| Afranthidium Michener, 1936 | | 15 | Species | Taxom |
| Afroheriades Peters, 1970 | | 1 | Species | Taxom |
| Afrostelis Cockerell, 1925 | | 1 | Species | Taxom |
| Aglaoapis Cameron, 1848 | | 1 | Species | Taxom |
| Anthidiellum Cockerell, 1904 | | 8 | Species | Taxom |
| Anthidium Fabricius, 1917 | Carder Bees | 36 | Species | Taxom |
| Anthodioctes Holmberg, 1947 | | 2 | Species | Taxom |
| Apiaria Germar, 1906 | | 4 | Species | Taxom |
| Apicasia Bode, 1953 | | 1 | Species | Taxom |
| Ashmeadiella Cockerell, 1972 | | 14 | Species | Taxom |
| Atoposmia Cockerell, 1908 | | 2 | Species | Taxom |
| Chalicodoma Lepeletier, 1908 | | 3 | Species | Taxom |
| Chelostoma Latreille, 1895 | Scissor Bees | 10 | Species | Taxom |
| Coelioxys Latreille, 1878 | Cuckoo Leaf-Cutter Bees | 46 | Species | Taxom |
| Ctenoplectrella Cockerell, 1909 | | 2 | Species | Taxom |
| Dianthidium Cockerell, 1964 | Leaf-cutter Bee | 10 | Species | Taxom |
| Diaperidium Westwood, 1854 | | 1 | Species | Taxom |
| Dioxys Lepeletier &..., 1848 | | 1 | Species | Taxom |
Dolichostelis Parker & Bohart, 1979 | | 0 | Species | Taxom |
| Eoanthidium Popov, 1873 | | 1 | Species | Taxom |
| Epanthidium Moure, 1908 | | 2 | Species | Taxom |
| Euaspis Gerstäcker, 1903 | | 1 | Species | Taxom |
Eutricharaea Thomson, 1872 | | 0 | Species | Taxom |
| Fidelia Friese, 1905 | | 4 | Species | Taxom |
| Friccomelissa Wedmann & al., 2009 | | 1 | Species | Taxom |
| Glyptotermites Armbruster, 1941 | | 1 | Species | Taxom |
| Heriades Spinola, 1890 | Armored-Resin Bees | 10 | Species | Taxom |
| Hoplitis Klug, 1840 | Lesser Masons | 39 | Species | Taxom |
| Hoplosmia Thomson, 1868 | | 4 | Species | Taxom |
Hypanthidium Cockerell, 1904 | | 0 | Species | Taxom |
| Icteranthidium Michener, 1838 | | 1 | Species | Taxom |
| Lithurge Latreille, 1865 | | 1 | Species | Taxom |
| Lithurgus Berthold, 1983 | | 6 | Species | Taxom |
| Megachile Latreille, 1878 | And Resin Bees | 196 | Species | Taxom |
Neochelynia Schrottky, 1920 | | 0 | Species | Taxom |
| Neofidelia Moure & Mich..., 1970 | | 1 | Species | Taxom |
| Notanthidium Isensee, 1851 | | 1 | Species | Taxom |
Noteriades Cockerell, 1931 | | 0 | Species | Taxom |
| Osmia Panzer, 1853 | Mason bee | 132 | Species | Taxom |
| Othinosmia Michener, 1912 | | 2 | Species | Taxom |
| Pachyanthidium Friese, 1841 | | 3 | Species | Taxom |
| Paranthidium Cockerell & ..., 1878 | | 1 | Species | Taxom |
| Plesianthidium Cameron, 1909 | | 4 | Species | Taxom |
| Protosmia Ducke, 1898 | Chelostomopsis | 1 | Species | Taxom |
| Pseudoanthidium Friese, 1905 | | 8 | Species | Taxom |
Pseudocentron Mitchell, 1934 | | 0 | Species | Taxom |
| Rhodanthidium Isensee, 1809 | | 1 | Species | Taxom |
| Serapista Cockerell, 1904 | | 1 | Species | Taxom |
| Stelis Sw., 1876 | Cuckoo Carder Bees | 17 | Species | Taxom |
| Trachusa Panzer, 1802 | | 10 | Species | Taxom |
| Trachysa Panzer, 1798 | | 1 | Species | Taxom |
| Trichothurgus Moure, 1973 | | 1 | Species | Taxom |
| Afranthidium (Immanthidium) junodi Friese, 1904 | |
| Afranthidium (Immanthidium) repetitum Schulz, 1906 | Carder bee |
| Afranthidium (Immanthidium) sjoestedti Friese, 1909 | |
| Afranthidium abdominale Friese, 1904 | |
| Afranthidium braunsi Friese, 1904 | |
| Afranthidium capicola Brauns, 1905 | |
| Afranthidium hamaticauda Pasteels, 1984 | |
| Afranthidium hoplogastrum Mavromoustakis, 1934 | |
| Afranthidium hypocapicola Mavromoustakis, 1936 | |
| Afranthidium immaculatum Smith, 1854 | |
| Afranthidium karooense Brauns, 1905 | |
| Afranthidium minutulum Brauns, 1905 | |
| Afranthidium odonturum Cockerell, 1932 | |
| Afranthidium rubellulum Cockerell, 1932 | |
| Afranthidium sakaniense Cockerell, 1936 | |
| Afroheriades primus (Peters, 1970) | ⇒ Afroheriades prima Peters, 1970 |
| Afrostelis aethiopica Friese, 1925 | |
| Aglaoapis tridentata Nylander, 1848 | |
| Anthidiellum (Anthidiellum) strigatum Panzer, 1805 | Cancellate semele |
| Anthidiellum strigatum strigatum Panzer, 1805 | |
| Anthidiellum (Loyolanthidium) ehrhorni Cockerell, 1900 | |
| Anthidiellum (Loyolanthidium) eiseni Cockerell, 1913 | |
| Anthidiellum (Loyolanthidium) notatum Latreille, 1809 | Cancellate semele |
| Anthidiellum apicale Cresson, 1878 | |
| Anthidiellum micheneri Pauly, 2001 | |
| Anthidiellum zebra Friese, 1904 | |
| Anthidium (Anthidium) aztecum Cresson, 1878 | |
| Anthidium (Anthidium) cingulatum Latreille, 1809 | Apache bush |
| Anthidium (Anthidium) clypeodentatum Swenk, 1914 | |
| Anthidium (Anthidium) cockerelli Schwarz, 1928 | |
| Anthidium (Anthidium) collectum Huard, 1896 | |
| Anthidium (Anthidium) dammersi Cockerell, 1937 | |
| Anthidium (Anthidium) edwardsii Cresson, 1878 | Edwards´ Wool-carder Bee |
