gracilis
| | |
| Species | Nomada inermis Perez, 1895 Chrysanthemum gall midge | | |
| Species | Nomada infrequens Smith, 1879 Bunchberry dogwood, Canadian bunchberry | | |
| Species | Nomada inquilina Smith, 1844
| | |
| Species | Nomada insignipes Schmiedeknecht, 1882
| 2 | Subspecies |
| Species | Nomada insularis Smith, 1864
| | |
| Species | Nomada integra Brullé, 1832 ⇒ Nomada (Nomada) integerrima Cat's-ear Nomad Bee, Catsear nomad bee | 2 | Subspecies |
| Species | Nomada interruptella Fowler, 1902
| | |
| Species | Nomada israelis Schwarz, Smit & Gusenleitner, 2018
| | |
| Species | Nomada issikii Yasumatsu, 1939
| | |
| Species | Nomada italica Dalla Torre & Friese, 1894
| | |
| Species | Nomada itamera Cockerell, 1910
| | |
| Species | Nomada iwakiyamana Tsuneki, 1986 ⇒ Nomada shirakii
| | |
| Species | Nomada jacobaea Panzer, 1799
| | |
| Species | Nomada jacobaeae Panzer, 1799
| | |
| Species | Nomada jacobeae Panzer, 1799
| | |
| Species | Nomada jamaicensis Cockerell, 1912
| | |
| Species | Nomada jammuensis Schwarz, 1990
| | |
| Species | Nomada japonica Smith, 1873 Alternate-leaf dogwood, Alternateleaf dogwood | | |
| Species | Nomada jaramense Dusmet y Alonso, 1913
| | |
| Species | Nomada javaensis Schwarz & Gusenleitner, 2004
| | |
| Species | Nomada javanica Friese, 1909
| | |
| Species | Nomada jennei Cockerell, 1906
| | |
| Species | Nomada jocularis Cresson, 1879
| | |
| Species | Nomada julliani Schmiedeknecht, 1882 ⇒ Nomada panurgina
| | |
| Species | Nomada kaguya Hirashima, 1953
| | |
| Species | Nomada keroanensis Perez, 1895 Chrysanthemum gall midge | | |
| Species | Nomada kervilleana Perez, 1913
| | |
| Species | Nomada kincaidiana Cockerell, 1903
| | |
| Species | Nomada kingstonensis Mitchell, 1962 ⇒ Nomada lehighensis
| | |
| Species | Nomada kinosukei Tsuneki, 1973
| | |
| Species | Nomada kirbyella Stephens, 1846
| | |
| Species | Nomada kirbyi Lepeletier, 1841
| | |
| Species | Nomada klamathensis Fox, 1926
| | |
| Species | Nomada kobrowi Brauns, 1912
| | |
| Species | Nomada kocoureki Schwarz, 1987
| | |
| Species | Nomada koebelei Cockerell, 1911 ⇒ Nomada fervens
| | |
| Species | Nomada kohli Schmiedeknecht, 1882
| | |
| Species | Nomada koikensis Tsuneki, 1973
| | |
| Species | Nomada komarowi Radoszkowski, 1893
| | |
| Species | Nomada koreana Cockerell, 1926
| | |
| Species | Nomada kornosica Mavromoustakis, 1958
| | |
| Species | Nomada kotomaria Tsuneki, 1986 ⇒ Nomada shirakii
| | |
| Species | Nomada kriesteni Schwarz & Gusenleitner, 2013
| | |
| Species | Nomada krombeini Schwarz, 1966
| | |
| Species | Nomada krueperi Schmiedeknecht, 1882
| | |
| Species | Nomada krugii Cresson, 1878
| | |
| Species | Nomada kuro Tsuneki, 1976 ⇒ Nomada leucophthalma
| | |
| Species | Nomada kusdasi Schwarz, 1981
| | |
| Species | Nomada labiata Olivier, 1811
| | |
| Species | Nomada ladakhiensis Schwarz, 1990
| | |
| Species | Nomada laevilabris Schmiedeknecht, 1882 ⇒ Nomada sanguinea
| | |
| Species | Nomada lagrecai Noble, 1990
| | |
| Species | Nomada lamarensis Cockerell, 1905
| | |
| Species | Nomada lamellata Schwarz, 1977
| | |
| Species | Nomada lanceolata Lepeletier, 1841
| | |
| Species | Nomada laramiensis Swenk, 1913
| | |
| Species | Nomada lateralis Saunders, 1896
| | |
| Species | Nomada lateritia Mocsáry, 1883
| | |
| Species | Nomada lateritis Mocsáry, 1883
| | |
| Species | Nomada lathburiana Kirby, 1802 Lathbury's nomad bee, Lathbury´s Nomad | | |
| Species | Nomada laticrus Mocsáry, 1883
| | |
| Species | Nomada latifrons Cockerell, 1903
| | |
| Species | Nomada legoffi Dufrêne, 2021
| | |
| Species | Nomada lehighensis Cockerell, 1903 Lehigh Gap Cuckoo Nomad Bee | | |
| Species | Nomada lepeletieri Perez, 1884 ⇒ Nomada bifasciata
| | |
| Species | Nomada lepida Cresson, 1863 Charming Cuckoo Nomad Bee | | |
| Species | Nomada leucophthalma Kirby, 1802 Early Nomad, Early nomad bee | | |
