| Amegilla (Micramegilla) niveata Friese, 1905 | |
| Amegilla (Notomegilla) chlorocyanea Cockerell, 1914 | Blue Banded Bee |
| Amegilla (Zonamegilla) asserta Cockerell, 1926 | Blue-banded Bee |
| Amegilla (Zonamegilla) murrayensis Rayment, 1935 | |
| Anthophora (Anthophora) plumipes Pallas, 1772 | Hairy footed flower bee |
| Anthophora (Clisodon) furcata Panzer, 1798 | Fork Tailed Flower Bee |
| Anthophora (Dasymegilla) quadrimaculata Panzer, 1798 | Four-banded flower bee |
| Anthophora (Heliophila) bimaculata Panzer, 1798 | Green-eyed flower bee |
| Anthophora (Lophanthophora) ursina Cresson, 1869 | |
| Anthophora (Melea) plagiata Illiger, 1806 | |
| Anthophora (Pyganthophora) retusa Linnaeus, 1758 | Potter Flower Bee |
| Anthophora melfordi ♰ T. D. A. Coc..., 1908 | |
| Apis (Apis) mellifera Linnaeus, 1758 | Drone-Bee |
| Austroplebeia australis Friese, 1898 | |
| Biastes truncatus Nylander, 1848 | |
| Bombus (Alpigenobombus) wurflenii Radoszkowski, 1860 | |
| Bombus (Alpinobombus) alpinus Linnaeus, 1758 | Alpine bumblebee |
| Bombus (Alpinobombus) balteatus Dahlbom, 1832 | Baltic bumblebee |
| Bombus (Bombus) affinis Cresson, 1863 | Rusty patch bumble bee |
| Bombus (Bombus) cryptarum Fabricius, 1775 | Cryptic Bumble Bee |
| Bombus (Bombus) lucorum (Linnaeus, 1761) | ⇒ Bombus lantschouensis Vogt, 1908 |
| Bombus (Bombus) magnus Vogt, 1911 | Northern White-tail |
| Bombus (Bombus) occidentalis (Greene, 1858) | ⇒ Bombus terricola Kirby, 1837 |
| Bombus (Bombus) sporadicus Nylander, 1848 | Blue Ridge Mountain amphipod |
| Bombus (Bombus) terrestris (Linnaeus, 1758) | ⇒ Bombus longipennis Friese, 1918 |
| Bombus (Bombus) terricola Kirby, 1837 | Yellow-banded Bumble Bee |
| Bombus (Cullumanobombus) rufocinctus Cresson, 1863 | Red-belted Bumble Bee |
| Bombus (Fervidobombus) californicus (Smith, 1854) | ⇒ Bombus fervidus Fabricius, 1798 |
| Bombus (Fervidobombus) fervidus Fabricius, 1798 | Golden Northern Bumble Bee |
| Bombus (Fervidobombus) pensylvanicus De Geer, 1773 | American bumble bee |
| Bombus (Funebribombus) funebris Smith, 1854 | Mourning bee |
| Bombus (Kallobombus) soroeensis Fabricius, 1776 | Broken-belted Bumble Bee |
| Bombus (Megabombus) consobrinus Dahlbom, 1832 | Northern Monkshood bumblebee |
| Bombus (Megabombus) hortorum Linnaeus, 1761 | Garden bumblebee |
| Bombus (Megabombus) ruderatus Fabricius, 1775 | Large Garden Bumble Bee |
| Bombus (Megabombus) sylvarum Linnaeus, 1761 | Knapweed Carder Bee |
| Bombus (Melanobombus) lapidarius Linnaeus, 1758 | Large Red-tailed Bumble Bee |
| Bombus (Psithyrus) ashtoni Cresson, 1864 | Ashton cuckoo bumble bee |
| Bombus (Psithyrus) barbutellus Kirby, 1802 | Barbut's Cuckoo Bee |
| Bombus (Psithyrus) bohemicus Seidl, 1837 | Ashton's Cuckoo Bumblebee |
| Bombus (Psithyrus) campestris Panzer, 1801 | Field Cuckoo Bee |
| Bombus (Psithyrus) fernaldae (Franklin, 1911) | ⇒ Bombus flavidus Eversmann, 1852 |
| Bombus (Psithyrus) flavidus Eversmann, 1852 | Fernald Cuckoo Bumble Bee |