| Anthidium (Anthidium) florentinum Fabricius, 1775 | Wool carder bee |
| Anthidium (Anthidium) loti Perris, 1852 | |
| Anthidium (Anthidium) maculifrons Smith, 1854 | Spot-fronted Wool-carder Bee |
| Anthidium (Anthidium) maculosum Cresson, 1878 | |
| Anthidium (Anthidium) manicatum Linnaeus, 1758 | Continental Wool-carder Bee |
| Anthidium manicatum manicatum Linnaeus, 1758 | |
| Anthidium manicatum nigrithorax Dalla Torre, 1877 | |
| Anthidium (Anthidium) montanum Morawitz, 1864 | |
| Anthidium (Anthidium) palliventre Cresson, 1878 | |
| Anthidium (Anthidium) paroselae Cockerell, 1898 | |
| Anthidium (Anthidium) porterae Cockerell, 1900 | Porter´s Wool-carder Bee |
| Anthidium (Anthidium) psoraleae Robertson, 1902 | |
| Anthidium (Anthidium) punctatum Latreille, 1809 | Apache bush |
| Anthidium (Anthidium) rodriguezi Cockerell, 1912 | |
| Anthidium (Anthidium) sanguinicaudum Schwarz, 1933 | |
| Anthidium (Anthidium) septemspinosum Lepeletier, 1841 | |
| Anthidium (Anthidium) sonorense Cockerell, 1923 | |
| Anthidium (Anthidium) tenuiflorae Cockerell, 1907 | |
| Anthidium (Proanthidium) oblongatum Illiger, 1806 | Oblong wool carder bee |
| Anthidium byssinum Panzer, 1798 | |
| Anthidium lituratum Mavromoustakis, 1954 | |
| Anthidium macushi Gonzalez & G..., 2013 | |
| Anthidium mortuum ♰ Meunier, 1920 | |
| Anthidium nanum Mocsáry, 1879 | Bee |
| Anthidium quetzalcoatli Schwarz, 1933 | |
| Anthidium scapulare (Latreille, 1809) | ⇒ Pseudoanthidium nanum Mocsáry, 1879 |
| Anthidium strigatum (Panzer, 1805) | ⇒ Anthidiellum strigatum Panzer, 1805 |
| Anthidium tenellum (Mocsáry, 1881) | ⇒ Pseudoanthidium tenellum Mocsáry, 1881 |
| Anthidium undulatiforme Friese, 1917 | |
| Anthodioctes calcaratus Friese, 1921 | |
| Anthodioctes lauroi Moure, 1947 | |
| Apiaria dubia Germar, 1849 | |
| Apiaria lapidea ♰ E. F. Germar, 1842 | |
| Apiaria mesozoica ♰ H. Weyenbergh, 1869 | |
| Apiaria oppenheimi ♰ A. Handlirsch, 1906 | |
| Apicasia inolata ♰ A. Bode, 1953 | |
| Ashmeadiella (Arogochila) erema Michener, 1939 | |
| Ashmeadiella (Arogochila) timberlakei Michener, 1936 | |
| Ashmeadiella (Ashmeadiella) aridula Cockerell, 1910 | |
| Ashmeadiella (Ashmeadiella) bucconis Say, 1837 | |
| Ashmeadiella (Ashmeadiella) californica Ashmead, 1897 | |
| Ashmeadiella (Ashmeadiella) gillettei Titus, 1904 | |
| Ashmeadiella (Ashmeadiella) leucozona Cockerell, 1924 | |
| Ashmeadiella (Ashmeadiella) maxima Michener, 1936 | |
| Ashmeadiella (Ashmeadiella) prosopidis Cockerell, 1897 | |
| Ashmeadiella (Ashmeadiella) rufipes Titus, 1904 | |
| Ashmeadiella clypeodentata Michener, 1936 | |
| Ashmeadiella floridana Robertson, 1897 | |
| Ashmeadiella meliloti Cockerell, 1897 | |
| Ashmeadiella sangrita Peters, 1972 | |
| Atoposmia (Eremosmia) anodontura Cockerell, 1917 | |
| Atoposmia (Hexosmia) copelandica Cockerell, 1908 | |
| Chalicodoma (Pseudomegachile) ericetorum (Lepeletier, 1841) | ⇒ Megachile ericetorum Lepeletier, 1841 |
| Chalicodoma parietina (Geoffroy, 1785) | ⇒ Megachile parietina Geoffroy, 1785 |
| Chalicodoma subexilis Cockerell, 1908 | |
| Chelostoma (Chelostoma) florisomne (Linnaeus, 1758) | ⇒ Chelostoma campanularum Kirby, 1802 |
| Chelostoma (Foveosmia) californicum Cresson, 1878 | |
| Chelostoma (Foveosmia) campanularum Kirby, 1802 | Carpenter bee |
| Chelostoma (Foveosmia) phaceliae Michener, 1938 | |
| Chelostoma (Gyrodromella) rapunculi Lepeletier, 1841 | Rampion Scissor Bee |
| Chelostoma distinctum Stoeckhert, 1929 | |
| Chelostoma foveolatum Morawitz, 1868 | |
| Chelostoma fuliginosum Panzer, 1798 | |
| Chelostoma incisulum Michener, 1938 | |
| Chelostoma nasutum Perez, 1895 | Chrysanthemum gall midge |
| Coelioxys (Acrocoelioxys) producta Cresson, 1865 | |
| Coelioxys (Acrocoelioxys) tolteca Cresson, 1878 | |
| Coelioxys (Allocoelioxys) acanthura Illiger, 1806 | |
| Coelioxys (Allocoelioxys) afra Lepeletier, 1841 | Short Sharp-tail Bee |
| Coelioxys (Allocoelioxys) brevis (Eversmann, 1852) | ⇒ Coelioxys octodentata Say, 1824 |
| Coelioxys (Allocoelioxys) echinata Förster, 1853 | |
| Coelioxys (Boreocoelioxys) funeraria Smith, 1854 | |
| Coelioxys (Boreocoelioxys) octodentata Say, 1824 | Eight-toothed Cuckoo-leaf-cutter |
| Coelioxys (Boreocoelioxys) porterae Cockerell, 1900 | Porter'S Cuckoo Leaf-Cutter Bee |
| Coelioxys (Boreocoelioxys) rufitarsis Smith, 1854 | Red-Footed Cuckoo Leaf-Cutter Bee |
| Coelioxys (Boreocoelioxys) sayi Robertson, 1897 | Say'S Cuckoo Leaf-Cutter Bee |
| Coelioxys (Coelioxys) albolineata Cockerell, 1905 | |
| Coelioxys (Coelioxys) aurolimbata Förster, 1853 | |
| Coelioxys (Coelioxys) conoidea (Illiger, 1806) | ⇒ Coelioxys inermis Kirby, 1802 |