| Species | Nomada leucosticta Pérez, 1884
| | |
| Species | Nomada leucotricha Strand, 1914
| | |
| Species | Nomada leucozona Rodeck, 1931
| | |
| Species | Nomada lewisi Cockerell, 1903
| | |
| Species | Nomada libata Cresson, 1878
| | |
| Species | Nomada limassolica Mavromoustakis, 1955
| | |
| Species | Nomada limata Cresson, 1878
| 2 | Subspecies |
| Species | Nomada lineata Fabricius, 1787 ⇒ Oxybelus lineatus
| | |
| Species | Nomada lineola Panzer, 1798 ⇒ Nomada fulvicornis
| 2 | Subspecies |
| Species | Nomada linsenmaieri Schwarz, 1974
| | |
| Species | Nomada linsleyi Evans, 1972
| | |
| Species | Nomada lippiae Cockerell, 1903
| 2 | Subspecies |
| Species | Nomada litigiosa Gribodo, 1893
| | |
| Species | Nomada lituripes Pérez, 1902
| | |
| Species | Nomada longicornis Friese, 1920
| | |
| Species | Nomada longipalpis Schwarz & Smit, 2020
| | |
| Species | Nomada longula Hurrell & Roig Alsina, 2009
| | |
| Species | Nomada louisianae Cockerell, 1903
| | |
| Species | Nomada lucidula Schwarz, 1967
| | |
| Species | Nomada lucilla Nurse, 1902
| | |
| Species | Nomada lusca Smith, 1854
| | |
| Species | Nomada lutea Eversmann, 1852
| | |
| Species | Nomada luteola Olivier, 1811 Littleleaf mockorange, Thyme-leaf mock orange | | |
| Species | Nomada luteoloides Robertson, 1895 ⇒ Nomada (Nomada) sulphurata Black-And-Yellow Nomad Bee | | |
| Species | Nomada luteopicta Cockerell, 1905
| | |
| Species | Nomada maculata Cresson, 1863 Spotted Nomad Bee | | |
| Species | Nomada maculicornis Perez, 1884
| | |
| Species | Nomada maculifrons Smith, 1869 Round-leaf dogwood, Roundleaf dogwood | | |
| Species | Nomada maculipennis Cameron, 1902
| | |
| Species | Nomada maculiventer Swenk, 1915
| | |
| Species | Nomada magnifica
| | |
| Species | Nomada makilingensis Cockerell, 1915
| | |
| Species | Nomada malayana Cameron, 1909
| | |
| Species | Nomada malonella Cockerell, 1910
| | |
| Species | Nomada malonina Cockerell, 1910
| | |
| Species | Nomada mamiyai Tsuneki, 1976 ⇒ Nomada towada
| | |
| Species | Nomada mandibularis Schwarz & Gusenleitner, 2013
| | |
| Species | Nomada manni Morawitz, 1871
| | |
| Species | Nomada margelanica Schwarz, 1987
| | |
| Species | Nomada marginella Cockerell, 1903
| | |
| Species | Nomada marshamella Kirby, 1802 Marsham's nomad bee, Marsham´s Nomad Bee | | |
| Species | Nomada martinella Cockerell, 1903
| | |
| Species | Nomada mauritanica Lepeletier, 1841
| 3 | Subspecies |
| Species | Nomada mavromoustakisi M.Schwartz & K.Standfuss, 2007
| | |
| Species | Nomada mckenziei Timberlake & Cockerell, 1937
| | |
| Species | Nomada medellinenses Velez-Ruiz & Smith-Pardo, 2013
| | |
| Species | Nomada media Mitchell, 1962
| | |
| Species | Nomada mediana Swenk, 1913
| | |
| Species | Nomada melanoptera Cockerell, 1921
| | |
| Species | Nomada melanopyga Schmiedeknecht, 1882
| | |
| Species | Nomada melanosoma Cockerell, 1916
| | |
| Species | Nomada melanura Mocsáry, 1883
| | |
| Species | Nomada melathoracica Imhoff, 1834
| | |
| Species | Nomada melitensis Costa, 1893
| | |
| Species | Nomada melliventris Cresson, 1878
| | |
| Species | Nomada mendica Mitchell, 1962
| | |
| Species | Nomada mephisto Schmiedeknecht, 1882 ⇒ Nomada mauritanica
| | |
| Species | Nomada mera
| | |
| Species | Nomada merceti Alfken, 1909
| | |
| Species | Nomada meridionalis Schmiedeknecht, 1882
| | |
| Species | Nomada mesopotamica Hurrell & Roig Alsina, 2009
| | |
| Species | Nomada mexicana Cresson, 1878
| | |
| Species | Nomada micronycha Perez, 1902
| | |
| Species | Nomada mimus Cockerell, 1916
| | |
| Species | Nomada mindanaonis Cockerell, 1915
| | |
| Species | Nomada miniata Smith, 1854
| | |
| Species | Nomada minima Mitchell, 1962
| | |
| Species | Nomada minor Gmelin, 1790 Cinnamon fern | | |
| Species | Nomada minuscula Noskiewicz, 1930 ⇒ Nomada sheppardana