| Bombus (Psithyrus) insularis (Smith, 1861) | ⇒ Bombus hypnorum Linnaeus, 1758 |
| Bombus (Psithyrus) norvegicus Sparre-Schne..., 1918 | Norwegian cuckoo bumblebee |
| Bombus (Psithyrus) quadricolor Lepeletier, 1832 | Four-coloured cuckoo bumblebee |
| Bombus (Psithyrus) rupestris Fabricius, 1793 | Hill Cuckoo Bee |
| Bombus (Psithyrus) sylvestris Lepeletier, 1832 | Forest Cuckoo Bee |
| Bombus (Psithyrus) vestalis Geoffroy, 1785 | Southern Cuckoo Bee |
| Bombus (Pyrobombus) bifarius Cresson, 1878 | Black-notched Bumble Bee |
| Bombus (Pyrobombus) bimaculatus Cresson, 1863 | Two-spotted Bumble Bee |
| Bombus (Pyrobombus) caliginosus Frison, 1927 | Fog-belt Bumble Bee |
| Bombus (Pyrobombus) cingulatus Wahlberg, 1854 | Belted bumblebee |
| Bombus (Pyrobombus) flavifrons Cresson, 1863 | Yellow head bumble bee |
| Bombus (Pyrobombus) hypnorum Linnaeus, 1758 | New garden bumblebee |
| Bombus (Pyrobombus) impatiens Cresson, 1863 | Common eastern bumble bee |
| Bombus (Pyrobombus) jonellus Kirby, 1802 | Heath Bumble Bee |
| Bombus (Pyrobombus) lapponicus (Fabricius, 1793) | ⇒ Bombus monticola Smith, 1849 |
| Bombus (Pyrobombus) melanopygus Nylander, 1848 | Black tail bumble bee |
| Bombus (Pyrobombus) mixtus Cresson, 1878 | Fuzzy-horned bumble bee |
| Bombus (Pyrobombus) monticola Smith, 1849 | Bilberry Blaeberry Bumblebee |
| Bombus (Pyrobombus) perplexus (Cresson, 1863) | ⇒ Bombus soroeensis Fabricius, 1776 |
| Bombus (Pyrobombus) pratorum Illiger, 1806 | Apple Bumblebee |
| Bombus (Pyrobombus) sitkensis Nylander, 1848 | Sitka bumble bee |
| Bombus (Pyrobombus) ternarius Say, 1837 | Orange-belted Bumble Bee |
| Bombus (Pyrobombus) vosnesenskii Radoszkowski, 1862 | Vosnesensky bumble bee |
| Bombus (Robustobombus) hortulanus Smith, 1904 | |
| Bombus (Robustobombus) melaleucus Handlirsch, 1888 | |
| Bombus (Robustobombus) robustus Smith, 1854 | |
| Bombus (Subterraneobombus) appositus Cresson, 1878 | Mountain Bumble Bee |
| Bombus (Subterraneobombus) distinguendus Morawitz, 1869 | Great Yellow Bumble Bee |
| Bombus (Subterraneobombus) subterraneus ♰ Linnaeus, 1758 | Short-haired Bumble Bee |
| Bombus (Thoracobombus) humilis Illiger, 1806 | Brown-banded carder bee |
| Bombus (Thoracobombus) muscorum Linnaeus, 1758 | Large carder bee |
| Bombus (Thoracobombus) pascuorum Scopoli, 1763 | Common carder bee |
| Bombus (Thoracobombus) ruderarius (Müller, 1776) | ⇒ Bombus ruderarius Müller, 1776 |
| Bombus (Thoracobombus) veteranus Fabricius, 1793 | Sand bumblebee |
| Bombus sg | |
| Calyptapis florissantensis ♰ T. D. A. Coc..., 1906 | |
| Ceratina (Euceratina) cyanea Kirby, 1802 | Blue carpenter bee |
| Ceratina (Zadontomerus) acantha Provancher, 1895 | Prickly Ceratina |
| Elaphropoda bembidion Lieftinck, 1966 | Cascade cave amphipod |
| Epeolus alpinus Friese, 1893 | |
| Epeolus cruciger Panzer, 1799 | Red thighed cuckoo mining bee |
| Epeolus julliani Perez, 1884 | |