| Coelioxys (Coelioxys) elongata Lepeletier, 1841 | Dull-Vented Sharp-Tail |
| Coelioxys (Coelioxys) hirsutissima Cockerell, 1912 | |
| Coelioxys (Coelioxys) inermis Kirby, 1802 | Shiny-Vented Sharp-Tail |
| Coelioxys (Coelioxys) lanceolata Nylander, 1852 | |
| Coelioxys (Coelioxys) mandibularis Nylander, 1848 | Blue Ridge Mountain amphipod |
| Coelioxys (Coelioxys) quadridentata Linnaeus, 1758 | Four-toothed sharp-tailed bee |
| Coelioxys (Coelioxys) rufescens Lepeletier &..., 1825 | Rufescent Sharp-Tail |
| Coelioxys (Coelioxys) sodalis Cresson, 1878 | Comrade Cuckoo Leafcutter Bee |
| Coelioxys (Neocoelioxys) abdominalis Guérin-Ménev..., 1845 | |
| Coelioxys (Neocoelioxys) menthae Cockerell, 1897 | |
| Coelioxys (Synocoelioxys) apacheorum Cockerell, 1900 | |
| Coelioxys (Synocoelioxys) texana Cresson, 1872 | |
| Coelioxys (Xerocoelioxys) edita Cresson, 1872 | |
| Coelioxys (Xerocoelioxys) grindeliae Cockerell, 1900 | |
| Coelioxys alata Förster, 1853 | |
| Coelioxys alatus Förster, 1853 | |
| Coelioxys analis Friese, 1911 | |
| Coelioxys aurolimbatus Förster, 1853 | Southwestern Virginia cave amphipod |
| Coelioxys caeruleipennis Friese, 1904 | |
| Coelioxys circumscripta Schulz, 1906 | |
| Coelioxys conica Linnaeus, 1758 | |
| Coelioxys conicus Linnaeus, 1758 | Large Sharp-tail Bee |
| Coelioxys conoideus Illiger, 1806 | Large Sharp-tail Bee |
| Coelioxys elongatus Lepeletier, 1841 | Dull-vented Sharp-tail Bee |
| Coelioxys intacta Friese, 1923 | |
| Coelioxys lanceolatus Nylander, 1852 | |
| Coelioxys loricula Smith, 1854 | |
| Coelioxys obtusispina Thomson, 1872 | Alfilaree |
| Coelioxys simillima Smith, 1854 | |
| Coelioxys tridentata (Fabricius, 1775) | ⇒ Aglaoapis tridentata Nylander, 1848 |
| Coelioxys vectis Curtis, 1831 | |
| Coelioxys zapoteca Cresson, 1878 | |
| Ctenoplectrella phaeton ♰ Gonzalez & E..., 2011 | |
| Ctenoplectrella viridiceps ♰ T. D. A. Coc..., 1909 | |
| Dianthidium (Deranchanthidium) chamela Griswold & M..., 1988 | |
| Dianthidium (Dianthidium) cressonii Dalla Torre, 1896 | |
| Dianthidium (Dianthidium) curvatum Smith, 1854 | |
| Dianthidium (Dianthidium) parvum Cresson, 1878 | |
| Dianthidium (Dianthidium) pudicum Cresson, 1879 | |
| Dianthidium (Dianthidium) subparvum Swenk, 1914 | |
| Dianthidium (Dianthidium) ulkei Cresson, 1878 | |
| Dianthidium (Mecanthidium) macrurum Cockerell, 1913 | |
| Dianthidium dubium Schwarz, 1928 | |
| Dianthidium parkeri Grigarick & ..., 1964 | |
| Diaperidium mithrax ♰ J. O. Westwood, 1854 | |
| Dioxys tridentata (Nylander, 1848) | ⇒ Aglaoapis tridentata Nylander, 1848 |
| Eoanthidium clypeare Morawitz, 1873 | |
| Epanthidium (Epanthidium) bicoloratum Smith, 1879 | |
| Epanthidium (Epanthidium) inerme Friese, 1908 | |
| Euaspis polynesia Vachal, 1903 | |
| Fidelia (Fidelia) paradoxa Friese, 1899 | |
| Fidelia braunsiana Friese, 1905 | |
| Fidelia friesei Brauns, 1926 | |
| Fidelia kobrowi Brauns, 1905 | |
| Friccomelissa schopowi ♰ S. Wedmann, 2009 | |
| Glyptotermites assmuthi ♰ L. Armbruster, 1941 | |
| Heriades (Heriades) crenulatus (Nylander, 1856) | ⇒ Heriades crenulata Nylander, 1856 |
| Heriades (Heriades) freygessneri Schletterer, 1889 | |
| Heriades (Heriades) truncorum Linnaeus, 1758 | Large-headed Resin Bee |
| Heriades (Neotrypetes) carinatus Cresson, 1864 | |
| Heriades (Neotrypetes) crucifer (Cockerell, 1897) | ⇒ Heriades crucifera Cockerell, 1897 |
| Heriades (Neotrypetes) texanus (Michener, 1938) | ⇒ Heriades texana Michener, 1938 |
| Heriades crenulata Nylander, 1856 | Oblique jackknife clam |
| Heriades cressoni Michener, 1938 | |
| Heriades rubicola (Perez, 1890) | ⇒ Heriades rubicolus Perez, 1890 |
| Heriades rubicolus Perez, 1890 | |
| Hoplitis (Alcidamea) claviventris Thomson, 1872 | Welted lesser mason bee |
| Hoplitis fulgida platyura | |
| Hoplitis (Alcidamea) grinnelli Cockerell, 1910 | |
| Hoplitis (Alcidamea) leucomelana Kirby, 1802 | Black and white lesser mason bee |
| Hoplitis (Alcidamea) pilosifrons Cresson, 1864 | Hairy-Fronted Small-Mason |
| Hoplitis (Anthocopa) papaveris Latreille, 1799 | Canada Whiteface |
| Hoplitis (Anthocopa) spinulosa Kirby, 1802 | Spined mason bee |
| Hoplitis (Anthocopa) villosa Schenck, 1853 | |
| Hoplitis (Cephalapis) jacintana Cockerell, 1910 | |
| Hoplitis (Cyrtosmia) hypocrita Cockerell, 1906 | |
| Hoplitis (Dasyosmia) biscutellae Cockerell, 1897 | |
| Hoplitis (Formicapis) robusta Nylander, 1848 | |
| Hoplitis (Hoplitina) howardi Cockerell, 1910 | |
| Hoplitis (Hoplitis) adunca Panzer, 1798 | Viper's Bugloss Mason Bee |
| Hoplitis (Hoplitis) anthocopoides Schenck, 1853 | Mason Bee |
| Hoplitis (Hoplitis) lepeletieri Perez, 1879 | |
| Hoplitis (Monumetha) albifrons Kirby, 1837 | White-Fronted Small-Mason |
