| Agapanthinus callophilus Cockerell, 1923 | |
| Amegilla (Amegilla) capensis Friese, 1905 | |
| Amegilla (Amegilla) incana Klug, 1845 | |
| Amegilla (Amegilla) quadrifasciata de Villers, 1789 | White-banded Digger Bee |
| Amegilla (Asaropoda) dawsoni Rayment, 1951 | Dawson´s burrowing bee |
| Amegilla (Megamegilla) acraensis Fabricius, 1793 | Mining Bee |
| Amegilla acraensis tellervo | |
| Amegilla (Zebramegilla) spilostoma Cameron, 1905 | |
| Amegilla (Zonamegilla) thorogoodi Rayment, 1939 | |
| Amegilla candida Smith, 1879 | |
| Ancyloscelis apiformis Fabricius, 1793 | |
| Ancyloscelis sejunctus Cockerell, 1933 | |
| Anthophora (Anthophora) plumipes Pallas, 1772 | Hairy footed flower bee |
| Anthophora (Anthophoroides) californica Cresson, 1869 | California Anthophora |
| Anthophora (Anthophoroides) linsleyi Timberlake, 1941 | |
| Anthophora (Anthophoroides) marginata Smith, 1854 | |
| Anthophora (Anthophoroides) phaceliae Brooks, 1988 | |
| Anthophora (Anthophoroides) signata Brooks, 1988 | |
| Anthophora (Anthophoroides) vallorum Cockerell, 1896 | |
| Anthophora (Clisodon) furcata Panzer, 1798 | Fork Tailed Flower Bee |
| Anthophora (Clisodon) terminalis Cresson, 1869 | Orange-Tipped Wood-Digger Bee |
| Anthophora (Heliophila) abroniae Timberlake, 1937 | |
| Anthophora (Heliophila) albata Cresson, 1876 | |
| Anthophora (Heliophila) cockerelli Timberlake, 1937 | |
| Anthophora (Heliophila) columbariae Timberlake &..., 1937 | |
| Anthophora (Heliophila) curta (Provancher, 1895) | ⇒ Anthophora squammulosa Dours, 1869 |
| Anthophora (Heliophila) exigua Cresson, 1879 | |
| Anthophora (Heliophila) flavocincta Huard, 1897 | |
| Anthophora (Heliophila) franciscana (Cockerell, 1949) | ⇒ Anthophora squammulosa Dours, 1869 |
| Anthophora (Heliophila) hololeuca Cockerell, 1923 | |
| Anthophora (Heliophila) lanzarotensis Tkalcu, 1993 | |
| Anthophora (Heliophila) maculifrons Cresson, 1879 | |
| Anthophora (Heliophila) mortuaria Timberlake, 1937 | |
| Anthophora (Heliophila) peritomae Cockerell, 1905 | |
| Anthophora (Heliophila) petrophila Cockerell, 1905 | |
| Anthophora (Heliophila) phenax Cockerell, 1898 | |
| Anthophora (Heliophila) salazariae Timberlake, 1937 | |
| Anthophora (Heliophila) squammulosa Dours, 1869 | |
| Anthophora (Heliophila) tridentella Priesner, 1957 | |
| Anthophora (Heliophila) vestita Smith, 1854 | |
| Anthophora (Lophanthophora) affabilis Cresson, 1878 | |
| Anthophora (Lophanthophora) coptognatha Timberlake, 1951 | |
| Anthophora (Lophanthophora) dammersi Timberlake, 1937 | |
| Anthophora (Lophanthophora) fedorica Cockerell, 1906 | |
| Anthophora (Lophanthophora) neglecta Timberlake &..., 1936 | |
| Anthophora (Lophanthophora) pacifica Cresson, 1878 | |
| Anthophora (Lophanthophora) porterae Cockerell, 1900 | |
| Anthophora (Lophanthophora) ursina Cresson, 1869 | |
| Anthophora (Melea) abrupta Say, 1837 | Vegetable hummingbird |
| Anthophora (Melea) bomboides Kirby, 1837 | Bumble-bee-mimic Anthophora |
| Anthophora (Melea) occidentalis Cresson, 1869 | Digger bee |
| Anthophora (Micranthophora) rhodothorax Michener, 1936 | |
| Anthophora (Mystacanthophora) capistrata Cresson, 1878 | |
| Anthophora (Mystacanthophora) incerta Spinola, 1851 | |
| Anthophora (Mystacanthophora) montana Cresson, 1869 | Rocky Mountain Anthophora |
| Anthophora (Mystacanthophora) paranensis Holmberg, 1903 | |
| Anthophora (Mystacanthophora) tricolor Fabricius, 1775 | |
| Anthophora (Mystacanthophora) urbana Cresson, 1878 | |
| Anthophora (Mystacanthophora) walshii Cresson, 1869 | Walsh´s Anthophora |
| Anthophora (Paramegilla) basalis Smith, 1854 | |
| Anthophora (Paramegilla) centriformis Cresson, 1879 | |
| Anthophora (Paramegilla) fulvicauda Timberlake, 1937 | |
| Anthophora (Paramegilla) harmalae Morawitz, 1878 | |
| Anthophora (Petalosternon) similis Fedtschenko, 1875 | |
| Anthophora (Pyganthophora) alluaudi Perez, 1902 | |
| Anthophora (Pyganthophora) cincreus Friese, 1896 | |
| Anthophora (Pyganthophora) crotchii Cresson, 1878 | Crotch´s Anthophora |
| Anthophora (Pyganthophora) edwardsii Cresson, 1878 | |
| Anthophora (Pyganthophora) forbesi Cockerell, 1907 | |
| Anthophora (Pyganthophora) lesquerellae Cockerell, 1896 | |
| Anthophora (Pyganthophora) porphyrea Westrich, 1993 | |
| Anthophora (Uncertain) purpuraria Westrich, 1993 | |
| Anthophora anasazi | |
| Anthophora biciliata Lepeletier, 1841 | |
| Anthophora boharti Brooks, 1988 | |
| Anthophora carbonaria Morawitz, 1876 | |
| Anthophora catalinae Cockerell, 1901 | |
| Anthophora cinereus (Friese, 1896) | ⇒ Anthophora cincreus Friese, 1896 |
| Anthophora cinerula | |
| Anthophora compactula | |
| Anthophora corvicolor Cockerell, 1905 | |
| Anthophora erythrothorax Michener, 1936 | |
| Anthophora estebana Cockerell, 1923 | |
| Anthophora flexipes Cresson, 1879 | |
| Anthophora gohrmanae Cockerell, 1903 | |
| Anthophora ignava Cresson, 1879 | |
| Anthophora lieftinctki Tkalcu, 1994 | |
| Anthophora melfordi ♰ T. D. A. Coc..., 1908 | |
| Anthophora morrisoni Cresson, 1879 | |
| Anthophora mucida (Gribodo, 1873) | ⇒ Habropoda cressoni Dalla Torre, 1896 |
| Anthophora nubiterrae Viereck, 1903 | |
| Anthophora pachyodonta Cockerell, 1923 | |
| Anthophora perezi Morawitz, 1895 | Reddell stygobromid |
| Anthophora pernigra Cresson, 1879 | |
| Anthophora platti Timberlake, 1951 | |
| Anthophora pueblo Orr, 2016 | |
| Anthophora pygmaea (Dours, 1869) | ⇒ Ancyloscelis apiformis Fabricius, 1793 |
| Anthophora raui Rohwer, 1923 | |
| Anthophora simillima Cresson, 1879 | |
| Anthophora smithii Dours, 1869 | |
| Anthophora sodalis Cresson, 1879 | |
| Anthophora stanfordiana Cockerell, 1904 | |
| Anthophora striata Orr, 2018 | |
| Anthophora timberlakei Orr, 2018 | |
| Anthophora vannigera Timberlake, 1951 | |
| Anthophora villosula (Smith, 1854) | ⇒ Colletes hederae Schmidt & We..., 1993 |