| | |
| Species | Nomada minuta Swenk, 1913
| | |
| Species | Nomada mishimana Tsuneki, 1976 ⇒ Nomada guttulata
| | |
| Species | Nomada missionica Hurrell & Roig Alsina, 2009
| | |
| Species | Nomada mistura Smith, 1851
| | |
| Species | Nomada mitaii Proshchalykin in Proshchalykin & Lelej, 2010
| | |
| Species | Nomada mitchelli Cockerell, 1911
| | |
| Species | Nomada mocsaryi Schmiedeknecht, 1882
| | |
| Species | Nomada modesta Cresson, 1863
| | |
| Species | Nomada modocorum
| | |
| Species | Nomada moeschleri Alfken, 1913
| | |
| Species | Nomada monozana Friese, 1920
| | |
| Species | Nomada monozona Friese, 1920
| | |
| Species | Nomada montana Mocsáry, 1894
| | |
| Species | Nomada montezumia Smith, 1879 Bunchberry dogwood, Canadian bunchberry | | |
| Species | Nomada montverna Tsuneki, 1973
| | |
| Species | Nomada moravitzii Radoszkowski, 1876
| | |
| Species | Nomada moricei Friese, 1899
| | |
| Species | Nomada morrisoni Cresson, 1878
| 1 | Subspecies |
| Species | Nomada muinensis Tsuneki, 1986 ⇒ Nomada leucophthalma
| | |
| Species | Nomada multicolor Ducke, 1911
| | |
| Species | Nomada munakatai Tsuneki, 1973 ⇒ Nomada ecarinata
| | |
| Species | Nomada munda Cresson, 1878
| | |
| Species | Nomada murotai Tsuneki, 1973 ⇒ Nomada hakonensis
| | |
| Species | Nomada mutabilis Morawitz, 1870
| | |
| Species | Nomada mutans Cockerell, 1910
| | |
| Species | Nomada mutica Morawitz, 1872
| | |
| Species | Nomada mutsuensis Tsuneki, 1986 ⇒ Nomada towada
| | |
| Species | Nomada nanaensis Tsuneki, 1973 ⇒ Nomada towada
| | |
| Species | Nomada nasuta Scopoli, 1770
| | |
| Species | Nomada nausica Schmiedeknecht, 1882
| | |
| Species | Nomada nausicaa Schmiedeknecht, 1882
| | |
| Species | Nomada navasi Dusmet y Alonso, 1913 ⇒ Nomada bifasciata
| | |
| Species | Nomada neomexicana Cockerell, 1903
| | |
| Species | Nomada nepalensis Schwarz, 1990
| | |
| Species | Nomada nesiotica Mavromoustakis, 1958
| | |
| Species | Nomada nigella Nylander, 1848
| | |
| Species | Nomada nigrescens Friese, 1921 Pickle Springs amphipod, Pickle Springs stygobromid | | |
| Species | Nomada nigrita Panzer, 1800
| | |
| Species | Nomada nigrociliata Swenk, 1913
| | |
| Species | Nomada nigrocincta Smith, 1879 Bunchberry dogwood, Canadian bunchberry | | |
| Species | Nomada nigrofasciata Swenk, 1913
| | |
| Species | Nomada nigroflavida Gribodo, 1894
| | |
| Species | Nomada nigrorufa Retzius, 1783
| | |
| Species | Nomada nigrovaria Perez, 1896
| | |
| Species | Nomada nipponica Yasumatsu & Hirashima, 1951
| | |
| Species | Nomada nitida Schwarz, 1977
| | |
| Species | Nomada nitidiceps Cockerell, 1931
| | |
| Species | Nomada nobilis Herrich-Schäffer, 1839
| | |
| Species | Nomada noskiewiczi Schwarz, 1966
| | |
| Species | Nomada novioregensis Pérez, 1902
| | |
| Species | Nomada numida Lepeletier, 1841
| 2 | Subspecies |
| Species | Nomada nunobensis Tsuneki, 1986 ⇒ Nomada panzeri
| | |
| Species | Nomada nuptura Dusmet y Alonso, 1913
| | |
| Species | Nomada nurukawa Tsuneki, 1973 ⇒ Nomada hackoda
| | |
| Species | Nomada obliqua Olivier, 1811 ⇒ Nomada obliquella
| | |
| Species | Nomada obliquella Fowler, 1902
| | |
| Species | Nomada obliterata Cresson, 1863 Obliterated Cuckoo Nomad Bee | | |
| Species | Nomada obscura Zetterstedt, 1838 ⇒ Nomada obscurella Narrowflower flaxflower | | |
| Species | Nomada obscurella Fowler, 1902
| | |
| Species | Nomada obscuriventris Schwarz, 1990
| | |
| Species | Nomada obstusata Swenk, 1915
| | |
| Species | Nomada obtusata Swenk, 1915 ⇒ Nomada obstusata
| | |
| Species | Nomada obtusifrons Nylander, 1848 Blue Ridge Mountain amphipod, Blue Ridge stygobromid | | |
| Species | Nomada ochlerata Mitchell, 1962
| | |
| Species | Nomada ochrohirta Swenk, 1913
| | |
| Species | Nomada ochrostoma Kirby, 1802 ⇒ Nomada striata
| | |
| Species | Nomada oculata Friese, 1921 Pickle Springs amphipod, Pickle Springs stygobromid | | |