| Hoplitis (Monumetha) fulgida Cresson, 1864 | |
| Hoplitis (Monumetha) spoliata Provancher, 1888 | Dilated-Horned Small-Mason |
| Hoplitis (Monumetha) tuberculata Nylander, 1848 | |
| Hoplitis (Penteriades) remotula Cockerell, 1910 | |
| Hoplitis (Proteriades) nanula Timberlake &..., 1950 | |
| Hoplitis (Proteriades) palmarum Cockerell, 1935 | |
| Hoplitis (Proteriades) reducta Timberlake &..., 1950 | |
| Hoplitis (Proteriades) semirubra Cockerell, 1898 | |
| Hoplitis (Proteriades) tristis Michener, 1936 | |
| Hoplitis acuticornis Dufour & Perris, 1840 | |
| Hoplitis annulata Latreille, 1811 | |
| Hoplitis bisulca Gerstäcker, 1869 | |
| Hoplitis brachypogon brachypogon Perez, 1879 | |
| Hoplitis brevicornis Morawitz, 1880 | |
| Hoplitis linsdalei Michener, 1947 | |
| Hoplitis loti Morawitz, 1867 | |
| Hoplitis milhauseri (Fabricius, 1775) | ⇒ Harpyia milhauseri Fabricius, 1775 |
| Hoplitis mitis Nylander, 1852 | |
| Hoplitis plagiostoma Michener, 1947 | |
| Hoplitis ravouxi Perez, 1902 | |
| Hoplitis sambuci Titus, 1904 | |
| Hoplitis tridentata Dufour & Perris, 1840 | |
| Hoplosmia (Hoplosmia) spinulosa (Kirby, 1802) | ⇒ Osmia spinulosa Kirby, 1802 |
| Hoplosmia (Odontanthocopa) bidentata Morawitz, 1876 | |
| Hoplosmia elegans Tkalcu, 1992 | |
| Hoplosmia scutellaris Morawitz, 1868 | |
| Icteranthidium grohmanni Spinola, 1838 | |
| Lithurge adamitica ♰ O. Heer, 1865 | |
| Lithurgus (Lithurgopsis) apicalis (Cresson, 1875) | ⇒ Lithurgopsis apicalis Cresson, 1875 |
| Lithurgus (Lithurgopsis) littoralis (Cockerell, 1917) | ⇒ Lithurgopsis littoralis Cockerell, 1917 |
| Lithurgus (Lithurgus) chrysurus Fonscolombe, 1834 | Mediterranean Wood-boring Bee |
| Lithurgus (Lithurgus) rubricatus (Smith, 1853) | ⇒ Austrothurgus rubricatus Smith, 1853 |
| Lithurgus (Lithurgus) spiniferus Cameron, 1905 | |
| Lithurgus listrotus Snelling, 1983 | |
| Megachile (Acentron) albitarsis Cresson, 1872 | White-footed Leaf-cutter Bee |
| Megachile (Acentron) candida Smith, 1879 | Bunchberry dogwood |
| Megachile (Argyropile) flavihirsuta Mitchell, 1930 | |
| Megachile (Argyropile) parallela Smith, 1853 | Parallel Leaf-cutter Bee |
| Megachile (Argyropile) rossi Mitchell, 1943 | |
| Megachile (Argyropile) sabinensis Mitchell, 1934 | |
| Megachile (Argyropile) townsendiana Cockerell, 1898 | |
| Megachile (Austromegachile) trigonaspis Schrottky, 1913 | |
| Megachile (Callomegachile) flavipennis Smith, 1853 | Stout tagelus |
| Megachile (Callomegachile) mystaceana Michener, 1962 | Fire-tailed Resin Bee |
| Megachile (Callomegachile) rufipennis Fabricius, 1793 | |
| Megachile (Callomegachile) rufipes Fabricius, 1781 | |
| Megachile (Callomegachile) sculpturalis Smith, 1853 | Giant resin bee |
| Megachile (Chalicodoma) canescens Brullé, 1832 | |
| Megachile (Chalicodoma) manicata Giraud, 1861 | |
| Megachile (Chalicodoma) murina Friese, 1913 | |
| Megachile (Chalicodoma) niveofasciata Friese, 1904 | |
| Megachile (Chalicodoma) parietina Geoffroy, 1785 | Black Mud Bee |
| Megachile (Chalicodoma) pyrenaica Lepeletier, 1841 | |
| Megachile (Chalicodoma) sicula (Rossi, 1792) | ⇒ Megachile nasidens Friese, 1898 |
| Megachile (Chalicodomoides) aethiops Smith, 1853 | Stout tagelus |
| Megachile (Chelostomoides) abacula Cresson, 1878 | |
| Megachile (Chelostomoides) adelphodonta Cockerell, 1924 | |
| Megachile (Chelostomoides) angelarum Cockerell, 1902 | |
| Megachile (Chelostomoides) axyx Snelling, 1990 | |
| Megachile (Chelostomoides) discorhina Cockerell, 1924 | |
| Megachile (Chelostomoides) lobatifrons Cockerell, 1924 | |
| Megachile (Chelostomoides) otomita Cresson, 1878 | |
| Megachile (Chelostomoides) prosopidis (Cockerell, 1900) | ⇒ Megachile occidentalis Fox, 1894 |
| Megachile (Chelostomoides) quadridentata Mitchell, 1930 | |
| Megachile (Chelostomoides) spinotulata Mitchell, 1934 | |
| Megachile (Chelostomoides) spissula Cockerell, 1911 | |
| Megachile (Chrysosarus) ctenophora Holmberg, 1886 | |
| Megachile (Creightonella) discolor Smith, 1853 | Stout tagelus |
| Megachile (Creightonella) ianthoptera Smith, 1853 | Bunchberry dogwood |
| Megachile (Cressoniella) zapoteca Cresson, 1878 | |
| Megachile (Dasymegachile) saulcyi Guérin-Ménev..., 1845 | |
| Megachile (Delomegachile) willughbiella Kirby, 1802 | |
| Megachile willughbiella hibernica Perkins, R.C.L., 1925 | |
| Megachile willughbiella janssoni | |
| Megachile willughbiella willughbiella Kirby, 1802 | |
| Megachile (Eurymella) vittatula (Cockerell, 1920) | ⇒ Megachile riggenbachiana Strand, 1911 |
| Megachile (Eutricharaea) apicalis (Spinola, 1808) | ⇒ Megachile analis Nylander, 1852 |
| Megachile (Eutricharaea) argentata Fabricius, 1793 | |