| Anthophorula (Anthophorisca) chionura Cockerell, 1925 | |
| Anthophorula (Anthophorisca) consobrina Timberlake, 1980 | |
| Anthophorula (Anthophorisca) micheneri Timberlake, 1947 | |
| Anthophorula (Anthophorisca) morgani Cockerell, 1914 | |
| Anthophorula (Anthophorisca) nitens Cockerell, 1915 | |
| Anthophorula (Anthophorisca) parva Timberlake, 1980 | |
| Anthophorula (Anthophorisca) pygmaea Cresson, 1872 | |
| Anthophorula (Anthophorisca) sidae Cockerell, 1897 | |
| Anthophorula (Anthophorisca) texana Friese, 1899 | |
| Anthophorula (Anthophorula) albata Timberlake, 1947 | |
| Anthophorula (Anthophorula) albicans Provancher, 1896 | |
| Anthophorula (Anthophorula) albovestita Timberlake, 1947 | |
| Anthophorula (Anthophorula) cerei Timberlake, 1947 | |
| Anthophorula (Anthophorula) compactula Cockerell, 1897 | |
| Anthophorula (Anthophorula) completa Cockerell, 1935 | |
| Anthophorula (Anthophorula) deserticola Timberlake, 1947 | |
| Anthophorula (Anthophorula) eriogoni Timberlake, 1947 | |
| Anthophorula (Anthophorula) euphorbiae Timberlake, 1947 | |
| Anthophorula (Anthophorula) gutierreziae Timberlake, 1947 | |
| Anthophorula (Anthophorula) interrupta Timberlake, 1980 | |
| Anthophorula (Anthophorula) rufiventris Timberlake, 1947 | |
| Anthophorula (Anthophorula) torticornis Cockerell, 1927 | |
| Anthophorula asteris Mitchell, 1962 | |
| Anthophorula beameri Timberlake, 1980 | |
| Anthophorula chlorina Cockerell, 1918 | |
| Anthophorula cornigera Cockerell, 1922 | |
| Anthophorula crenulata Timberlake, 1980 | |
| Anthophorula ignota Timberlake, 1980 | |
| Anthophorula imparilis Timberlake, 1980 | |
| Anthophorula morula Timberlake, 1980 | |
| Anthophorula nevadensis Timberlake, 1980 | |
| Anthophorula palmarum Timberlake, 1947 | |
| Anthophorula rozeni Timberlake, 1980 | |
| Anthophorula scapalis Timberlake, 1980 | |
| Anthophorula tricinctula Timberlake, 1980 | |
| Anthophorula varleyi Timberlake, 1947 | |
| Apis (Apis) cerana Fabricius, 1793 | Asian honey bee |
| Apis (Apis) mellifera Linnaeus, 1758 | Drone-Bee |
| Apis (Cascapis) nearctica ♰ Engel, Hinoj..., 2009 | |
| Apis myscelus Harris, 1776 | |
| Axestotrigona ferruginea Lepeletier, 1836 | |
| Bombomelecta arizonica Cockerell, 1902 | |
| Bombomelecta azygos Viereck, 1903 | |
| Bombomelecta larreae Cockerell, 1900 | |
| Bombomelecta zygos Viereck, 1903 | |
| Bombus (Agrobombus) pascuorum Vogt, 1909 | |
| Bombus (Alpigenobombus) breviceps Smith, 1852 | |
| Bombus (Alpigenobombus) nobilis Friese, 1905 | |
| Bombus (Alpigenobombus) wurflenii Radoszkowski, 1860 | |
| Bombus (Alpinobombus) balteatus Dahlbom, 1832 | Baltic bumblebee |
| Bombus (Alpinobombus) hyperboreus Schönherr, 1809 | Great arctic bumblebee |
| Bombus (Alpinobombus) neoboreus (Sladen, 1919) | ⇒ Bombus strenuus Cresson, 1863 |
| Bombus (Alpinobombus) polaris Curtis, 1835 | Polar Bumble Bee |
| Bombus (Bombias) auricomus Robertson, 1903 | Black and gold bumble bee |
| Bombus (Bombias) mormonorum Franklin, 1911 | |
| Bombus (Bombias) nevadensis (Cockerell, 1937) | ⇒ Bombus auricomus Robertson, 1903 |
| Bombus nevadensis nevadensis | |
| Bombus (Bombus) affinis Cresson, 1863 | Rusty patch bumble bee |
| Bombus (Bombus) cryptarum Fabricius, 1775 | Cryptic Bumble Bee |
| Bombus (Bombus) franklini Frison, 1921 | Franklin bumble bee |
| Bombus (Bombus) hypocrita Perez, 1905 | |
| Bombus (Bombus) lantschouensis Vogt, 1908 | |
| Bombus (Bombus) longipennis Friese, 1918 | |
| Bombus (Bombus) lucorum (Linnaeus, 1761) | ⇒ Bombus lantschouensis Vogt, 1908 |
| Bombus lucorum lucorum Linnaeus, 1761 | |
| Bombus lucorum moderatus | |
| Bombus (Bombus) magnus Vogt, 1911 | Northern White-tail |
| Bombus (Bombus) medius Cresson, 1863 | |
| Bombus (Bombus) moderatus Cresson, 1863 | |
| Bombus (Bombus) nevadensis Cresson, 1874 | Nevada bumble bee |
| Bombus (Bombus) occidentalis (Greene, 1858) | ⇒ Bombus terricola Kirby, 1837 |
| Bombus (Bombus) patagiatus (Nylander, 1848) | ⇒ Bombus minshanensis Bischoff, 1936 |
| Bombus (Bombus) terrestris (Linnaeus, 1758) | ⇒ Bombus longipennis Friese, 1918 |
| Bombus (Bombus) terricola Kirby, 1837 | Yellow-banded Bumble Bee |
| Bombus terricola occidentalis | Western Bumble Bee |
| Bombus (Bombus) weisi Fkln, 1915 | |
| Bombus (Crotchiibombus) crotchii Cresson, 1878 | Crotch bumble bee |
| Bombus (Cullumanobombus) crotchii Cresson, 1878 | Crotch´s Bumble Bee |
| Bombus (Cullumanobombus) fraternus Smith, 1854 | Southern plains bumble bee |
| Bombus (Cullumanobombus) griseocollis De Geer, 1773 | Brown-belted Bumble Bee |
| Bombus (Cullumanobombus) morrisoni Cresson, 1878 | Morrison bumble bee |
| Bombus (Cullumanobombus) rufocinctus Cresson, 1863 | Red-belted Bumble Bee |
| Bombus (Fernaldaepsithyrus) sylvestris Lepeletier, 1832 | |
| Bombus (Fervidobombus) atratus Franklin, 1913 | |
| Bombus (Fervidobombus) californicus (Smith, 1854) | ⇒ Bombus fervidus Fabricius, 1798 |
| Bombus (Fervidobombus) dahlbomii Guérin-Ménev..., 1835 | |
| Bombus (Fervidobombus) excellens Smith, 1879 | Bunchberry dogwood |
| Bombus (Fervidobombus) fervidus Fabricius, 1798 | Golden Northern Bumble Bee |
| Bombus fervidus californicus | California Bumble Bee |
| Bombus fervidus fervidus | |
| Bombus (Fervidobombus) medius Cresson, 1863 | |
| Bombus (Fervidobombus) mexicanus Cresson, 1878 | |
| Bombus (Fervidobombus) morio Swederus, 1787 | |
| Bombus (Fervidobombus) pensylvanicus De Geer, 1773 | American bumble bee |
| Bombus pensylvanicus sonorus | Sonoran Bumble Bee |
| Bombus (Fervidobombus) sonorus (Say, 1837) | ⇒ Bombus pensylvanica De Geer, 1773 |
| Bombus (Fervidobombus) weisi Friese, 1903 | |
| Bombus (Fraternobombus) fraternus Smith, 1854 | Southern plains bumble bee |
| Bombus (Hortobombus) hortorum Tkalcu, 1960 | |
| Bombus (Hortobombus) ruderatus Tkalcu, 1961 | |
