| Agapostemon (Agapostemon) sericeus Förster, 1771 | Silky Agapostemon |
| Agapostemon (Agapostemon) splendens Lepeletier, 1841 | Brown-Winged Striped Sweat Bee |
| Agapostemon (Agapostemon) texanus Cresson, 1872 | Green sweat bee |
| Agapostemon (Agapostemon) virescens Fabricius, 1775 | Bicolored Agapostemon |
| Ammophila arvensis (Lepeletier d..., 1845) | ⇒ Ammophila aphrodite Menke, 1964 |
| Ammophila harti Fernald, 1931 | |
| Ammophila nigricans Dahlbom, 1843 | |
| Ammophila pictipennis Walsh, 1869 | |
| Ammophila placida F. Smith, 1856 | |
| Ammophila procera Dahlbom, 1843 | Common Thread Waisted Wasp |
| Ammophila urnaria (Dahlbom, 1843) | ⇒ Ammophila aberti Haldeman, 1852 |
| Andrena (Andrena) carolina Viereck, 1909 | Carolina Miner Bee |
| Andrena (Andrena) milwaukeensis Graenicher, 1903 | Milwaukee Andrena |
| Andrena (Andrena) thaspii Graenicher, 1903 | Parsnip Miner Bee |
| Andrena (Andrena) tridens Robertson, 1902 | Trident Miner Bee |
| Andrena (Callandrena) braccata Viereck, 1907 | |
| Andrena (Callandrena) helianthi Robertson, 1891 | Sunflower Andrena |
| Andrena (Callandrena) simplex Smith, 1853 | Simple Miner Bee |
| Andrena (Cnemidandrena) hirticincta Provancher, 1888 | Freckled milkvetch |
| Andrena (Cnemidandrena) nubecula Smith, 1853 | Cloudy-Winged Mining Bee |
| Andrena (Cnemidandrena) runcinatae Cockerell, 1906 | |
| Andrena (Euandrena) algida Smith, 1853 | Icy Miner Bee |
| Andrena (Gonandrena) fragilis Smith, 1853 | Fragile Dogwood Andrena |
| Andrena (Holandrena) cressonii Robertson, 1891 | Cresson'S Mining Bee |
| Andrena (Larandrena) miserabilis Cresson, 1872 | Mining bee |
| Andrena (Leucandrena) barbilabris Kirby, 1802 | Long-lipped Andrena |
| Andrena (Melandrena) carlini Cockerell, 1901 | Carlin'S Mining Bee |
| Andrena (Melandrena) commoda Smith, 1879 | Advantaged Miner Bee |
| Andrena (Melandrena) dunningi Cockerell, 1898 | Dunning'S Miner |
| Andrena (Melandrena) hilaris Smith, 1853 | Stout tagelus |
| Andrena (Melandrena) pruni Robertson, 1891 | Cherry Mining Bee |
| Andrena (Melandrena) regularis Malloch, 1917 | Regular Andrena |
| Andrena (Melandrena) vicina Smith, 1853 | Neighborly Andrena |
| Andrena (Plastandrena) crataegi Robertson, 1893 | Hawthorn Andrena |
| Andrena (Pterandrena) placata Mitchell, 1960 | Peaceful Miner Bee |
| Andrena (Rhacandrena) brevipalpis Cockerell, 1930 | Short-Tongued Miner Bee |
| Andrena (Scrapteropsis) imitatrix Cresson, 1872 | Imitator Miner Bee |
| Andrena (Simandrena) nasonii Robertson, 1895 | Nason'S Mining Bee |
| Andrena (Taeniandrena) wilkella Kirby, 1802 | Andrenine Bee |
| Andrena (Trachandrena) forbesii Robertson, 1891 | Forbes' Mining Bee |
| Andrena (Trachandrena) hippotes Robertson, 1895 | Hippotes'S Miner Bee |
| Andrena (Trachandrena) nuda Robertson, 1891 | Nude Andrena |
| Andrena (Trachandrena) rugosa Robertson, 1891 | Rugose Andrena |
| Andrena (Trachandrena) sigmundi Cockerell, 1902 | Sigmund'S Mining Bee |
| Andrena (Trachandrena) virginiana Mitchell, 1960 | Virginia Andrena |
| Andrena (Tylandrena) erythrogaster Ashmead, 1890 | Red-tailed Andrena |
| Andrena (Tylandrena) perplexa Smith, 1853 | Perplexed Miner Bee |