| Megachile (Eutricharaea) captionis Cockerell, 1914 | |
| Megachile (Eutricharaea) chrysopyga Smith, 1853 | Stout tagelus |
| Megachile (Eutricharaea) dorsalis (Perez, 1879) | ⇒ Megachile leachella Curtis, 1828 |
| Megachile (Eutricharaea) gratiosa Smith, 1853 | |
| Megachile (Eutricharaea) harthulura (Cockerell, 1937) | ⇒ Megachile cordata Smith, 1879 |
| Megachile (Eutricharaea) kobensis Cockerell, 1918 | |
| Megachile (Eutricharaea) leachella Curtis, 1828 | Megachile dorsalis |
| Megachile (Eutricharaea) macularis Dalla Torre, 1896 | |
| Megachile (Eutricharaea) obtusa Smith, 1853 | Stout tagelus |
| Megachile (Eutricharaea) pilidens Alfken, 1924 | |
| Megachile (Eutricharaea) rotundata Fabricius, 1787 | Alfafa leafcutting bee |
| Megachile (Eutricharaea) semiflava (Cockerell, 1937) | ⇒ Megachile cordata Smith, 1879 |
| Megachile (Eutricharaea) sequior Cockerell, 1910 | |
| Megachile (Eutricharaea) simplex (Smith, 1853) | ⇒ Megachile inermis Provancher, 1888 |
| Megachile (Eutricharaea) stellarum (Cockerell, 1920) | ⇒ Megachile malangensis Friese, 1904 |
| Megachile (Eutricharaea) venusta Smith, 1853 | Stout tagelus |
| Megachile (Eutricharea) gahani Cockerell, 1906 | |
| Megachile (Eutricharea) maculariformis (Cockerell, 1907) | ⇒ Megachile chrysopyga Smith, 1853 |
| Megachile (Gronoceras) cincta Fabricius, 1781 | |
| Megachile (Gronoceras) felina Gerstäcker, 1857 | |
| Megachile (Hackeriapis) apicata Smith, 1853 | Stout tagelus |
| Megachile (Hackeriapis) aurifrons Smith, 1853 | Stout tagelus |
| Megachile (Hackeriapis) callura Cockerell, 1914 | |
| Megachile (Hackeriapis) canifrons Smith, 1853 | Stout tagelus |
| Megachile (Hackeriapis) erythropyga Smith, 1853 | Stout tagelus |
| Megachile (Hackeriapis) ferox Smith, 1879 | Bunchberry dogwood |
| Megachile (Hackeriapis) fultoni Cockerell, 1913 | |
| Megachile (Hackeriapis) heriadiformis Smith, 1853 | |
| Megachile (Hackeriapis) lucidiventris Smith, 1853 | Stout tagelus |
| Megachile (Hackeriapis) mackayensis Cockerell, 1910 | |
| Megachile (Hackeriapis) monkmani Rayment, 1935 | |
| Megachile (Hackeriapis) oblonga (Smith, 1879) | ⇒ Hoplitis albifrons Kirby, 1837 |
| Megachile (Hackeriapis) ordinaria Smith, 1853 | Stout tagelus |
| Megachile (Hackeriapis) rhodura Cockerell, 1906 | |
| Megachile (Hackeriapis) semicandens Cockerell, 1910 | |
| Megachile (Hackeriapis) semiluctuosa Smith, 1853 | Stout tagelus |
| Megachile (Hackeriapis) tasmanica Cockerell, 1916 | |
| Megachile (Hackeriapis) tosticauda Cockerell, 1912 | |
| Megachile (Hackeriapis) variabilis King, 1994 | |
| Megachile (Leptorachis) petulans Cresson, 1878 | Petulant Leaf-cutter Bee |
| Megachile (Litomegachile) brevis (Say, 1837) | ⇒ Megachile pseudobrevis Mitchell, 1934 |
| Megachile (Litomegachile) coquilletti Cockerell, 1915 | |
| Megachile (Litomegachile) gentilis Cresson, 1872 | Leafcutter bee |
| Megachile (Litomegachile) lippiae Cockerell, 1900 | |
| Megachile (Litomegachile) mendica Cresson, 1878 | Flat-tailed Leaf-cutter Bee |
| Megachile (Litomegachile) snowi (Mitchell, 1927) | ⇒ Megachile mendica Cresson, 1878 |
| Megachile (Litomegachile) texana Cresson, 1878 | Texas Leaf-cutter Bee |
| Megachile (Megachile) centuncularis Linnaeus, 1758 | Common leaf-cutter bee |
| Megachile (Megachile) inermis Provancher, 1888 | Freckled milkvetch |
| Megachile (Megachile) lapponica Thomson, 1872 | Alfilaree |
| Megachile (Megachile) ligniseca Kirby, 1802 | Wood-Carving Leaf-Cutter Bee |
| Megachile ligniseca borealis (Niemelä, 1936) | ⇒ Megachile ligniseca Kirby, 1802 |
| Megachile (Megachile) melanopyga Cockerell, 1909 | |
| Megachile (Megachile) montivaga Cresson, 1878 | Silver-tailed Petal-cutter Bee |
| Megachile (Megachile) nipponica Cockerell, 1914 | |
| Megachile (Megachile) pilicrus Morawitz, 1877 | |
| Megachile (Megachile) relativa Cresson, 1878 | Golden-Tailed Leafcutter |
| Megachile (Megachile) tsurugensis Cockerell, 1924 | |
| Megachile (Megachile) versicolor Smith, 1844 | Brown-Footed Leaf-Cutter |
| Megachile versicolor hiberniae (Perkins, 1925) | ⇒ Megachile versicolor Smith, 1844 |
| Megachile (Megachiloides) dakotensis Mitchell, 1926 | |
| Megachile (Megachiloides) fucata Mitchell, 1934 | |
| Megachile (Megachiloides) mucorosa Cockerell, 1908 | |
| Megachile (Megachiloides) nevadensis Cresson, 1879 | |
| Megachile (Megachiloides) rubi Mitchell, 1924 | |
| Megachile (Megachiloides) soledadensis Cockerell, 1900 | |
| Megachile (Megachiloides) xerophila Cockerell, 1933 | |
| Megachile (Melanosarus) xylocopoides Smith, 1853 | Carpenter-mimic Leaf-cutter Bee |
| Megachile (Neochelynia) chichimeca Cresson, 1878 | |
| Megachile (Neoeutrichaea) rotundata Fabricius, 1793 | Alfalfa leaf-cutter bee |