| Species | Nomada odontocera Cockerell, 1916
| | |
| Species | Nomada odontophora Kohl, 1905
| | |
| Species | Nomada ohnonis Tsuneki, 1976 ⇒ Nomada asozuana
| | |
| Species | Nomada okamotonis Matsumura, 1912
| | |
| Species | Nomada okubira Tsuneki, 1973
| | |
| Species | Nomada opaca Alfken, 1913
| | |
| Species | Nomada opacella Timberlake, 1954
| | |
| Species | Nomada opposita Cresson, 1878
| | |
| Species | Nomada oralis Schwarz, 1981
| | |
| Species | Nomada orba Mitchell, 1962
| | |
| Species | Nomada orbitalis Perez, 1913
| | |
| Species | Nomada orcusella Cockerell, 1910
| | |
| Species | Nomada oregonica Cockerell, 1903
| | |
| Species | Nomada ornata Eversmann, 1852
| | |
| Species | Nomada ornithica Cockerell, 1906
| | |
| Species | Nomada orophila Cockerell, 1921
| | |
| Species | Nomada ortegai Dusmet & Alonso, 1915
| | |
| Species | Nomada osborni Cockerell, 1911
| | |
| Species | Nomada osimana Tsuneki, 1973 ⇒ Nomada towada
| | |
| Species | Nomada ovaliceps Schwarz, 1981
| | |
| Species | Nomada ovata Robertson, 1903 Orange-Tailed Nomad | | |
| Species | Nomada ovatus Robertson, 1903
| | |
| Species | Nomada pacata
| | |
| Species | Nomada pacifica Tsuneki, 1973
| | |
| Species | Nomada packardiella Cockerell, 1906
| | |
| Species | Nomada palavanica Cockerell, 1919
| | |
| Species | Nomada pallidella Cockerell, 1905
| | |
| Species | Nomada pallidelutea Swenk, 1915
| | |
| Species | Nomada pallidenotata Schmiedeknecht, 1882
| | |
| Species | Nomada pallidipicta Swenk, 1913
| | |
| Species | Nomada pallispinosa Schwarz, 1967
| | |
| Species | Nomada palmeni Morawitz, 1888
| | |
| Species | Nomada pampicola Holmberg, 1886
| | |
| Species | Nomada panamensis Michener, 1954 Long-legged cave amphipod, Long-legged cave stygobromid | | |
| Species | Nomada panurgina Morawitz, 1869
| | |
| Species | Nomada panurginoides Saunders, 1908
| | |
| Species | Nomada panzeri Lepeletier, 1841 Panzer's nomad bee, Panzer´s Nomad | 2 | Subspecies |
| Species | Nomada papuana Cockerell, 1933
| | |
| Species | Nomada parallela Swenk, 1913
| | |
| Species | Nomada parata Cresson, 1878
| | |
| Species | Nomada parkeri Evans, 1972
| | |
| Species | Nomada pascoensis Cockerell, 1903
| | |
| Species | Nomada pastoralis Schmiedeknecht, 1882
| | |
| Species | Nomada pecosensis Cockerell, 1903
| | |
| Species | Nomada pectoralis Morawitz, 1877
| | |
| Species | Nomada pekingensis Tsuneki, 1986
| | |
| Species | Nomada penangensis Cockerell, 1920
| | |
| Species | Nomada penniger
| | |
| Species | Nomada perbella Viereck, 1905
| | |
| Species | Nomada perezi Dusmet y Alonso, 1913
| | |
| Species | Nomada perivincta Cockerell, 1905
| 2 | Subspecies |
| Species | Nomada perplexa Cresson, 1863
| | |
| Species | Nomada perplexans Cockerell, 1910
| | |
| Species | Nomada pervasor Cockerell, 1919
| | |
| Species | Nomada pesenkoi Schwarz, 1987
| | |
| Species | Nomada physura Cockerell, 1903
| | |
| Species | Nomada piccioliana Magretti, 1883
| 1 | Subspecies |
| Species | Nomada picta Kirby, 1802
| | |
| Species | Nomada picticauda Cockerell, 1929
| | |
| Species | Nomada pictiscutum Alfken, 1927
| | |
| Species | Nomada pilipes Cresson, 1865
| | |
| Species | Nomada piliventris Morawitz, 1877
| | |
| Species | Nomada pilosula Cresson, 1879
| | |
| Species | Nomada placitensis Cockerell, 1903
| | |
| Species | Nomada planifrons Lozinski, 1922
| | |
| Species | Nomada platythorax Schwarz, 1981
| | |
| Species | Nomada platyventris Morawitz, 1886 ⇒ Nomada italica
| | |
| Species | Nomada pleurosticta Herrich-Schäffer, 1839
| | |
| Species | Nomada plumosa Gribodo, 1894
| | |
| Species | Nomada podagrica Gribodo, 1894
| | |
| Species | Nomada polemediana Mavromoustakis, 1957
| | |
| Species | Nomada polyacantha Perez, 1895 Chrysanthemum gall midge | | |
| Species | Nomada polybioides Ducke, 1908