| Epeolus variegatus Linnaeus, 1758 | Black-Thighed Epeolus |
| Eucera (Eucera) longicornis Linnaeus, 1758 | Long-horned Bee |
| Eucera (Synhalonia) belfragei Cresson, 1872 | |
| Exoneura (Exoneura) robusta Cockerell, 1922 | |
| Exoneurella setosa Houston, 1976 | |
| Melecta (Melecta) luctuosa Scopoli, 1770 | Square-spotted mourning bee |
| Melissodes (Callimelissodes) lupina Cresson, 1878 | |
| Melissodes (Callimelissodes) lustra LaBerge, 1961 | |
| Melissodes (Eumelissodes) robustior Cockerell, 1915 | Robust Long-horned Bee |
| Melissodes (Heliomelissodes) desponsa Smith, 1854 | Thistle Long-horned Bee |
| Nomada (Nomadula) ruficornis Linnaeus, 1758 | Fork-Jawed Nomad |
| Nomada alboguttata Herrich-Schä..., 1839 | Large bear-clawed nomad bee |
| Nomada armata Herrich-Schä..., 1839 | Armed Nomad |
| Nomada fabriciana Linnaeus, 1767 | Fabricius' Nomad Bee |
| Nomada flava Panzer, 1798 | Ballona cinquefoil |
| Nomada flavoguttata Kirby, 1802 | Little Nomad Bee |
| Nomada flavopicta (Kirby, 1802) | ⇒ Nomada hesperia Cockerell, 1903 |
| Nomada fulvicornis Fabricius, 1793 | 6-Banded Nomad Bee |
| Nomada fusca Schwarz, 1986 | |
| Nomada goodeniana Kirby, 1802 | Gooden's nomad bee |
| Nomada guttulata Schenck, 1861 | Short-spined nomad bee |
| Nomada lathburiana Kirby, 1802 | Lathbury's nomad bee |
| Nomada leucophthalma Kirby, 1802 | Early Nomad |
| Nomada marshamella Kirby, 1802 | Marsham's nomad bee |
| Nomada moeschleri Alfken, 1913 | |
| Nomada obscura (Zetterstedt, 1838) | ⇒ Nomada obscurella Fowler, 1902 |
| Nomada obtusifrons Nylander, 1848 | Blue Ridge Mountain amphipod |
| Nomada opaca Alfken, 1913 | |
| Nomada panzeri Lepeletier, 1841 | Panzer's nomad bee |
| Nomada roberjeotiana Panzer, 1799 | Tormentil nomad bee |
| Nomada rufipes Fabricius, 1793 | Black-horned nomad bee |
| Nomada semisuavis Cockerell, 1910 | |
| Nomada stigma Fabricius, 1804 | Aleutian macoma |
| Nomada striata Fabricius, 1793 | Blunt-jawed nomad bee |
| Nomada subcornuta (Kirby, 1802) | ⇒ Nomada fulvicornis Fabricius, 1793 |
| Nomada tormentillae (Alfken, 1901) | ⇒ Nomada roberjeotiana Panzer, 1799 |
| Nomada villosa Thomson, 1870 | Longbeak stork's bill |
| Peponapis (Peponapis) pruinosa Say, 1837 | Eastern cucurbit bee |
| Tetragonula carbonaria Smith, 1854 | Sugarbag bee |
| Thyreus nitidulus Fabricius, 1804 | Hairy cockle |
| Xeromelecta (Melectomorpha) californica Cresson, 1878 | California Xeromelecta |
| Xylocopa (Koptortosoma) aruana Ritsema, 1876 | Great Carpenter Bee |
| Xylocopa (Koptortosoma) caffra Linnaeus, 1767 | |
| Xylocopa (Koptortosoma) lieftincki Leys, 2000 | |
| Xylocopa (Lestis) bombylans Fabricius, 1775 | Peacock carpenter bee |
| Xylocopa (Mesotrichia) flavorufa DeGeer, 1778 | |
| Xylocopa tabaniformis sylvicola O´Brien & Hurd, 1965 | |
| Xylocopa (Xylocopa) violacea Müller, 1776 | European Carpenter Bee |
| Xylocopa californica diamesa Hurd, 1954 | |
| Xylocopa (Xylocopoides) virginica Linnaeus, 1771 | Carpenter bee |