| Megachile (Paracella) apiformis (Smith, 1853) | ⇒ Megachile ungulata Smith, 1853 |
| Megachile (Paracella) coelostoma (Cockerell, 1932) | ⇒ Megachile barbata Smith, 1853 |
| Megachile (Pseudocentron) sidalceae Cockerell, 1897 | |
| Megachile (Pseudomegachile) ericetorum Lepeletier, 1841 | Banded Mud Bee |
| Megachile (Pseudomegachile) fulva Smith, 1853 | Stout tagelus |
| Megachile (Pseudomegachile) kigonserana Friese, 1903 | |
| Megachile (Pseudomegachile) lanata Fabricius, 1775 | Wooly Wall Bee |
| Megachile (Pseudomegachile) sinuata Friese, 1903 | |
| Megachile (Sayapis) fidelis Cresson, 1878 | Faithful leafcutting bee |
| Megachile (Sayapis) frugalis Cresson, 1872 | |
| Megachile (Sayapis) inimica Cresson, 1872 | Hostile Leaf-cutter Bee |
| Megachile (Sayapis) newberryae Cockerell, 1900 | Newberry´s leaf-cutter Bee |
| Megachile (Sayapis) policaris Say, 1831 | |
| Megachile (Sayapis) pugnata Say, 1837 | Pugnacious Leaf-cutter Bee |
| Megachile (Schizomegachile) monstrosa Smith, 1868 | |
| Megachile (Thaumatosoma) duboulaii Smith, 1865 | Black-and-yellow cuthona |
| Megachile (Tylomegachile) simplicipes Friese, 1921 | Pickle Springs amphipod |
| Megachile (Xanthosarus) agustini Cockerell, 1905 | |
| Megachile (Xanthosarus) analis Nylander, 1852 | |
| Megachile (Xanthosarus) circumcincta Kirby, 1802 | Black-headed leaf-cutter bee |
| Megachile (Xanthosarus) comata Cresson, 1872 | |
| Megachile (Xanthosarus) dentitarsus Sladen, 1919 | |
| Megachile (Xanthosarus) fortis Cresson, 1872 | |
| Megachile (Xanthosarus) frigida Smith, 1853 | Frigid Leaf-cutter Bee |
| Megachile (Xanthosarus) lagopoda Linnaeus, 1761 | |
| Megachile (Xanthosarus) latimanus Say, 1823 | Broad-handed Leaf-cutter Bee |
| Megachile (Xanthosarus) maritima Kirby, 1802 | Coast Leaf-Cutter |
| Megachile (Xanthosarus) melanophaea Smith, 1853 | Black-and-gray Leaf-cutter Bee |
| Megachile (Xanthosarus) perihirta Cockerell, 1898 | Furry Leaf-cutter Bee |
| Megachile (Xanthosarus) willughbiella (Kirby, 1802) | ⇒ Megachile willughbiella Kirby, 1802 |
| Megachile albiscopa Saussure, 1890 | |
| Megachile albisecta Klug, 1817 | |
| Megachile albonotata Radoszkowski, 1886 | |
| Megachile alpicola Alfken, 1924 | |
| Megachile alpicola loekeniana Tkalcu, 1977 | |
| Megachile antiqua Mitchell, 1930 | |
| Megachile atrella Cockerell, 1906 | |
| Megachile bombycina Radoszkowski, 1874 | |
| Megachile clypeata Smith, 1853 | Stout tagelus |
| Megachile coelioxoides Cresson, 1878 | |
| Megachile cornigera Friese, 1904 | |
| Megachile cyanescens Friese, ., 1904 | |
| Megachile cylindrica Friese, 1906 | |
| Megachile demeter Cockerell, 1937 | |
| Megachile dolichosoma Benoist, 1962 | |
| Megachile eurimera Smith, 1854 | Stout tagelus |
| Megachile flavicrinis Vachal, 1908 | |
| Megachile genalis Morawitz, 1880 | |
| Megachile instita Mitchell, 1934 | |
| Megachile jerryrozeni Genaro, 2003 | |
| Megachile johannis Friese, 1922 | |
| Megachile karooensis Brauns, 1912 | |
| Megachile leeuwinensis Meade-Waldo, 1915 | |
| Megachile maackii Radoszkowski, 1874 | |
| Megachile maxillosa Guérin-Ménev..., 1845 | |
| Megachile michaelis Cockerell, 1931 | |
| Megachile montenegrensis Dours, 1873 | |
| Megachile nigriventris Schenck, 1870 | |
| Megachile nigriventris curvicrus Thomson, 1872 | |
| Megachile nigrovittata Cockerell, 1906 | |
| Megachile paracallida Rayment, 1935 | |
| Megachile paulistana Schrottky, 1902 | |
| Megachile perita Mitchell, 1930 | |
| Megachile perplexa Smith, 1853 | |
| Megachile pyrenaea Perez, 1890 | |
| Megachile pyrenaea elfvingi Tkalcu, 1977 | |
| Megachile ramulipes Cockerell, 1913 | |
| Megachile reflexa Snelling, 1990 | |
| Megachile rhyssalus Wu, 2005 | |
| Megachile riggenbachiana Strand, 1911 | |
| Megachile subanograe Mitchell, 1934 | |
| Megachile submetallica Benoist, 1955 | |
| Megachile sumizome Hirashima & ..., 1974 | |
| Megachile turneri Meade-Waldo, 1913 | |
| Megachile villosa (Fabricius, 1775) | ⇒ Hoplitis villosa Schenck, 1853 |
| Megachile zaptlana Cresson, 1878 | |
| Neofidelia longirostris Rozen, 1970 | |
| Notanthidium (Notanthidium) steloides Spinola, 1851 | |
| Osmia (Acanthosmioides) dakotensis Michener, 1937 | |
| Osmia (Acanthosmioides) integra Cresson, 1878 | |
| Osmia (Acanthosmioides) nifoata Cockerell, 1909 | |
| Osmia (Acanthosmioides) nigrifrons Cresson, 1878 | |
| Osmia (Acanthosmioides) prunorum Cockerell, 1897 | |
| Osmia (Acanthosmioides) unca Michener, 1937 | |
| Osmia (Allosmia) rufohirta Latreille, 1811 | |
| Osmia (Cephalosmia) montana Cresson, 1864 | |
| Osmia (Cephalosmia) subaustralis Cockerell, 1900 | |
| Osmia (Chalcosmia) caerulescens Linnaeus, 1758 | |