| | |
| Species | Nomada polyodonta Cockerell, 1920
| | |
| Species | Nomada portalensis Broemeling, 1989
| | |
| Species | Nomada posthuma Blüthgen, 1949
| | |
| Species | Nomada poultoni Saunders, 1901 ⇒ Nomada mauritanica
| | |
| Species | Nomada priesneri Schwarz, 1965
| | |
| Species | Nomada priscilla Nurse, 1902
| | |
| Species | Nomada propinqua Schmiedeknecht, 1882
| | |
| Species | Nomada proxima Cresson, 1863
| | |
| Species | Nomada pruinosa Perez, 1895 Chrysanthemum gall midge | | |
| Species | Nomada pseudops Cockerell, 1905 ⇒ Nomada bethunei
| | |
| Species | Nomada psilocera Kohl, 1908
| | |
| Species | Nomada pulawskii Tsuneki, 1973
| | |
| Species | Nomada pulchra Arnold, 1888
| | |
| Species | Nomada pulsatillae Cockerell, 1906
| | |
| Species | Nomada punctata Fabricius, 1793
| | |
| Species | Nomada pusilla Lepeletier, 1841
| | |
| Species | Nomada putnami Cresson, 1876
| | |
| Species | Nomada pygidialis Schwarz, 1981
| | |
| Species | Nomada pygmaea Cresson, 1863 Pygmy Cuckoo Nomad Bee, Pygmy Nomad Bee | | |
| Species | Nomada pyrifera Cockerell, 1918
| | |
| Species | Nomada pyrrha Cockerell, 1916
| | |
| Species | Nomada quadridens Pérez, 1884
| | |
| Species | Nomada quadrifasciata Schwarz, 1981
| | |
| Species | Nomada quadrimaculata Robertson, 1903
| | |
| Species | Nomada quadrinotata Kirby, 1802
| | |
| Species | Nomada quadrispinosa Mocsáry, 1901
| | |
| Species | Nomada quinquefasciata Schwarz, 1981
| | |
| Species | Nomada radoszkowskii Lozinski, 1922
| | |
| Species | Nomada ranunculi Scopoli, 1770
| | |
| Species | Nomada rengnio Tsuneki, 1973 ⇒ Nomada calloptera
| | |
| Species | Nomada rhenana Morawitz, 1872
| | |
| Species | Nomada rhinula Strand, 1914
| | |
| Species | Nomada rhodalis Cockerell, 1903
| | |
| Species | Nomada rhodomelas Cockerell, 1903
| | |
| Species | Nomada rhodosoma Cockerell, 1903
| 2 | Subspecies |
| Species | Nomada rhodotricha Cockerell, 1903
| | |
| Species | Nomada rhodoxantha Cockerell, 1905
| | |
| Species | Nomada ridingsii Cresson, 1878
| | |
| Species | Nomada risiriensis Tsuneki, 1976 ⇒ Nomada fukuiana
| | |
| Species | Nomada rivalis Cresson, 1878
| | |
| Species | Nomada roberjeotiana Panzer, 1799 Tormentil nomad bee | 1 | Subspecies |
| Species | Nomada robertjeotiana Panzer, 1799
| | |
| Species | Nomada robertsonella Cockerell, 1903
| | |
| Species | Nomada rodecki Mitchell, 1962
| | |
| Species | Nomada rohweri Cockerell, 1906
| 2 | Subspecies |
| Species | Nomada rostrata Herrich-Schäffer, 1839
| | |
| Species | Nomada rubi Swenk, 1915
| | |
| Species | Nomada rubicunda Olivier, 1811 Littleleaf mockorange, Thyme-leaf mock orange | | |
| Species | Nomada rubiginosa Perez, 1884
| | |
| Species | Nomada rubinii Rayment, 1930
| | |
| Species | Nomada rubra Smith, 1849 ⇒ Nomada erythraea Roughleaf dogwood | | |
| Species | Nomada rubrella Cockerell, 1905
| | |
| Species | Nomada rubrica Provancher, 1896
| | |
| Species | Nomada rubricollis Schwarz, 1967
| | |
| Species | Nomada rubricosa Eversmann, 1852
| | |
| Species | Nomada rubricoxa Schwarz, 1977
| | |
| Species | Nomada rubriventris Schwarz, 1981
| | |
| Species | Nomada rufa Rossi, 1790
| | |
| Species | Nomada rufescens Scopoli, 1770
| | |
| Species | Nomada ruficollis Morawitz, 1875
| | |
| Species | Nomada rufipes Fabricius, 1793 Black-horned nomad bee, Golden-Rod Nomad Bee | | |
| Species | Nomada rufiventris Kirby, 1802
| | |
| Species | Nomada rufoabdominalis Schwarz, 1963
| | |
| Species | Nomada rufocincta Kirby, 1802
| | |
| Species | Nomada rufohirta Morawitz, 1895
| | |
| Species | Nomada rufopicta Kirby, 1802
| | |
| Species | Nomada rugicollis Friese, 1917
| 1 | Subspecies |
| Species | Nomada rugithorax Perez, 1902 ⇒ Nomada distinguenda
| | |
| Species | Nomada ruidosensis Cockerell, 1903
| | |
| Species | Nomada sabaensis Tsuneki, 1973
| | |