| Anthidiellum (Loyolanthidium) notatum Latreille, 1809 | Cancellate semele |
| Anthidium (Proanthidium) oblongatum Illiger, 1806 | Oblong wool carder bee |
| Anthophora (Clisodon) terminalis Cresson, 1869 | Orange-Tipped Wood-Digger Bee |
| Apis (Apis) mellifera Linnaeus, 1758 | Drone-Bee |
| Augochlora (Augochlora) pura Say, 1837 | Augochlora Sweat Bee |
| Augochlorella aurata Smith, 1853 | Golden Sweat Bee |
| Augochlorella gratiosa Smith, 1853 | Neighbor tagelus |
| Augochloropsis (Paraugochloropsis) metallica Fabricius, 1793 | Green Metallic Sweat Bee |
| Bembix americana Fabricius, 1793 | American Sand Wasp |
| Bombus (Bombus) affinis Cresson, 1863 | Rusty patch bumble bee |
| Bombus (Bombus) terricola Kirby, 1837 | Yellow-banded Bumble Bee |
| Bombus (Cullumanobombus) rufocinctus Cresson, 1863 | Red-belted Bumble Bee |
| Bombus (Fervidobombus) fervidus Fabricius, 1798 | Golden Northern Bumble Bee |
| Bombus (Fervidobombus) pensylvanicus De Geer, 1773 | American bumble bee |
| Bombus (Psithyrus) ashtoni Cresson, 1864 | Ashton cuckoo bumble bee |
| Bombus (Psithyrus) citrinus Smith, 1854 | Lemon cuckoo bumble bee |
| Bombus (Psithyrus) fernaldae (Franklin, 1911) | ⇒ Bombus flavidus Eversmann, 1852 |
| Bombus (Pyrobombus) bimaculatus Cresson, 1863 | Two-spotted Bumble Bee |
| Bombus (Pyrobombus) huntii Greene, 1860 | Hunt bumble bee |
| Bombus (Pyrobombus) impatiens Cresson, 1863 | Common eastern bumble bee |
| Bombus (Pyrobombus) perplexus (Cresson, 1863) | ⇒ Bombus soroeensis Fabricius, 1776 |
| Bombus (Pyrobombus) sandersoni Franklin, 1913 | Sanderson bumble bee |
| Bombus (Pyrobombus) ternarius Say, 1837 | Orange-belted Bumble Bee |
| Bombus (Pyrobombus) vagans Smith, 1854 | Half-black bumble bee |
| Bombus (Separatobombus) griseocollis (DeGeer, 1773) | ⇒ Bombus griseocollis De Geer, 1773 |
| Bombus (Subterraneobombus) borealis Kirby, 1837 | Northern amber bumble bee |
| Calliopsis (Calliopsis) andreniformis Smith, 1853 | Eastern Calliopsis Bee |
| Ceratina (Zadontomerus) calcarata Robertson, 1900 | Spurred Carpenter Bee |
| Ceratina (Zadontomerus) dupla (Say, 1837) | ⇒ Ceratina floridana Mitchell, 1962 |
| Ceratina (Zadontomerus) strenua Smith, 1879 | Bunchberry dogwood |
| Ceratina mikmaqi Rehan & Shef..., 2011 | Mikmaq Little Carpenter Bee |
| Cerceris fumipennis Say, 1837 | Smokey winged beetle bandit wasp |
| Chalybion californicum Saussure, 1867 | Blue mud dauber |
| Chelostoma (Prochelostoma) philadelphi Robertson, 1891 | Mock-Orange Scissor Bee |
| Chlorion aerarium Patton, 1879 | Aphid Wasp |
| Coelioxys (Acrocoelioxys) producta Cresson, 1865 | |
| Coelioxys (Boreocoelioxys) octodentata Say, 1824 | Eight-toothed Cuckoo-leaf-cutter |
| Coelioxys (Boreocoelioxys) sayi Robertson, 1897 | Say'S Cuckoo Leaf-Cutter Bee |
| Colletes americanus Cresson, 1868 | American Cellophane Bee |
| Colletes compactus Cresson, 1868 | Aster Cellophane Bee |
| Colletes inaequalis Say, 1837 | Polyester bee |
| Colletes simulans Cresson, 1868 | Spine-Shouldered Cellophane Bee |
| Colletes validus Cresson, 1868 | Blueberry Cellophane Bee |
| Crabro tumidus Packard, 1867 | |