| Osmia (Chalcosmia) leaiana Kirby, 1802 | |
| Osmia (Chalcosmia) niveata Fabricius, 1804 | |
| Osmia (Chenosmia) cobaltina Cresson, 1878 | |
| Osmia (Diceratosmia) subfasciata Cresson, 1872 | |
| Osmia (Euthosmia) glauca Fowler, 1899 | |
| Osmia (Helicosmia) aurulenta Panzer, 1799 | Gold-Fringed Mason Bee |
| Osmia (Helicosmia) caerulescens (Linnaeus, 1758) | ⇒ Osmia caerulescens Linnaeus, 1758 |
| Osmia (Helicosmia) chalybea Smith, 1853 | Stout tagelus |
| Osmia (Helicosmia) coerulescens Linnaeus, 1758 | |
| Osmia (Helicosmia) coloradensis Cresson, 1878 | Colorado Osmia |
| Osmia (Helicosmia) latreillei Spinola, 1806 | |
| Osmia (Helicosmia) leaiana (Kirby, 1802) | ⇒ Osmia leaiana Kirby, 1802 |
| Osmia (Helicosmia) niveata (Fabricius, 1804) | ⇒ Osmia niveata Fabricius, 1804 |
| Osmia (Helicosmia) notata Fabricius, 1804 | Hairy cockle |
| Osmia (Melanosmia) atriventris Cresson, 1864 | Maine blueberry bee |
| Osmia (Melanosmia) bakeri (Sandhouse, 1924) | ⇒ Osmia melanopleura Cockerell, 1916 |
| Osmia (Melanosmia) brevis Cresson, 1864 | |
| Osmia (Melanosmia) bruneri Cockerell, 1897 | |
| Osmia (Melanosmia) bucephala Cresson, 1864 | Bufflehead Mason Bee |
| Osmia (Melanosmia) cara Cockerell, 1910 | |
| Osmia (Melanosmia) cerasi Cockerell, 1897 | |
| Osmia (Melanosmia) clarescens Cockerell, 1911 | |
| Osmia (Melanosmia) collinsiae Robertson, 1905 | Collinsia Mason |
| Osmia (Melanosmia) cyanella Cockerell, 1897 | |
| Osmia (Melanosmia) densa Cresson, 1864 | |
| Osmia (Melanosmia) enixa Sandhouse, 1924 | |
| Osmia (Melanosmia) exigua Cresson, 1878 | |
| Osmia (Melanosmia) gabrielis Cockerell, 1910 | |
| Osmia (Melanosmia) gaudiosa Cockerell, 1907 | |
| Osmia (Melanosmia) inermis Zetterstedt, 1838 | Mountain mason bee |
| Osmia (Melanosmia) inspergens Lovell & Coc..., 1907 | Shiny-Faced Mason Bee |
| Osmia (Melanosmia) inurbana Cresson, 1878 | |
| Osmia (Melanosmia) kincaidii Cockerell, 1897 | |
| Osmia (Melanosmia) laeta Sandhouse, 1924 | |
| Osmia (Melanosmia) malina Cockerell, 1909 | |
| Osmia (Melanosmia) marginata Michener, 1936 | |
| Osmia (Melanosmia) maritima Friese, 1885 | |
| Osmia (Melanosmia) nigriventris Zetterstedt, 1838 | |
| Osmia (Melanosmia) paradisica Sandhouse, 1924 | |
| Osmia (Melanosmia) parietina (Curtis, 1828) | ⇒ Osmia inermis Zetterstedt, 1838 |
| Osmia (Melanosmia) pilicornis Smith, 1846 | Fringe Horned Mason Bee |
| Osmia (Melanosmia) proxima Cresson, 1864 | |
| Osmia (Melanosmia) rawlinsi Sandhouse, 1939 | |
| Osmia (Melanosmia) sculleni Sandhouse, 1939 | |
| Osmia (Melanosmia) tersula Cockerell, 1912 | Wide-Banded Mason Bee |
| Osmia (Melanosmia) texana Cresson, 1872 | Texas Mason Bee |
| Osmia (Melanosmia) titusi (Cockerell, 1905) | ⇒ Osmia phenax Cockerell, 1897 |
| Osmia (Melanosmia) tristella Cockerell, 1897 | |
| Osmia (Melanosmia) uncinata (Gerstäcker, 1869) | ⇒ Osmia unca Michener, 1937 |
| Osmia (Melanosmia) virga Sandhouse, 1939 | Twig Mason Bee |
| Osmia (Melanosmia) xanthomelana Kirby, 1802 | Cliff Mason Bee |
| Osmia (Metallinella) brevicornis (Fabricius, 1798) | ⇒ Hoplitis brevicornis Morawitz, 1880 |
| Osmia (Mystacosmia) nemoris Sandhouse, 1924 | |
| Osmia (Neosmia) bicolor Schrank, 1781 | Red-tailed Mason Bee |
| Osmia (Neosmia) cinnabarina Perez, 1895 | Chrysanthemum gall midge |
| Osmia (Nothosmia) latisulcata Michener, 1936 | |
| Osmia (Osmia) cerinthidis Morawitz, 1876 | |
| Osmia (Osmia) cornifrons Radoszkowski, 1887 | Horn-faced bee |
| Osmia (Osmia) cornuta Latreille, 1805 | Mason bee |
| Osmia (Osmia) emarginata Lepeletier, 1841 | |
| Osmia (Osmia) lignaria Say, 1837 | Blue orchard bee |
| Osmia (Osmia) ribifloris Cockerell, 1900 | Blueberry bee |
| Osmia (Osmia) rufa (Linnaeus, 1758) | ⇒ Osmia bicornis Linnaeus, 1758 |
| Osmia rufa cornigera (Rossi, 1790) | ⇒ Osmia bicornis Linnaeus, 1758 |
| Osmia (Pyrosmia) ferruginea Latreille, 1811 | |
| Osmia (Pyrosmia) gallarum Spinola, 1808 | |
| Osmia (Pyrosmia) pusilla Cresson, 1864 | |
| Osmia (Pyrosmia) submicans Morawitz, 1870 | |
| Osmia submicans submicans Morawitz, 1870 | |
| Osmia (Pyrosmia) versicolor Latreille, 1811 | |
| Osmia (Pyrosmia) viridana Morawitz, 1874 | |
| Osmia acuticornis (Dufour & Perris, 1840) | ⇒ Hoplitis acuticornis Dufour & Perris, 1840 |
| Osmia adunca (Panzer, 1798) | ⇒ Hoplitis adunca Panzer, 1798 |
| Osmia alfkenii Ducke, 1899 | |
| Osmia aliciae Ayala & Gris..., 2005 | |
| Osmia andrenoides Spinola, 1808 | |
| Osmia anthocopoides (Schenck, 1853) | ⇒ Hoplitis anthocopoides Schenck, 1853 |
| Osmia antiqua ♰ Heer, 1849 | |
| Osmia bella (Cresson, 1878) | ⇒ Osmia cobaltina Cresson, 1878 |
| Osmia bicornis Linnaeus, 1758 | Chrysanthemum gall midge |
| Osmia bicornis bicornis Linné, 1758 | |