| Species | Nomada sabulosa Radoszkowski, 1876
| | |
| Species | Nomada sakura Tsuneki, 1976 ⇒ Nomada calloptera
| | |
| Species | Nomada salicicola Swenk, 1913
| | |
| Species | Nomada salicis Robertson, 1900
| | |
| Species | Nomada saltillo Broemeling, 1988
| | |
| Species | Nomada sanctaecrucis Cockerell, 1903
| | |
| Species | Nomada sandacana Cockerell, 1920
| | |
| Species | Nomada sanguinea Smith, 1854
| | |
| Species | Nomada sarta Morawitz, 1875
| | |
| Species | Nomada sayi Robertson, 1893
| | |
| Species | Nomada schaefferella Kirby, 1802
| | |
| Species | Nomada scheuchli Schwarz & Standfuss, 2007
| | |
| Species | Nomada scheviakovi Cockerell, 1928
| | |
| Species | Nomada schottii Fabricius, 1804
| | |
| Species | Nomada schulthessi Schwarz, 1999
| | |
| Species | Nomada schwarzi Cockerell, 1903
| 2 | Subspecies |
| Species | Nomada scita Cresson, 1878
| | |
| Species | Nomada scitiformis Cockerell, 1903
| | |
| Species | Nomada scutellaris Olivier, 1811 ⇒ Thyreus scutellaris
| | |
| Species | Nomada secessa Cockerell, 1911
| | |
| Species | Nomada sedae Cockerell, 1919 ⇒ Nomada sedi
| | |
| Species | Nomada sedi Cockerell, 1919
| | |
| Species | Nomada semirugosa Cockerell, 1929
| | |
| Species | Nomada semiscita Cockerell, 1904
| | |
| Species | Nomada semisuavis Cockerell, 1910
| | |
| Species | Nomada sempiterna Morawitz, 1894
| | |
| Species | Nomada seneciophila Mitchell, 1962
| | |
| Species | Nomada serricornis Perez, 1884
| | |
| Species | Nomada setteri Proshchalykin in Proshchalykin & Lelej, 2010
| | |
| Species | Nomada sexcincta Kirby, 1802
| | |
| Species | Nomada sexfasciata Panzer, 1799 Six-banded nomad bee | | |
| Species | Nomada sheppardana Kirby, 1802 Dark Nomad Bee, Least Nomad, Sheppard's nomad bee | 2 | Subspecies |
| Species | Nomada shirakii Yasumatsu & Hirashima, 1951
| | |
| Species | Nomada shoyozana Tsuneki, 1986
| | |
| Species | Nomada siccorum Cockerell, 1919
| | |
| Species | Nomada siciliensis Dalla Torre & Friese, 1894
| | |
| Species | Nomada sicula Schwarz, 1974
| | |
| Species | Nomada signata Jurine, 1807 Broad-banded nomad bee | | |
| Species | Nomada silvicola Tsuneki, 1973
| | |
| Species | Nomada similis Morawitz, 1872 Guernsey nomad bee | | |
| Species | Nomada simplicicoxa Swenk, 1915
| | |
| Species | Nomada siouxensis Swenk, 1913
| | |
| Species | Nomada skinneri Cockerell, 1908
| | |
| Species | Nomada snowii Cresson, 1878
| | |
| Species | Nomada sobrina Mitchell, 1962
| | |
| Species | Nomada solidaginis Panzer, 1799
| | |
| Species | Nomada solitaria Smith, 1854
| | |
| Species | Nomada sophiarum Cockerell, 1903
| | |
| Species | Nomada spec Fabricius, 1793
| | |
| Species | Nomada sphaerogaster Cockerell, 1903
| | |
| Species | Nomada spinicoxa Schwarz, 1987
| | |
| Species | Nomada squalida Scopoli, 1763
| | |
| Species | Nomada squallida Scopoli, 1770
| | |
| Species | Nomada standfussi M.Schwartz, 2007
| | |
| Species | Nomada sternalis Perez, 1902
| | |
| Species | Nomada stigma Fabricius, 1804 Aleutian macoma | | |
| Species | Nomada stoeckherti Pittioni, 1951
| | |
| Species | Nomada striata Fabricius, 1793 Blunt-jawed nomad bee | | |
| Species | Nomada suavis Cresson, 1878
| | |
| Species | Nomada subaccepta Cockerell, 1907
| | |
| Species | Nomada subangusta Cockerell, 1903
| | |
| Species | Nomada subcornuta Kirby, 1802 ⇒ Nomada fulvicornis Kirby's nomad bee | | |
| Species | Nomada subfasciata Schilling, 1826
| | |
| Species | Nomada subgracilis Cockerell, 1903
| | |
| Species | Nomada subnigrocincta Swenk, 1915
| | |
| Species | Nomada subpacata Swenk, 1913
| | |
| Species | Nomada subpetiolata Smith, 1879 Bunchberry dogwood, Canadian bunchberry | | |
| Species | Nomada subrubi Swenk, 1915
| | |
| Species | Nomada subrutila Lovell & Cockerell, 1905
| | |
| Species | Nomada subscopifera Ducke, 1908
| | |
| Species | Nomada subsimilis Cockerell, 1903