| Bombus (Kallobombus) soroeensis Fabricius, 1776 | Broken-belted Bumble Bee |
| Bombus (Lapidariobombus) lapidarius (Tkalcu, 1960) | ⇒ Bombus semenovianus Skorikov, 1914 |
| Bombus (Megabombus) argillaceus Scopoli, 1763 | |
| Bombus (Megabombus) diligens Smith, 1861 | Delicate tellin |
| Bombus (Megabombus) distinguendus Morawitz, 1869 | Great Yellow Bumble Bee |
| Bombus (Megabombus) hortorum Linnaeus, 1761 | Garden bumblebee |
| Bombus (Megabombus) irisanensis Cockerell, 1910 | |
| Bombus (Megabombus) opifex Smith, 1879 | Bunchberry dogwood |
| Bombus ruderatus eurynotus (Dalla Torre, 1882) | ⇒ Bombus ruderatus Fabricius, 1775 |
| Bombus (Megabombus) sylvarum Linnaeus, 1761 | Knapweed Carder Bee |
| Bombus (Melanobombus) lapidarius Linnaeus, 1758 | Large Red-tailed Bumble Bee |
| Bombus (Melanobombus) semenovianus Skorikov, 1914 | |
| Bombus (Melanobombus) simillimus Smith, 1852 | |
| Bombus (Mucidobombus) mucidus Gerstäcker, 1869 | |
| Bombus (Orientalibombus) braccatus Friese, 1905 | |
| 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) citrinus Smith, 1854 | Lemon cuckoo bumble 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) suckleyi Greene, 1860 | Suckley Cuckoo Bumble Bee |
| Bombus (Psithyrus) sylvestris Lepeletier, 1832 | Forest Cuckoo Bee |
| Bombus (Psithyrus) variabilis (Cresson, 1872) | ⇒ Bombus humilis Illiger, 1806 |
| Bombus (Pyrobombus) bifarius Cresson, 1878 | Black-notched Bumble Bee |
| Bombus bifarius bifarius | |
| Bombus bifarius nearcticus | |
| Bombus (Pyrobombus) bimaculatus Cresson, 1863 | Two-spotted Bumble Bee |
| Bombus (Pyrobombus) caliginosus Frison, 1927 | Fog-belt Bumble Bee |
| Bombus (Pyrobombus) centralis Cresson, 1864 | Central bumble bee |
| Bombus (Pyrobombus) cockerelli Franklin, 1913 | Cockerell's bumble bee |
| Bombus (Pyrobombus) ephippiatus Say, 1837 | Vegetable hummingbird |
| Bombus (Pyrobombus) flavifrons Cresson, 1863 | Yellow head bumble bee |
| Bombus (Pyrobombus) frigidus Smith, 1854 | Frigid Bumble Bee |
| Bombus (Pyrobombus) huntii Greene, 1860 | Hunt 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) lapidarius Linnaeus, 1758 | Large Red-tailed Bumble Bee |
| Bombus (Pyrobombus) lapponicus (Fabricius, 1793) | ⇒ Bombus monticola Smith, 1849 |
| Bombus (Pyrobombus) lepidus Skorikov, 1912 | |
| Bombus (Pyrobombus) melanopygus Nylander, 1848 | Black tail bumble bee |
| Bombus melanopygus edwardsii | |
| 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) rotundiceps Friese, 1916 | |
| Bombus (Pyrobombus) sandersoni Franklin, 1913 | Sanderson bumble bee |
| Bombus (Pyrobombus) sitkensis Nylander, 1848 | Sitka bumble bee |
| Bombus (Pyrobombus) sylvicola Kirby, 1837 | Forest bumble bee |
| Bombus (Pyrobombus) ternarius Say, 1837 | Orange-belted Bumble Bee |
| Bombus (Pyrobombus) vagans Smith, 1854 | Half-black bumble bee |
| Bombus vagans sandersoni (Franklin, 1913) | ⇒ Bombus sandersoni Franklin, 1913 |
| Bombus vagans vagans Smith, 1854 | |
| Bombus (Pyrobombus) vandykei Frison, 1927 | Van Dyke bumble bee |
| Bombus (Pyrobombus) vosnesenskii Radoszkowski, 1862 | Vosnesensky bumble bee |
| Bombus (Separatobombus) griseocollis (DeGeer, 1773) | ⇒ Bombus griseocollis De Geer, 1773 |
| Bombus (Separatobombus) morrisoni (Cresson, 1878) | ⇒ Bombus morrisoni Cresson, 1878 |
| Bombus (Subterraneobombus) appositus Cresson, 1878 | Mountain Bumble Bee |
| Bombus (Subterraneobombus) borealis Kirby, 1837 | Northern amber bumble bee |
| Bombus (Subterraneobombus) distinguendus Morawitz, 1869 | Great Yellow Bumble Bee |
| Bombus (Subterraneobombus) subterraneus ♰ Linnaeus, 1758 | Short-haired Bumble Bee |
| Bombus (Thoracobombus) bellicosus Smith, 1879 | Bunchberry dogwood |
| Bombus (Thoracobombus) humilis Illiger, 1806 | Brown-banded carder bee |
| Bombus (Thoracobombus) imitator Pittioni, 1949 | |
| 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 (Thoracombus) ruderarius Müller, 1776 | |
| Bombus alaskensis (Ashmead, 1902) | ⇒ Bombus flavifrons Cresson, 1863 |
| Bombus consimilis (Cresson, 1864) | ⇒ Bombus vagans Smith, 1854 |
| Bombus dimidiatus (Ashmead, 1902) | ⇒ Bombus flavifrons Cresson, 1863 |
| Bombus dubius Cresson, 1863 | |
| Bombus edwardsii (Nylander, 1848) | ⇒ Bombus melanopygus Nylander, 1848 |
| Bombus fervidas | Golden Northern Bumble Bee |
| Bombus gelidus (Cresson, 1878) | ⇒ Bombus sylvicola Kirby, 1837 |
| Bombus howardi Cresson, 1863 | |
| Bombus improbus (Cresson, 1878) | ⇒ Bombus nevadensis Cresson, 1874 |
| Bombus intrudens Smith, 1861 | |
| Bombus iridis (Cockerell & ..., 1899) | ⇒ Bombus rufocinctus Cresson, 1863 |
| Bombus juxtus (Cresson, 1878) | ⇒ Bombus centralis Cresson, 1864 |
| Bombus kincaidii Cockerell, 1898 | |
| Bombus kirbiellus (Curtis, 1835) | ⇒ Bombus balteatus Dahlbom, 1832 |
| Bombus kluanensis Williams & C..., 2016 | |
| Bombus mckayi Ashmead, 1902 | |
| Bombus mixtuosus (Ashmead, 1902) | ⇒ Bombus sitkensis Nylander, 1848 |
| Bombus monardae (Cockerell & ..., 1899) | ⇒ Bombus centralis Cresson, 1864 |
| Bombus natvigi (Richards, 1931) | ⇒ Bombus hyperboreus Schönherr, 1809 |
| Bombus nigrocinctus (Provancher, 1888) | ⇒ Bombus crotchii Cresson, 1878 |
| Bombus oregonensis (Cresson, 1878) | ⇒ Bombus sitkensis Nylander, 1848 |
| Bombus pallidus (Cresson, 1863) | ⇒ Bombus pensylvanica De Geer, 1773 |
| Bombus pauloensis Friese, 1912 | |
| Bombus pennsylvanicus (De Geer, 1773) | ⇒ Bombus pensylvanica De Geer, 1773 |
| Bombus pensylvanica De Geer, 1773 | |
| Bombus pleuralis Nylander, 1848 | |
| Bombus proavus ♰ T. D. A. Coc..., 1931 | |
| Bombus proximus (Cresson, 1863) | ⇒ Bombus terricola Kirby, 1837 |
| Bombus prunellae (Cockerell & ..., 1899) | ⇒ Bombus rufocinctus Cresson, 1863 |
| Bombus putnami (Cresson, 1878) | ⇒ Bombus balteatus Dahlbom, 1832 |
| Bombus ridingsii Cresson, 1879 | |
| Bombus rufosuffusus (Cockerell, 1905) | ⇒ Bombus huntii Greene, 1860 |