| Crossocerus (Crossocerus) elongatulus Vander Linden, 1829 | Slender Digger Wasp |
| Dufourea novaeangliae Robertson, 1897 | Pickerelweed Shortface |
| Ectemnius (Hypocrabro) continuus Fabricius, 1804 | Common Ectemnius |
| Elaphropoda bembidion Lieftinck, 1966 | Cascade cave amphipod |
| Epeolus scutellaris Say, 1824 | Notch-Backed Cellophane-Cuckoo Bee |
| Epinysson tramosericus Viereck, 1904 | |
| Eremnophila aureonotata Cameron, 1888 | Common Thread-waisted Wasp |
| Eucerceris zonata Say, 1823 | |
| Halictus (Monilapis) confusus Smith, 1853 | Confusing Furrow Bee |
| Halictus (Nealictus) parallelus Say, 1837 | Parallel-Striped Sweat Bee |
| Halictus (Odontalictus) ligatus Say, 1837 | Ligated Furrow Bee |
| Halictus (Protohalictus) rubicundus (Christ, 1791) | ⇒ Halictus rubicundus Christ, 1791 |
| Halictus 4-maculatus | |
| Halictus arcuatus Robertson, 1893 | |
| Halictus tegularis Robertson, 1890 | |
| Heriades (Neotrypetes) carinatus Cresson, 1864 | |
| Hoplitis (Alcidamea) truncata Cresson, 1878 | Truncate Small-Mason |
| Hylaeus (Cephalylaeus) basalis Smith, 1853 | Basal Masked Bee |
| Hylaeus (Hylaeus) mesillae Cockerell, 1896 | Mesilla Masked Bee |
| Hylaeus (Prosopis) affinis Smith, 1853 | Eastern Masked Bee |
| Hylaeus (Prosopis) modestus Say, 1837 | Modest Masked Bee |
| Lasioglossum (Dialictus) admirandum Sandhouse, 1924 | Admirable Sweat Bee |
| Lasioglossum (Dialictus) albipenne Robertson, 1890 | White-winged Dialictus |
| Lasioglossum (Dialictus) anomalum Rayment, 1935 | Anomalous Dialictus |
| Lasioglossum (Dialictus) coeruleum Robertson, 1893 | Deep-Blue Sweat Bee |
| Lasioglossum (Dialictus) cressonii Robertson, 1890 | Cresson'S Dialictus |
| Lasioglossum (Dialictus) heterognathum Mitchell, 1960 | Wide-Mouthed Sweat Bee |
| Lasioglossum (Dialictus) imitatum Smith, 1853 | Bristle Sweat Bee |
| Lasioglossum (Dialictus) laevissimum Smith, 1853 | Neighbor tagelus |
| Lasioglossum (Dialictus) leucocomum Lovell, 1908 | |
| Lasioglossum (Dialictus) lineatulum Crawford, 1906 | Lineated Metallic Sweat Bee |
| Lasioglossum (Dialictus) nymphaearum (Robertson, 1895) | ⇒ Lasioglossum oceanicum Cockerell, 1916 |
| Lasioglossum (Dialictus) oblongum Lovell, 1905 | Oblong Sweat Bee |
| Lasioglossum (Dialictus) perpunctatum Ellis, 1913 | Densely Punctured Sweat Bee |
| Lasioglossum (Dialictus) pilosum Smith, 1853 | Hairy Metallic-Sweat Bee |
| Lasioglossum (Dialictus) rohweri Ellis, 1915 | |
| Lasioglossum (Dialictus) smilacinae Robertson, 1897 | Mayflower Sweat Bee |
| Lasioglossum (Dialictus) tegulare Robertson, 1890 | Epaulette Metallic Sweat Bee |
| Lasioglossum (Dialictus) versans Lovell, 1905 | Dull Metallic-Sweat Bee |
| Lasioglossum (Dialictus) versatum Robertson, 1902 | Experienced Sweat Bee |
| Lasioglossum (Dialictus) vierecki Crawford, 1904 | Viereck'S Sweat Bee |
| Lasioglossum (Dialictus) zephyrum Smith, 1853 | Zephyr Dialictus |
| Lasioglossum (Evylaeus) nelumbonis Robertson, 1890 | Water-Lily Sweat Bee |
| Lasioglossum (Evylaeus) quebecense Crawford, 1907 | Quebec Sweat Bee |
| Lasioglossum (Homalictus) viridiscitum Cockerell, 1911 | |
| Lasioglossum (Lasioglossum) coriaceum Smith, 1853 | Leathery Sweat Bee |