| | |
| Species | Nomada subvicinalis Cockerell, 1903
| | |
| Species | Nomada subvirescens Morawitz, 1875
| | |
| Species | Nomada succincta Panzer, 1798 Ballona cinquefoil, Yellow-legged nomad bee | | |
| Species | Nomada succinta Scopoli, 1770
| | |
| Species | Nomada suda Cresson, 1879
| | |
| Species | Nomada sudai Tsuneki, 1976 ⇒ Nomada amurensis
| | |
| Species | Nomada suffossa Cockerell, 1922
| | |
| Species | Nomada suishary Strand, 0
| | |
| Species | Nomada sunayamana Tsuneki, 1976 ⇒ Nomada fukuiana
| | |
| Species | Nomada superba Cresson, 1863 Superb Nomada | 2 | Subspecies |
| Species | Nomada surinamensis Retzius, 1783 ⇒ Sphex ichneumonea
| | |
| Species | Nomada sutepensis Cockerell, 1929
| | |
| Species | Nomada swenki Schwarz, 1966
| | |
| Species | Nomada sybarita Schmiedeknecht, 1882
| | |
| Species | Nomada symphyti Stoeckhert, 1930
| | |
| Species | Nomada taicho Tsuneki, 1973
| | |
| Species | Nomada taraxacella Cockerell, 1903
| | |
| Species | Nomada temmasana Tsuneki, 1986
| | |
| Species | Nomada tenella Mocsáry, 1883
| | |
| Species | Nomada tenuicornis Cockerell, 1949
| | |
| Species | Nomada tepoztlan Moalif, 1988
| | |
| Species | Nomada terminalis Imhoff, 1834
| | |
| Species | Nomada tesaceobalteata Cameron, 1910
| | |
| Species | Nomada testaceobalteata Cameron, 1910
| | |
| Species | Nomada texana Cresson, 1872 Texas Nomad Bee | | |
| Species | Nomada thersites Schmiedeknecht, 1882
| | |
| Species | Nomada thoracica Morawitz, 1880
| | |
| Species | Nomada tibialis Cresson, 1865 ⇒ Xeromelecta (Nesomelecta) tibialis Winged surfclam | | |
| Species | Nomada tiendang Tsuneki, 1986
| | |
| Species | Nomada tiftonensis Cockerell, 1903 Tifton Nomad Bee | | |
| Species | Nomada timberlakei Broemeling, 1989
| | |
| Species | Nomada tintinnabulum Cockerell, 1903
| | |
| Species | Nomada tormentillae Alfken, 1901 ⇒ Nomada roberjeotiana
| | |
| Species | Nomada towada Tsuneki, 1973
| | |
| Species | Nomada townesi Mitchell, 1962
| | |
| Species | Nomada transitoria Schmiedeknecht, 1882
| | |
| Species | Nomada trapeziformis Schmiedeknecht, 1882
| | |
| Species | Nomada trapidoi Michener, 1954 Long-legged cave amphipod, Long-legged cave stygobromid | | |
| Species | Nomada tricurta Swenk, 1915
| | |
| Species | Nomada tricurtis
| | |
| Species | Nomada tridentata Tsuneki, 1986 ⇒ Nomada flavoguttata
| | |
| Species | Nomada tridentilabris Schwarz, 1963
| | |
| Species | Nomada tridentirostris Dours, 1873
| | |
| Species | Nomada tripunctata Morawitz, 1871
| | |
| Species | Nomada trispinosa Schmiedeknecht, 1882
| 1 | Subspecies |
| Species | Nomada truncata Nylander, 1848 ⇒ Biastes truncatus
| | |
| Species | Nomada truttarum Cockerell, 1909
| | |
| Species | Nomada tsunekiana Schwarz, 1999
| | |
| Species | Nomada tsushimae Mitai & Tadauchi, 2008
| | |
| Species | Nomada turneri Meade-Waldo, 1913
| | |
| Species | Nomada turrigera Hurrell & Roig Alsina, 2009
| | |
| Species | Nomada tyrrellensis Mitchell, 1962
| | |
| Species | Nomada uhleri Cockerell, 1905
| | |
| Species | Nomada ulsterensis Mitchell, 1962
| | |
| Species | Nomada ultima Cockerell, 1903
| | |
| Species | Nomada ultimella Cockerell, 1903
| 3 | Subspecies |
| Species | Nomada umbrosa Schmiedeknecht, 1882
| | |
| Species | Nomada undulaticornis Cockerell, 1906
| | |
| Species | Nomada unifasciata Schilling, 1826
| | |
| Species | Nomada unispinosa Schwarz, 1981
| | |
| Species | Nomada utahensis Moalif, 1988 Utah Nomada | | |
| Species | Nomada utensis Swenk, 1913
| | |
| Species | Nomada uzensis Tsuneki, 1986 ⇒ Nomada shirakii
| | |
| Species | Nomada vaga Panzer, 1798
| | |
| Species | Nomada valida Smith, 1854 True Cuckoo Nomad Bee | | |
| Species | Nomada vallesina Cockerell, 1906
| 2 | Subspecies |
| Species | Nomada varia Panzer, 1798
| | |
| Species | Nomada variabilis Lucas, 1849 ⇒ Nomada carnifex