| Bombus sapporoensis Cockerell, 1911 | |
| Bombus scutellaris (Cresson, 1863) | ⇒ Bombus fraternus Smith, 1854 |
| Bombus separatus Cresson, 1863 | |
| Bombus sg | |
| Bombus strenuus Cresson, 1863 | |
| Bombus titusi Ashmead, 1902 | |
| Bombus vancouverensis (Cresson, 1878) | ⇒ Bombus bifarius Cresson, 1878 |
| Brachymelecta mucida Cresson, 1879 | |
| Cemolobus ipomoeae Robertson, 1891 | |
| Centris (Centris) adani Cockerell, 1949 | |
| Centris (Centris) aethyctera Snelling, 1974 | |
| Centris (Centris) decolorata Lepeletier, 1841 | Crazy Beach Bee |
| Centris (Centris) errans Fox, 1899 | Wandering Centris |
| Centris (Centris) inermis (Friese, 1899) | ⇒ Centris varia Erichson, 1848 |
| Centris (Centris) meaculpa Snelling, 1984 | |
| Centris (Centris) smithii Cresson, 1879 | |
| Centris (Centris) varia Erichson, 1848 | |
| Centris (Centris) versicolor Fabricius, 1775 | |
| Centris (Hemisiella) lanipes Fabricius, 1775 | |
| Centris (Heterocentris) analis Fabricius, 1804 | Hairy cockle |
| Centris (Heterocentris) nitida Smith, 1874 | Arnold's dogwood |
| Centris (Heterocentris) transversa Perez, 1905 | |
| Centris (Heterocentris) trigonoides Lepeletier, 1841 | |
| Centris (Heterocentris) vittata Lepeletier, 1841 | |
| Centris (Malacentris) atriventris (Mocsáry, 1896) | ⇒ Centris atripes Mocsáry, 1899 |
| Centris (Paracentris) aterrima Smith, 1854 | |
| Centris (Paracentris) atripes Mocsáry, 1899 | |
| Centris (Paracentris) caesalpiniae Cockerell, 1897 | |
| Centris (Paracentris) californica Timberlake, 1940 | |
| Centris (Paracentris) cockerelli Fox, 1899 | |
| Centris cockerelli resoluta (Cockerell, 1923) | ⇒ Centris cockerelli Fox, 1899 |
| Centris (Paracentris) hoffmanseggiae Cockerell, 1897 | |
| Centris (Paracentris) lanosa Cresson, 1872 | |
| Centris (Paracentris) mexicana Smith, 1854 | |
| Centris (Paracentris) nigrocaerulea Smith, 1874 | Arnold's dogwood |
| Centris (Paracentris) pallida Fox, 1899 | Pallid Bee |
| Centris (Paracentris) rhodopus Cockerell, 1897 | Red-legged Centris |
| Centris (Paracentris) tiburonensis Cockerell, 1923 | |
| Centris (Paracentris) zacateca Snelling, 1966 | |
| Centris (Penthemisia) chilensis Spinola, 1851 | |
| Centris (Trachina) dentata Smith, 1854 | |
| Centris (Trachina) fuscata Lepeletier, 1841 | |
| Centris (Wagenknechtia) cineraria Smith, 1854 | |
| Centris dimidiata Olivier, 1789 | |
| Centris dirrhoda Moure, 1960 | |
| Centris eurypatana Snelling, 1984 | |
| Centris foxi Friese, 1901 | |
| Centris marginata Fox, 1899 | |
| Centris morsei Cockerell, 1897 | |
| Centris mourei Roig-Alsina, 2000 | |
| Centris rhodomelas Timberlake, 1940 | |
| Centris rhodophus | |
| Centris rhodoprocta Moure & Seabra, 1960 | |
| Centris subhyalina Fox, 1899 | |
| Centris xochipillii Snelling, 1984 | |
| Coquillettapis melittoides Viereck, 1909 | |
| Dasiapis ochracea Cockerell, 1903 | |
| Diadasia (Coquillettapis) afflicta Cresson, 1878 | |
| Diadasia afflicta perafflicta (Cockerell, 1905) | ⇒ Diadasia afflicta Cresson, 1878 |
| Diadasia (Coquillettapis) afflictula Cockerell, 1910 | |
| Diadasia (Coquillettapis) angusticeps Timberlake, 1939 | |
| Diadasia (Coquillettapis) australis Cresson, 1878 | |
| Diadasia australis australis Cresson, 1878 | |
| Diadasia australis californica (Cresson, 1878) | ⇒ Diadasia australis Cresson, 1878 |
| Diadasia (Coquillettapis) bituberculata Cresson, 1878 | |
| Diadasia (Coquillettapis) consociata Timberlake, 1939 | |
| Diadasia (Coquillettapis) diminuta Cresson, 1878 | |
| Diadasia (Coquillettapis) laticauda Cockerell, 1905 | |
| Diadasia (Coquillettapis) lutzi Cockerell, 1924 | |
| Diadasia (Coquillettapis) martialis Timberlake, 1940 | |
| Diadasia (Coquillettapis) megamorpha Cockerell, 1898 | |
| Diadasia (Coquillettapis) nigrifrons Cresson, 1878 | |
| Diadasia (Coquillettapis) nitidifrons Cockerell, 1905 | |
| Diadasia (Coquillettapis) opuntiae Cockerell, 1901 | |
| Diadasia (Coquillettapis) palmarum Timberlake, 1940 | |
| Diadasia (Coquillettapis) piercei Cockerell, 1911 | |
| Diadasia (Coquillettapis) rinconis Cockerell, 1897 | |
| Diadasia rinconis rinconis Cockerell, 1897 | |
| Diadasia (Coquillettapis) sphaeralcearum Cockerell, 1905 | |
| Diadasia sphaeralcearum affinis (Timberlake, 1939) | ⇒ Diadasia sphaeralcearum Cockerell, 1905 |
| Diadasia (Coquillettapis) tuberculifrons Timberlake, 1939 | |
| Diadasia (Coquillettapis) vallicola Timberlake, 1940 | |
| Diadasia (Dasiapis) chilensis Spinola, 1851 | |
| Diadasia (Dasiapis) ochracea Cockerell, 1903 | Ochraceous Chimney Bee |
| Diadasia (Dasiapis) olivacea Cresson, 1878 | |
| Diadasia (Dasiapis) tropicalis Cockerell, 1918 | |
| Diadasia (Diadasia) enavata Cresson, 1872 | Sunflower Chimney Bee |
| Diadasia friesei Cockerell, 1898 | |
| Elaphropoda bembidion Lieftinck, 1966 | Cascade cave amphipod |
| Epeoloides pilosula (Cresson, 1878) | ⇒ Epeoloides pilosulus Cresson, 1878 |
| Epeoloides pilosulus Cresson, 1878 | |
| Epicharis analis Lepeletier, 1841 | |
| Epicharis maculata Smith, 1874 | Arnold's dogwood |
| Ericrocis arizonensis Baker, 1906 | |
| Ericrocis lata Cresson, 1878 | |
| Ericrocis melectoides Baker, 1906 | |
| Ericrocis pintada Snelling & Z..., 1984 | |
| Eucera (Eucera) longicornis Linnaeus, 1758 | Long-horned Bee |
| Eucera (Hetereucera) algira Brullé, 1840 | |
| Eucera (Synhalonia) actuosa Cresson, 1878 | |
| Eucera (Synhalonia) albescens Timberlake, 1969 | |
| Eucera (Synhalonia) amsinckiae Timberlake, 1969 | |
| Eucera (Synhalonia) angustifrons Timberlake, 1969 | |
| Eucera (Synhalonia) aragalli Cockerell, 1904 | |
| Eucera (Synhalonia) atriventris Smith, 1854 | |
| Eucera (Synhalonia) belfragei Cresson, 1872 | |
| Eucera (Synhalonia) birkmanniella Cockerell, 1906 | |
| Eucera californica deserticola Timberlake, 1969 | |
| Eucera (Synhalonia) chrysophila Cockerell, 1914 | |