| Lasioglossum (Lasioglossum) forbesii Robertson, 1890 | |
| Lasioglossum (Lasioglossum) fuscipenne Smith, 1853 | Brown-Winged Sweat Bee |
| Lasioglossum (Lasioglossum) leucozonium Schrank, 1781 | Sweat Bee |
| Lasioglossum (Sphecodogastra) obscuratum Moravitz, 1876 | |
| Lasioglossum foxii Robertson, 1895 | Fox'S Sweat Bee |
| Lasioglossum lasioglossum Strand, 1913 | |
| Lyroda subita Say, 1837 | Vegetable hummingbird |
| Megachile (Chelostomoides) campanulae Robertson, 1903 | Bellflower resin bee |
| Megachile (Litomegachile) brevis (Say, 1837) | ⇒ Megachile pseudobrevis Mitchell, 1934 |
| Megachile (Litomegachile) mendica Cresson, 1878 | Flat-tailed Leaf-cutter Bee |
| Megachile (Litomegachile) texana Cresson, 1878 | Texas Leaf-cutter Bee |
| Megachile (Megachile) centuncularis Linnaeus, 1758 | Common leaf-cutter bee |
| Megachile (Megachile) relativa Cresson, 1878 | Golden-Tailed Leafcutter |
| Megachile (Neoeutrichaea) rotundata Fabricius, 1793 | Alfalfa leaf-cutter bee |
| Megachile (Sayapis) frugalis Cresson, 1872 | |
| Megachile (Xanthosarus) addenda Cresson, 1878 | Cranberry Leafcutter |
| Megachile (Xanthosarus) gemula Cresson, 1878 | Small-handed Leaf-cutter Bee |
| Megachile (Xanthosarus) latimanus Say, 1823 | Broad-handed Leaf-cutter Bee |
| Melissodes (Eumelissodes) agilis Cresson, 1878 | Agile Long-horned Bee |
| Melissodes (Eumelissodes) denticulata Smith, 1854 | |
| Melissodes (Eumelissodes) subillata LaBerge, 1961 | |
| Melissodes (Heliomelissodes) desponsa Smith, 1854 | Thistle Long-horned Bee |
| Melissodes (Melissodes) bimaculata Lepeletier, 1825 | Longhorn Bee |
| Nomada articulata Smith, 1854 | Articulated Nomad |
| Nomada cressonii Morawitz, 1877 | Cresson'S Nomad |
| Nomada cuneata Robertson, 1903 | Cuneate Cuckoo Nomad Bee |
| Nomada luteola Olivier, 1811 | Littleleaf mockorange |
| Nysson aequalis Patton, 1879 | |
| Osmia (Melanosmia) atriventris Cresson, 1864 | Maine blueberry bee |
| Osmia (Melanosmia) bucephala Cresson, 1864 | Bufflehead Mason Bee |
| Osmia (Melanosmia) pumila Cresson, 1864 | Dwarf Mason Bee |
| Osmia (Melanosmia) simillima Smith, 1853 | Similar Mason Bee |
| Osmia (Osmia) lignaria Say, 1837 | Blue orchard bee |
| Oxybelus uniglumis Linnaeus, 1758 | Common Spiny Digger Wasp |
| Pemphredon (Cemonus) lethifer (Shuckard, 1837) | ⇒ Pemphredon rugifera Dahlbom, 1845 |
| Peponapis (Peponapis) pruinosa Say, 1837 | Eastern cucurbit bee |
| Philanthus bilunatus Cresson, 1865 | Two Moons Beewolf |
| Pseudopanurgus (Pterosarus) andrenoides Smith, 1853 | Eastern Bare-Miner |
| Pseudopanurgus compositarum Robertson, 1893 | |
| Sceliphron (Sceliphron) caementarium (Drury, 1773) | ⇒ Chalybion ammophiloides Hensen, 1988 |
| Sphecius speciosus Drury, 1773 | Cicada hawk |
| Sphecodes johnsonii Lovell, 1909 | Johnson'S Blood Bee |
| Sphex ichneumoneus Linnaeus, 1758 | Great Golden Digger |
| Sphex pensylvanicus Linnaeus, 1763 | Chaparral bushmallow |
| Tachytes aurulentus Fabricius, 1804 | Hairy cockle |
| Tachytes harpax Patton, 1881 | |
| Triepeolus pectoralis Robertson, 1897 | Goldenrod Longhorn-Cuckoo Bee |
| Xylocopa (Xylocopoides) virginica Linnaeus, 1771 | Carpenter bee |