| | |
| Species | Nomada variegata Linnaeus, 1758
| | |
| Species | Nomada varipes Perez, 1913
| | |
| Species | Nomada vegana Cockerell, 1903 ⇒ Nomada modesta
| | |
| Species | Nomada velutina Swenk, 1913
| | |
| Species | Nomada verecunda Cresson, 1879
| | |
| Species | Nomada verna Schmiedeknecht, 1882
| | |
| Species | Nomada vernonensis Cockerell, 1916
| | |
| Species | Nomada versicolor Panzer, 1798
| | |
| Species | Nomada vexator Cockerell, 1909
| | |
| Species | Nomada vicinalis Cresson, 1878
| 3 | Subspecies |
| Species | Nomada victrix Cockerell, 1911
| | |
| Species | Nomada vidua Smith, 1844
| | |
| Species | Nomada vierecki Cockerell, 1903
| | |
| Species | Nomada villipes Stöckhert, 1930
| | |
| Species | Nomada villosa Thomson, 1870 Longbeak stork's bill | | |
| Species | Nomada vincta Say, 1837 Bounded Cuckoo Nomad Bee, Vegetable hummingbird | | |
| Species | Nomada vinnula
| | |
| Species | Nomada vitticollis Cresson, 1878
| | |
| Species | Nomada vulpis Cockerell, 1921
| | |
| Species | Nomada wakasana Tsuneki, 1976 ⇒ Nomada icazti
| | |
| Species | Nomada waltoni Cockerell, 1910
| | |
| Species | Nomada washingtoni Cockerell, 1903
| | |
| Species | Nomada wheeleri Cockerell, 1903
| 3 | Subspecies |
| Species | Nomada whiteheadi Eardley & Schwarz, 1991
| | |
| Species | Nomada wickwari Meade-Waldo, 1913
| | |
| Species | Nomada wisconsinensis Graenicher, 1911 ⇒ Nomada fervida
| | |
| Species | Nomada wootonella Cockerell, 1909
| | |
| Species | Nomada wyomingensis Swenk, 1913
| | |
| Species | Nomada xantha M.Schwartz & K.Standfuss, 2007
| | |
| Species | Nomada xanthidica Cockerell, 1905
| | |
| Species | Nomada xantholepis Cockerell, 1911
| | |
| Species | Nomada xanthophila Cockerell, 1900
| | |
| Species | Nomada xanthopila
| | |
| Species | Nomada xanthopoda Schwarz, 1990
| | |
| Species | Nomada xanthopus Friese, 1921 Pickle Springs amphipod, Pickle Springs stygobromid | | |
| Species | Nomada xanthosticta Kirby, 1802 ⇒ Nomada ferruginata
| | |
| Species | Nomada xanthura Cockerell, 1908 Yellow-Striped Cuckoo Nomad Bee | | |
| Species | Nomada yagensis Tsuneki, 1973
| | |
| Species | Nomada yakushimensis Mitai, Ikudome & Tadauchi, 2007
| | |
| Species | Nomada yanoi Tsuneki, 1973
| | |
| Species | Nomada yarrowi Schwarz, 1981
| | |
| Species | Nomada yasha Tsuneki, 1986 ⇒ Nomada ginran
| | |
| Species | Nomada yasuteyamana Tsuneki, 1986 ⇒ Nomada towada
| | |
| Species | Nomada yermasoyiae Schwarz, Smit & Gusenleitner, 2018
| | |
| Species | Nomada yunokawana Tsuneki, 1976 ⇒ Nomada towada
| | |
| Species | Nomada zamoranica Cockerell, 1949
| | |
| Species | Nomada zebrata Cresson, 1878
| | |
| Species | Nomada zichyana Mocsáry, 1901
| | |
| Species | Nomada ziziae Swenk, 1915
| | |
| Species | Nomada zonalis Schwarz, 1990
| | |
| Species | Nomada zonata Panzer, 1798 ⇒ Nomada bifasciata Ballona cinquefoil, Variable nomad bee, Variable Nomad-Bee | | |
Afghanistan, Algeria, Argentina, Australia, Austria, Belgium, Brazil, Bulgaria, Canada, Chile, China, Colombia, Costa Rica, Croatia, Cuba, Cyprus, Czech Republic, Denmark, Dominican Republic, Egypt, Estonia, Ethiopia, Finland, France, Georgia, Germany, Greece, Guatemala, Honduras, Hungary, India, Iran, Ireland, Israel, Italy, Jamaica, Japan, Jordan, Kazakhstan, Kyrgyzstan, Latvia, Lebanon, Liberia, Libya, Lithuania, Luxembourg, Malaysia, Mexico, Morocco, Myanmar, Nepal, Netherlands, Nigeria, Norway, Pakistan, Panama, Papua New Guinea, Paraguay, Peru, Philippines, Poland, Portugal, Republic South Africa, Romania, Russia, Singapore, Slovakia, Slovenia, South Korea, Spain, Sri Lanka, Sweden, Switzerland, Syria, Taiwan, Thailand, Tunisia, Turkey, Turkmenistan, Ukraine, United Arab Emirates, United Kingdom, Uruguay, USA, Uzbekistan, Venezuela
Florissant Fossil Beds, Green River Formation, Much Wenlock Limestone Formation, Rott Formation