| Eucera (Synhalonia) cordleyi Viereck, 1905 | |
| Eucera (Synhalonia) dorsata Timberlake, 1969 | |
| Eucera (Synhalonia) dubitata Cresson, 1878 | |
| Eucera (Synhalonia) edwardsii Cresson, 1878 | |
| Eucera (Synhalonia) frater Cresson, 1878 | Monk Longhorn Bee |
| Eucera frater albopilosa Fowler, 1899 | |
| Eucera frater frater Cresson, 1878 | |
| Eucera frater lata Provancher, 1888 | Monk Longhorn Bee |
| Eucera (Synhalonia) fulvitarsis Cresson, 1878 | |
| Eucera fulvitarsis annae Cockerell, 1906 | |
| Eucera fulvitarsis fulvitarsis Cresson, 1878 | |
| Eucera (Synhalonia) fulvohirta Cresson, 1878 | |
| Eucera (Synhalonia) hamata Bradley, 1942 | |
| Eucera (Synhalonia) hurdi Timberlake, 1969 | |
| Eucera (Synhalonia) lepida Cresson, 1878 | |
| Eucera (Synhalonia) lunata Timberlake, 1969 | |
| Eucera (Synhalonia) lycii Cockerell, 1897 | |
| Eucera (Synhalonia) mohavensis Timberlake, 1969 | |
| Eucera (Synhalonia) quadricincta Timberlake, 1969 | |
| Eucera (Synhalonia) rosae Robertson, 1900 | |
| Eucera (Synhalonia) speciosa Cresson, 1878 | |
| Eucera (Synhalonia) truttae Cockerell, 1905 | |
| Eucera acerba Cresson, 1879 | |
| Eucera amoena (Zavortink, 1982) | ⇒ Tetralonia amoena Walker, 1871 |
| Eucera argyrophila Cockerell, 1909 | |
| Eucera atrata Klug, 1845 | |
| Eucera bakeri Timberlake, 1973 | |
| Eucera cercidis Timberlake, 1969 | |
| Eucera chrysobotryae Cockerell, 1908 | |
| Eucera conformis Timberlake, 1969 | |
| Eucera delphinii Timberlake, 1969 | |
| Eucera distincta Lepeletier, 1841 | |
| Eucera illinoensis Robertson, 1902 | |
| Eucera lutziana Cockerell, 1933 | |
| Eucera pallidihirta Timberlake, 1969 | |
| Eucera phaceliae Cockerell, 1911 | |
| Eucera pomona Nurse, 1904 | |
| Eucera primiveris Timberlake, 1969 | |
| Eucera stretchii Cresson, 1878 | |
| Eucera territella Cockerell, 1909 | |
| Eucera texana Timberlake, 1969 | |
| Eucera tricinctella Timberlake, 1969 | |
| Eucera venusta Timberlake, 1961 | |
| Eucera virgata Cockerell, 1905 | |
| Eucera zonata Timberlake, 1969 | |
| Eufriesea chrysopyga Mocsáry, 1898 | |
| Eufriesea fallax Smith, 1854 | |
| Eufriesea macroglossa Moure, 1965 | |
| Euglossa (Euglossa) championi Cheesman, 1929 | |
| Euglossa (Euglossa) deceptrix Moure, 1968 | |
| Euglossa (Euglossa) hemichlora (Cockerell, 1917) | ⇒ Euglossa erythrochlora Moure, 1968 |
| Euglossa (Euglossa) jamaicensis Moure, 1968 | |
| Euglossa (Euglossa) purpurea Friese, 1899 | |
| Euglossa (Euglossa) variabilis (Friese, 1899) | ⇒ Euglossa purpurea Friese, 1899 |
| Euglossa (Euglossa) villosiventris Moure, 1968 | |
| Euglossa (Euglossa) viridissima Friese, 1899 | Polished Warrior Euglossa |
| Euglossa (Glossura) flammea Moure, 1969 | Alabama well amphipod |
| Euglossa (Glossura) ignita Smith, 1874 | Arnold's dogwood |
| Euglossa (Glossura) imperialis Cockerell, 1922 | |
| Euglossa (Glossurella) bursigera Moure, 1970 | |
| Euglossa (Glossurella) crassipunctata Moure, 1968 | |
| Euglossa (Glossurella) gorgonensis Cheesman, 1929 | |
| Euglossa (Glossurella) oleolucens Dressler, 1978 | |
| Euglossa (Glossurella) sapphirina Moure, 1968 | |
| Euglossa annectans Dressler, 1982 | |
| Euglossa dilemma Bembé & Eltz, 2011 | Dilemma orchid bee |
| Euglossa hyacinthina Dressler, 1982 | |
| Euglossa ultima (Moure, 1968) | ⇒ Euglossa deceptrix Moure, 1968 |
| Eulaema (Apeulaema) cingulata Fabricius, 1804 | Hairy cockle |
| Eulaema (Apeulaema) marcii Nemésio, 2009 | |
| Eulaema (Apeulaema) polychroma Mocsáry, 1899 | |
| Eulaema (Eulaema) bombiformis Packard, 1869 | |
| Eulaema (Eulaema) luteola Moure, 1967 | |
| Eulaema (Eulaema) meriana (Olivier, 1789) | ⇒ Eulaema terminata Smith, 1874 |
| Eulaema (Eulaema) seabrai (Moure, 1960) | ⇒ Eulaema bennetti Moure, 1967 |
| Eulaema (Eulaema) speciosa Mocsáry, 1897 | |
| Exaerete bilamellosa | |
| Exaerete frontalis Guérin-Ménev..., 1845 | |
| Exaerete smaragdina Guérin-Ménev..., 1845 | |
| Exomalopsis (Exomalopsis) analis Spinola, 1853 | |
| Exomalopsis (Exomalopsis) mellipes Cresson, 1878 | |
| Exomalopsis (Exomalopsis) otomita Cresson, 1878 | |
| Exomalopsis (Exomalopsis) similis Cresson, 1865 | Winged surfclam |
| Exomalopsis (Phanomalopsis) snowi Cockerell, 1906 | |
| Exomalopsis (Stilbomalopsis) birkmanni Cockerell, 1922 | |
| Exomalopsis (Stilbomalopsis) solani Cockerell, 1896 | Solanum Exomalopsis |
| Exomalopsis (Stilbomalopsis) solidaginis Cockerell, 1898 | |
| Exomalopsis albicans Provancher, 1896 | |
| Exomalopsis dimidiata Timberlake, 1980 | |
| Exomalopsis fumipennis Timberlake, 1980 | |
| Exomalopsis globosa (Fabricius, 1793) | ⇒ Exomalopsis similis Cresson, 1865 |
| Exomalopsis hurdi Timberlake, 1980 | |
| Exomalopsis nitens (Cockerell, 1915) | ⇒ Anthophorula nitens Cockerell, 1915 |
| Exomalopsis pubescens Cresson, 1865 | Winged surfclam |
| Exomalopsis tibialis Timberlake, 1980 | |
| Exomalopsis zexmeniae (Cockerell, 1912) | ⇒ Exomalopsis analis Spinola, 1853 |
| Florilegus (Florilegus) condignus Cresson, 1878 | |
| Gaesischia (Gaesischia) exul Michener, La..., 1955 | |
| Gaesischia mexicana LaBerge, 1958 | |
| Habropoda cineraria Smith, 1879 | |
| Habropoda citula Cockerell, 1929 | |
| Habropoda cressoni Dalla Torre, 1896 | |
| Habropoda cressonii Dalla Torre, 1896 | |
| Habropoda dammersi Timberlake, 1937 | |
| Habropoda depressa Fowler, 1899 | |
| Habropoda excellens Timberlake, 1962 | |
| Habropoda laboriosa Fabricius, 1804 | Blueberry Habropoda |
| Habropoda miserabilis Cresson, 1878 | |
| Habropoda morrisoni Cresson, 1878 | |
| Habropoda pallida Timberlake, 1937 | Pallid Habropoda |
| Habropoda salviarum Cockerell, 1898 | |
| Habropoda semifulva Cockerell, 1905 | |
| Habropoda tristissima Cockerell, 1904 | |
| Habropoda vierecki Cockerell, 1909 | |
| Hypotrigona gribodoi Magretti, 1884 | |
| Leiopodus singularis Linsley & Mi..., 1937 | Singular Chimney-bee-cuckoo |