| Osmia bicornis cornigera Rossi, 1780 | |
| Osmia bidentata (Morawitz, 1876) | ⇒ Hoplosmia bidentata Morawitz, 1876 |
| Osmia caementaria Gerstäcker, 1869 | |
| Osmia campanularum Kirby, 1802 | |
| Osmia cantabrica Benoist, 1935 | |
| Osmia carbonum ♰ C. von Heyden, 1862 | |
| Osmia claviventris (Thomson, 1872) | ⇒ Hoplitis claviventris Thomson, 1872 |
| Osmia crenulata Nylander, 1856 | |
| Osmia crinita (Alfken, 1942) | ⇒ Osmia alfkenii Ducke, 1899 |
| Osmia cyanopoda Cockerell, 1916 | |
| Osmia disjuncta Tkalcu, 1995 | |
| Osmia dolerosa Sandhouse, 1939 | |
| Osmia ednae (Cockerell, 1907) | ⇒ Osmia calla Cockerell, 1897 |
| Osmia florisomnis Linnaeus, 1758 | |
| Osmia fulviventris (Panzer, 1798) | ⇒ Osmia niveata Fabricius, 1804 |
| Osmia granulosa (Cockerell, 1911) | ⇒ Osmia exigua Cresson, 1878 |
| Osmia hyperborea Tkalcu, 1983 | |
| Osmia labialis Perez, 1879 | |
| Osmia laticella van der Zanden, 1986 | |
| Osmia laticeps Thomson, 1872 | Alfilaree |
| Osmia lepeletieri (Perez, 1879) | ⇒ Hoplitis lepeletieri Perez, 1879 |
| Osmia leucomelana Kirby, 1802 | Large Welted Lesser-Mason |
| Osmia longiceps (Morawitz, 1876) | ⇒ Osmia cephalotes Morawitz, 1870 |
| Osmia lupinicola Cockerell, 1937 | |
| Osmia mitis (Nylander, 1852) | ⇒ Hoplitis mitis Nylander, 1852 |
| Osmia mustelina Gerstäcker, 1869 | |
| Osmia nigra ♰ F. E. Zeuner, 1976 | |
| Osmia papaveris (Latreille, 1799) | ⇒ Hoplitis papaveris Latreille, 1799 |
| Osmia parvula (Dufour & Perris, 1840) | ⇒ Hoplitis leucomelana Kirby, 1802 |
| Osmia pentstemonis Cockerell, 1906 | |
| Osmia phaceliae Cockerell, 1907 | |
| Osmia rapunculi Lepeletier, 1841 | |
| Osmia ravouxi (Perez, 1902) | ⇒ Hoplitis ravouxi Perez, 1902 |
| Osmia spinulosa Kirby, 1802 | Spined Mason Bee |
| Osmia svenssoni Tkalcu, 1983 | |
| Osmia trevoris Cockerell, 1897 | |
| Osmia tridentata (DUFOUR & PÉREZ, 1840) | ⇒ Hoplitis tridentata Dufour & Perris, 1840 |
| Osmia truncorum (Linnaeus, 1758) | ⇒ Heriades truncorum Linnaeus, 1758 |
| Osmia tuberculata (Nylander, 1848) | ⇒ Hoplitis tuberculata Nylander, 1848 |
| Osmia ventralis Panzer, 1798 | |
| Osmia villosa (Schenck, 1853) | ⇒ Hoplitis villosa Schenck, 1853 |
| Othinosmia globicola Stadelmann, 1892 | |
| Othinosmia namana Strand, 1912 | |
| Pachyanthidium ausense Mavromoustakis, 1934 | |
| Pachyanthidium benguelense Vachal, 1903 | |
| Pachyanthidium bicolor Lepeletier, 1841 | |
| Paranthidium gabbii Cresson, 1878 | |
| Plesianthidium calescens Cockerell, 1921 | |
| Plesianthidium neli Brauns, 1929 | |
| Plesianthidium rufocaudatum Friese, 1909 | |
| Plesianthidium volkmanni Friese, 1909 | |
| Protosmia (Chelostomopsis) rubifloris Cockerell, 1898 | |
| Pseudoanthidium (Micranthidium) lanificum Smith, 1879 | |
| Pseudoanthidium (Paraanthidiellum) lituratum (Panzer, 1801) | ⇒ Pseudoanthidium nanum Mocsáry, 1879 |
| Pseudoanthidium (Pseudoanthidium) scapulare Latreille, 1809 | Cancellate semele |
| Pseudoanthidium (Pseudoanthidium) truncatum Smith, 1854 | |
| Pseudoanthidium melanurum Klug, 1832 | |
| Pseudoanthidium nanum Mocsáry, 1879 | |
| Pseudoanthidium tenellum Mocsáry, 1881 | |
| Pseudoanthidium tuberculiferum Brauns, 1905 | |
| Rhodanthidium (Rhodanthidium) septemdentatum Latreille, 1809 | Cancellate semele |
| Serapista rufipes Friese, 1904 | |
| Stelis (Dolichostelis) perpulchra Crawford, 1916 | |
| Stelis (Dolichostelis) rudbeckiarum Cockerell, 1904 | |
| Stelis (Protostelis) signata Latreille, 1809 | Cancellate semele |
| Stelis (Stelidium) ashmeadiella | |
| Stelis (Stelis) callura Cockerell, 1925 | |
| Stelis (Stelis) montana Cresson, 1864 | |
| Stelis (Stelis) phaeoptera Kirby, 1802 | Plain dark bee |
| Stelis aterrima Panzer, 1798 | |
| Stelis breviuscula Nylander, 1848 | Little dark bee |
| Stelis franconica Blüthgen, 1930 | |
| Stelis minima Schenck, 1861 | |
| Stelis minuta Lepeletier &..., 1825 | |
| Stelis nasuta Latreille, 1809 | Cancellate semele |
| Stelis odontopyga Noskiewicz, 1926 | |
| Stelis ornatula Klug, 1807 | Spotted dark bee |
| Stelis punctulatissima Kirby, 1802 | Banded dark bee |
| Stelis simillima Morawitz, 1876 | |
| Trachusa (Heteranthidium) bequaerti Schwarz, 1926 | |
| Trachusa (Heteranthidium) cordaticeps Michener, 1949 | |
| Trachusa (Heteranthidium) larreae Cockerell, 1897 | |
| Trachusa (Heteranthidium) occidentalis Cresson, 1868 | |
| Trachusa (Paranthidium) interrupta Fabricius, 1781 | |
| Trachusa (Trachusa) byssina Panzer, 1798 | |
| Trachusa catinula Brooks & Gri..., 1988 | |
| Trachusa formosana Friese, 1917 | |
| Trachusa mitchelli Michener, 1948 | |
| Trachusa serratulae Panzer, 1802 | |
| Trachysa byssina Panzer, 1798 | |
| Trichothurgus atacamensis Sielfeld, 1973 | |