| Leurotrigona pusilla Moure & Camargo, 1987 | |
| Martinapis (Martinapis) luteicornis Cockerell, 1896 | Yellow-horned Morning Long-horned Bee |
| Martinapis (Martinapis) occidentalis Zavortink & ..., 1976 | Western Morning Long-horned Bee |
| Melecta (Melecta) albifrons Forster, 1771 | Common Mourning Bee |
| Melecta (Melecta) caroli Lieftinck, 1958 | |
| Melecta (Melecta) fulgida Lieftinck, 1980 | |
| Melecta (Melecta) pacifica Cresson, 1878 | |
| Melecta pacifica atlantica Linsley, 1943 | |
| Melecta pacifica fulvida Cresson, 1878 | |
| Melecta pacifica pacifica Cresson, 1878 | |
| Melecta (Melecta) separata Cresson, 1879 | |
| Melecta separata arizonica Cockerell, 1902 | |
| Melecta separata callura Cockerell, 1926 | |
| Melecta separata johnsoni Cockerell, 1905 | |
| Melecta separata mojavensis Linsley, 1939 | |
| Melecta separata separata Cresson, 1879 | |
| Melecta (Melectomimus) edwardsii Cresson, 1878 | Edward´s Melecta |
| Melecta alexanderi Griswold & P..., 1999 | |
| Melecta bohartorum Linsley, 1939 | |
| Melecta californica (Cresson, 1878) | ⇒ Xeromelecta californica Cresson, 1878 |
| Melecta fulvida | |
| Melecta maculata Cresson, 1879 | |
| Melecta miranda Fox, 1893 | |
| Melecta mucida (Cresson, 1879) | ⇒ Brachymelecta mucida Cresson, 1879 |
| Melecta thoracica Cresson, 1875 | |
| Meliplebeia beccarii Gribodo, 1879 | |
| Melipona (Melikerria) beecheii Bennett, 1831 | |
| Melipona (Melipona) favosa Fabricius, 1798 | |
| Melipona (Melipona) quadrifasciata Lepeletier, 1836 | Stingless bee |
| Melipona (Michmelia) seminigra Friese, 1903 | |
| Melipona (Michmelia) solani Cockerell, 1912 | |
| Meliponula (Meliponula) bocandei Spinola, 1853 | |
| Melissodes (Apomelissodes) apicata Lovell & Coc..., 1906 | |
| Melissodes (Apomelissodes) fimbriata Cresson, 1878 | |
| Melissodes (Callimelissodes) ablusa Cockerell, 1926 | |
| Melissodes (Callimelissodes) coloradensis Cresson, 1878 | |
| Melissodes (Callimelissodes) composita Tucker, 1909 | |
| Melissodes (Callimelissodes) glenwoodensis Cockerell, 1905 | |
| Melissodes (Callimelissodes) lupina Cresson, 1878 | |
| Melissodes (Callimelissodes) lustra LaBerge, 1961 | |
| Melissodes (Callimelissodes) metenua Cockerell, 1924 | |
| Melissodes (Callimelissodes) nigracauda LaBerge, 1961 | |
| Melissodes (Callimelissodes) plumosa LaBerge, 1961 | |
| Melissodes (Callimelissodes) stearnsi Cockerell, 1905 | |
| Melissodes (Callimelissodes) tuckeri Cockerell, 1909 | |
| Melissodes (Ecplectica) trifasciata Cresson, 1878 | |
| Melissodes (Eumelissodes) agilis Cresson, 1878 | Agile Long-horned Bee |
| Melissodes (Eumelissodes) bicolorata LaBerge, 1961 | |
| Melissodes (Eumelissodes) bidentis Cockerell, 1914 | |
| Melissodes (Eumelissodes) bimatris LaBerge, 1961 | |
| Melissodes (Eumelissodes) boltoniae Robertson, 1905 | Subterranean clover |
| Melissodes (Eumelissodes) brevipyga LaBerge, 1961 | |
| Melissodes (Eumelissodes) confusa Cresson, 1878 | |
| Melissodes (Eumelissodes) coreopsis Robertson, 1905 | Subterranean clover |
| Melissodes (Eumelissodes) denticulata Smith, 1854 | |
| Melissodes (Eumelissodes) dentiventris Smith, 1854 | |
| Melissodes (Eumelissodes) druriella Kirby, 1802 | |
| Melissodes (Eumelissodes) elegans LaBerge, 1961 | |
| Melissodes (Eumelissodes) expolita LaBerge, 1961 | |
| Melissodes (Eumelissodes) fasciatella LaBerge, 1961 | |
| Melissodes (Eumelissodes) fumosa LaBerge, 1961 | |
| Melissodes (Eumelissodes) gelida LaBerge, 1961 | |
| Melissodes (Eumelissodes) grindeliae Cockerell, 1898 | |
| Melissodes (Eumelissodes) humilior Cockerell, 1903 | |
| Melissodes (Eumelissodes) hymenoxidis Cockerell, 1906 | |
| Melissodes (Eumelissodes) illata Lovell & Coc..., 1906 | |
| Melissodes (Eumelissodes) limbus LaBerge, 1961 | |
| Melissodes (Eumelissodes) lutulenta LaBerge, 1961 | |
| Melissodes (Eumelissodes) manipularis Smith, 1854 | |
| Melissodes (Eumelissodes) melanura Cockerell, 1916 | |
| Melissodes (Eumelissodes) menuachus Cresson, 1868 | |
| Melissodes (Eumelissodes) micheneri LaBerge, 1961 | |
| Melissodes (Eumelissodes) microsticta Cockerell, 1905 | |
| Melissodes (Eumelissodes) monoensis LaBerge, 1961 | |
| Melissodes (Eumelissodes) montana Cresson, 1878 | |
| Melissodes (Eumelissodes) moorei Cockerell, 1926 | |
| Melissodes (Eumelissodes) nivea Robertson, 1895 | |
| Melissodes (Eumelissodes) pallidisignata Cockerell, 1905 | |
| Melissodes (Eumelissodes) paulula LaBerge, 1961 | |
| Melissodes (Eumelissodes) perlusa Cockerell, 1925 | |
| Melissodes (Eumelissodes) persimilis Cockerell, 1949 | |
| Melissodes (Eumelissodes) personatella Cockerell, 1901 | |
| Melissodes (Eumelissodes) pullatella LaBerge, 1961 | |
| Melissodes (Eumelissodes) robustior Cockerell, 1915 | Robust Long-horned Bee |
| Melissodes (Eumelissodes) rufipes LaBerge, 1961 | |
| Melissodes (Eumelissodes) semilupina Cockerell, 1905 | |
| Melissodes (Eumelissodes) snowii Cresson, 1878 | |
| Melissodes (Eumelissodes) subagilis Cockerell, 1905 | |
| Melissodes (Eumelissodes) subillata LaBerge, 1961 | |
| Melissodes (Eumelissodes) submenuacha Cockerell, 1897 | |
| Melissodes (Eumelissodes) tincta LaBerge, 1961 | |
| Melissodes (Eumelissodes) trinodis Robertson, 1901 | Dark-Veined Longhorn |
| Melissodes (Eumelissodes) tristis Cockerell, 1894 | |
| Melissodes (Eumelissodes) utahensis LaBerge, 1961 | |
| Melissodes (Eumelissodes) velutina Cockerell, 1916 | |
| Melissodes (Eumelissodes) verbesinarum Cockerell, 1905 | |
| Melissodes (Eumelissodes) vernalis LaBerge, 1961 | |
| Melissodes (Eumelissodes) vernoniae Robertson, 1902 | |
| Melissodes (Eumelissodes) wheeleri Cockerell, 1906 | |
| Melissodes (Heliomelissodes) desponsa Smith, 1854 | Thistle Long-horned Bee |
| Melissodes (Heliomelissodes) rivalis Cresson, 1872 | |
| Melissodes (Melissodes) bimaculata Lepeletier, 1825 | Longhorn Bee |
| Melissodes bimaculata bimaculata Lepeletier, 1825 | |
| Melissodes bimaculata nulla LaBerge, 1956 | |
| Melissodes (Melissodes) blanda LaBerge, 1956 | |
| Melissodes (Melissodes) colliciata Cockerell, 1910 | |
| Melissodes (Melissodes) communis Cresson, 1878 | Common Long-horned Bee |
| Melissodes communis alopex Cockerell, 1928 | |
| Melissodes communis communis Cresson, 1878 | |
| Melissodes (Melissodes) comptoides Robertson, 1898 | Brown-winged Long-horned Bee |
| Melissodes (Melissodes) gilensis Cockerell, 1896 | |
| Melissodes gilensis gilensis Cockerell, 1896 | |
| Melissodes (Melissodes) maesta LaBerge, 1956 | |
| Melissodes (Melissodes) paroselae (Cockerell, 1905) | ⇒ Melissodes parosetae Cockerell, 1905 |
| Melissodes (Melissodes) tepaneca Cresson, 1878 | Tepanec Long-horned Bee |
| Melissodes (Melissodes) tepida Cresson, 1878 | |
| Melissodes tepida tepida Cresson, 1878 | |
| Melissodes tepida timberlakei Cockerell, 1926 | |
| Melissodes tepida yumensis LaBerge, 1956 | |
| Melissodes (Melissodes) tessellata LaBerge, 1956 | |
| Melissodes (Melissodes) thelypodii Cockerell, 1905 | |
| Melissodes thelypodii thelypodii Cockerell, 1905 | |
| Melissodes (Psilomelissodes) intorta Cresson, 1872 | |
| Melissodes (Tachymelissodes) dagosa Cockerell, 1909 | |
| Melissodes (Tachymelissodes) opuntiella Cockerell, 1911 | |
| Melissodes (Tachymelissodes) sphaeralceae Cockerell, 1896 | |
| Melissodes albata Cresson, 1872 | |
| Melissodes albocincta Cockerell, 1919 | |
| Melissodes apacha Cresson, 1879 | |
| Melissodes apicatus Lovell & Coc..., 1906 | Pickerelweed Long-Horned Bee |
| Melissodes appressa LaBerge, 1961 | |
| Melissodes aurigenia Cresson, 1879 | |
| Melissodes baileyi Cockerell, 1906 | |
| Melissodes belfragei Cresson, 1872 | |
| Melissodes bimaculatus Lepeletier, 1825 | Two-Spotted Long-Horned Bee |
| Melissodes bishoppi Cockerell, 1914 | |
| Melissodes blakei Cockerell, 1905 | |
| Melissodes brevicornis Cresson, 1872 | |
| Melissodes californica Cresson, 1879 | |
| Melissodes cerussata LaBerge, 1961 | |
| Melissodes chrysothamni Cockerell, 1905 | |
| Melissodes clarkiae LaBerge, 1961 | |
| Melissodes comata LaBerge, 1961 | |
| Melissodes densa Cresson, 1872 | |
| Melissodes denticulatus Smith, 1854 | Denticulate Long-Horned Bee |
| Melissodes desponsus Smith, 1854 | Thistle Long-Horned Bee |
| Melissodes dilecta Cresson, 1879 | |
| Melissodes druriellus Kirby, 1802 | Drury'S Long-Horned Bee |
| Melissodes edwardsii Cresson, 1879 | |
| Melissodes epicharis | |
| Melissodes excurrens Cockerell, 1903 | |
| Melissodes exilis LaBerge, 1961 | |
| Melissodes hexacantha Cockerell, 1905 | |
| Melissodes honesta Cresson, 1872 | |
| Melissodes hortivagans Cockerell, 1905 | |
| Melissodes hurdi LaBerge, 1961 | |
| Melissodes illatus Lovell & Coc..., 1906 | Valiant Long-Horned Bee |
| Melissodes lepida Cresson, 1879 | |
| Melissodes lustrus (LaBerge, 1961) | ⇒ Melissodes lustra LaBerge, 1961 |
| Melissodes mimica Cresson, 1869 | |
| Melissodes minuscula LaBerge, 1961 | |
| Melissodes mitchelli LaBerge, 1956 | |
| Melissodes nevadensis Cresson, 1874 | |
| Melissodes nigrosignata Cockerell, 1905 | |
| Melissodes ochraea LaBerge, 1961 | |
| Melissodes palustris Robertson, 1892 | |
| Melissodes parosetae Cockerell, 1905 | |
| Melissodes paucipuncta LaBerge, 1961 | |
| Melissodes pecosella Cockerell, 1905 | |
| Melissodes perplexa Cresson, 1879 | |
| Melissodes perpolita LaBerge, 1961 | |
| Melissodes pexa LaBerge, 1961 | |
| Melissodes pilleata LaBerge, 1961 | |
| Melissodes pimella Cockerell, 1906 | |
| Melissodes praelauta Cockerell, 1905 | |
| Melissodes pygmaea (Cresson, 1872) | ⇒ Anthophorula pygmaea Cresson, 1872 |
| Melissodes relucens LaBerge, 1961 | |
| Melissodes rustica (Say, 1837) | ⇒ Melissodes druriella Kirby, 1802 |
| Melissodes saponellus Cockerell, 1908 | |
| Melissodes semitristis Cockerell, 1905 | |
| Melissodes sila LaBerge, 1956 | |
| Melissodes sonorensis LaBerge, 1963 | |
| Melissodes strenua Cresson, 1879 | |
| Melissodes suavis Cresson, 1879 | |
| Melissodes subfragilis | |
| Melissodes subillatus LaBerge, 1961 | Vigorous Long-Horned Bee |
| Melissodes tenuitarsis Cockerell, 1905 | |
| Melissodes texana Cresson, 1872 | |
| Melissodes thurberiae Cockerell, 1914 | |
| Melissoptila tandilensis Holmberg, 1884 | Western stygobromid |
| Melitoma grisella Cockerell & ..., 1899 | |
| Melitoma marginella Cresson, 1872 | |
| Melitoma segmentaria Fabricius, 1804 | Hairy cockle |
| Melitoma taurea Say, 1837 | |
| Mesocheira bicolor Fabricius, 1804 | Hairy cockle |
| Mesoplia regalis Smith, 1854 | |
| Nannotrigona perilampoides Cresson, 1878 | |
| Nogueirapis mirandula Cockerell, 1917 | |
| Paratetrapedia (Lophopedia) apicalis Cresson, 1878 | |
| Paratetrapedia nigriceps Friese, 1899 | |
| Paratetrapedia pygmaea Schrottky, 1902 | |
| Paratrigona (Paratrigona) ornaticeps (Schwarz, 1938) | ⇒ Paratrigona guigliae Moure, 1960 |
| Paratrigona lophocoryphe Moure, 1963 | |
| Partamona (Partamona) auripennis Pedro & Camargo, 2003 | |
| Partamona (Partamona) bilineata Say, 1837 | |
| Partamona (Partamona) cupira Smith, 1863 | |
| Partamona (Partamona) musarum Cockerell, 1917 | |
| Partamona (Partamona) orizabaensis Strand, 1919 | |
| Partamona (Partamona) peckolti Friese, 1901 | |
| Peponapis (Eopeponapis) michelbacherorum Hurd & Linsley, 1964 | |
| Peponapis (Eopeponapis) utahensis Cockerell, 1905 | |
| Peponapis (Peponapis) pruinosa Say, 1837 | Eastern cucurbit bee |
| Peponapis (Xenopeponapis) crassidentata Cockerell, 1949 | |
| Peponapis (Xenopeponapis) timberlakei Hurd & Linsley, 1964 | |
| Peponapis limitaris Cockerell, 1906 | |
| Plebeia frontalis Friese, 1911 | |
| Plebeia llorentei Ayala, 1999 | |
| Plebeia poecilochroa Moure & Camargo, 1995 | |
| Plebeia pulchra Ayala, 1999 | |
| Ptilothrix bombiformis Cresson, 1878 | Hibiscus Bee |
| Ptilothrix sumichrasti Cresson, 1878 | |
| Scaptotrigona hellwegeri Friese, 1900 | |
| Scaptotrigona luteipennis Friese, 1901 | |
| Scaptotrigona pectoralis Dalla Torre, 1896 | |
| Scaptotrigona polysticta Moure, 1950 | Norton stygobromid |
| Scaura argyrea Cockerell, 1912 | |
| Simanthedon linsleyi Zavortink, 1975 | |
| Svastra (Anthedonia) compta Cresson, 1878 | |
| Svastra (Brachymelissodes) cressonii Dalla Torre, 1896 | |
| Svastra (Brachymelissodes) minima LaBerge, 1956 | |
| Svastra (Epimelissodes) aegis LaBerge, 1956 | |
| Svastra (Epimelissodes) atripes Cresson, 1872 | |
| Svastra atripes atrimitra LaBerge, 1956 | |
| Svastra atripes atripes Cresson, 1872 | |
| Svastra atripes georgica Cresson, 1878 | |
| Svastra (Epimelissodes) comanche Cresson, 1872 | |
| Svastra (Epimelissodes) grandissima Cockerell, 1905 | |
| Svastra (Epimelissodes) helianthelli Cockerell, 1905 | |
| Svastra (Epimelissodes) machaerantherae Cockerell, 1904 | |
| Svastra (Epimelissodes) obliqua Say, 1837 | Oblique Longhorn |
| Svastra obliqua caliginosa Cresson, 1878 | |
| Svastra obliqua expurgata Cockerell, 1925 | |
| Svastra obliqua obliqua Say, 1837 | |
| Svastra (Epimelissodes) petulca Cresson, 1878 | |
| Svastra petulca petulca Cresson, 1878 | |
| Svastra petulca suffusa Cresson, 1878 | |
| Svastra (Epimelissodes) sabinensis Cockerell, 1924 | |
| Svastra sabinensis laterufa Cockerell, 1934 | |
| Svastra sabinensis nubila LaBerge, 1956 | |
| Svastra sabinensis sabinensis Cockerell, 1924 | |
| Svastra (Epimelissodes) texana Cresson, 1872 | |
| Svastra texana eluta LaBerge, 1956 | |
| Svastra texana texana Cresson, 1872 | |
| Svastra (Idiomelissodes) duplocincta Cockerell, 1905 | |
| Svastra (Svastra) flavitarsis Spinola, 1851 | |
| Svastra nevadensis Cresson, 1874 | |
| Svastra pallidior LaBerge, 1963 | |
| Svastra sila LaBerge, 1956 | |
| Svastrides melanura Spinola, 1851 | |
| Synhalonia bakeri (Timberlake, 1973) | ⇒ Eucera bakeri Timberlake, 1973 |
| Synhalonia cressoniana (Cockerell, 1905) | ⇒ Tetraloniella cressoniana Cockerell, 1905 |
| Synhalonia edwardsii (Cresson, 1878) | ⇒ Eucera edwardsii Cresson, 1878 |
| Syntrichalonia exquisita Cresson, 1878 | Exquisite Long-horned Bee |
| Tetragona dorsalis Smith, 1854 | |
| Tetragona ziegleri Friese, 1900 | Stingless bee |
| Tetragonisca angustula Latreille, 1825 | |
| Tetragonula clypearis Friese, 1908 | |
| Tetragonula sapiens Cockerell, 1911 | |
| Tetralonia amoena Walker, 1871 | |
| Tetralonia atrata (Klug, 1845) | ⇒ Eucera atrata Klug, 1845 |
| Tetralonia macrognatha Gerstäcker, 1870 | |
| Tetralonia poetica Cockerell, 1914 | |
| Tetraloniella (Tetraloniella) albata Cresson, 1872 | |
| Tetraloniella (Tetraloniella) arizonica Cockerell, 1937 | |
| Tetraloniella (Tetraloniella) balluca LaBerge, 2001 | |
| Tetraloniella (Tetraloniella) cacuminis LaBerge, 2001 | |
| Tetraloniella (Tetraloniella) crenulaticornis Cockerell, 1898 | |
| Tetraloniella (Tetraloniella) davidsoni Cockerell, 1905 | |
| Tetraloniella (Tetraloniella) distata LaBerge, 2001 | |
| Tetraloniella (Tetraloniella) donata Cresson, 1878 | |
| Tetraloniella (Tetraloniella) eriocarpi Cockerell, 1898 | |
| Tetraloniella (Tetraloniella) flagellicornis Smith, 1879 | |
| Tetraloniella (Tetraloniella) helianthorum Cockerell, 1914 | |
| Tetraloniella (Tetraloniella) imitatrix Cockerell & ..., 1899 | |
| Tetraloniella (Tetraloniella) lanzarotensis Tkalcu, 1993 | |
| Tetraloniella (Tetraloniella) lippiae Cockerell, 1904 | |
| Tetraloniella (Tetraloniella) michoacanensis LaBerge, 2001 | |
| Tetraloniella (Tetraloniella) paenalbata LaBerge, 2001 | |
| Tetraloniella (Tetraloniella) perconcinna Cockerell, 1949 | |
| Tetraloniella (Tetraloniella) pomonae Cockerell, 1915 | |
| Tetraloniella (Tetraloniella) spissa Cresson, 1872 | |
| Tetraloniella (Tetraloniella) vandykei LaBerge, 2001 | |
| Tetraloniella cressoniana Cockerell, 1905 | |
| Tetraloniella incana LaBerge, 2001 | |
| Tetraloniella ochraea LaBerge, 2001 | |
| Tetraloniella pennata LaBerge, 2001 | |
| Tetraloniella sphaerabeae | |
| Tetraloniella sphaeralceae LaBerge, 2001 | |
| Tetraloniella wilmattae Cockerell, 1917 | |
| Thygater chaetaspis Moure, 1941 | |
| Thyreus abbottii Swainson, 1821 | |
| Thyreus caeruleopunctatus Blanchard, 1840 | Chequered cuckoo bee |
| Thyreus calceatus Vachal, 1903 | |
| Thyreus nitidulus Fabricius, 1804 | Hairy cockle |
| Thyreus sphenophorus Lieftinck, 1962 | |
| Toromelissa nemaglossa Toro & Ruz, 1969 | |
| Trigona (Axestotrigona) tescorum (Cockerell, 1910) | ⇒ Axestotrigona ferruginea Lepeletier, 1836 |
| Trigona corvina Cockerell, 1913 | |
| Trigona fulviventris (Guérin-Ménev..., 1845) | ⇒ Trigona braueri Friese, 1900 |
| Trigona musarum Cockerell, 1917 | |
| Trigona necrophaga Camargo & Ro..., 1991 | |
| Trigona nigerrima Cresson, 1878 | |
| Trigona prisca Michener & G..., 1988 | |
| Trigona silvestriana Vachal, 1908 | |
| Trigona spinipes Fabricius, 1793 | |
| Trigonisca (Trigonisca) mixteca Ayala, 1999 | |
| Trigonisca (Trigonisca) pipioli Ayala, 1999 | |
| Trigonisca longicornis Friese, 1903 | |
| Xenoglossa (Euxenoglossa) kansensis Cockerell, 1905 | Kansas Squash Bee |
| Xenoglossa (Euxenoglossa) strenua Cresson, 1878 | |
| Xenoglossa (Xenoglossa) angustior Cockerell, 1899 | |
| Xenoglossa (Xenoglossa) gabbii Cresson, 1878 | |
| Xenoglossa (Xenoglossa) patricia Cockerell, 1896 | |
| Xenoglossa mustelina Fox, 1893 | |
| Xenoglossa spriuna | |
| Xeromelecta (Melectomorpha) californica Cresson, 1878 | California Xeromelecta |
| Xeromelecta (Melectomorpha) interrupta Cresson, 1872 | Interrupted Xeromelecta |
| Xeromelecta (Nesomelecta) tibialis Fabricius, 1793 | |
| Xeromelecta (Xeromelecta) larreae Cockerell, 1900 | Larrea Xeromelecta |
| Zacosmia maculata Cresson, 1879 | |
| Zacosmia maculata desertorum Cockerell, 1916 | |
| Zacosmia maculata maculata Cresson, 1879 | |
