| Acanthomyops interjectus Mayr, 1866 | Larger yellow ant |
| 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 |
| Agapostemon radiatus (Say, 1837) | ⇒ Agapostemon sericeus Förster, 1771 |
| Andrena (Andrena) mandibularis Robertson, 1892 | Creeping clover |
| Andrena (Callandrena) accepta Viereck, 1916 | |
| Andrena (Callandrena) asteris Robertson, 1891 | Aster Andrena |
| Andrena (Callandrena) haynesi Viereck & Co..., 1914 | Haynes Andrena |
| Andrena (Callandrena) helianthi Robertson, 1891 | Sunflower Andrena |
| Andrena (Callandrena) rudbeckiae Robertson, 1891 | Rudbeckia Andrena |
| Andrena (Callandrena) simplex Smith, 1853 | Simple Miner Bee |
| Andrena (Gonandrena) platyparia Robertson, 1895 | Plated Miner Bee |
| 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 (Leucandrena) erythronii Robertson, 1891 | Trout-lily Andrena |
| Andrena (Leucandrena) flexa Malloch, 1917 | |
| Andrena (Melandrena) carlini Cockerell, 1901 | Carlin'S Mining Bee |
| Andrena (Melandrena) commoda Smith, 1879 | Advantaged Miner Bee |
| Andrena (Melandrena) illini Bouseman & L..., 1979 | |
| Andrena (Melandrena) regularis Malloch, 1917 | Regular Andrena |
| Andrena (Micrandrena) illinoiensis Robertson, 1891 | |
| Andrena (Micrandrena) nigrae Robertson, 1905 | Black Miner Bee |
| Andrena (Micrandrena) personata Robertson, 1897 | |
| Andrena (Micrandrena) ziziae Robertson, 1891 | Golden-Alexanders Andrena |
| Andrena (Notandrena) nothoscordi Robertson, 1897 | |
| Andrena (Parandrena) andrenoides Cresson, 1878 | |
| Andrena (Plastandrena) crataegi Robertson, 1893 | Hawthorn Andrena |
| Andrena (Ptilandrena) distans Provancher, 1888 | Cranesbill Miner |
| Andrena (Ptilandrena) erigeniae Robertson, 1891 | Spring Beauty Andrena |
| 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 (Trachandrena) forbesii Robertson, 1891 | Forbes' Mining Bee |
| Andrena (Trachandrena) heraclei Robertson, 1897 | |
| Andrena (Trachandrena) hippotes Robertson, 1895 | Hippotes'S Miner Bee |
| Andrena (Trachandrena) nuda Robertson, 1891 | Nude Andrena |
| Andrena (Trachandrena) quintilis Robertson, 1898 | |
| Andrena (Tylandrena) erythrogaster Ashmead, 1890 | Red-tailed Andrena |
| Anthophora (Melea) abrupta Say, 1837 | Vegetable hummingbird |
| Anthophora (Mystacanthophora) walshii Cresson, 1869 | Walsh´s Anthophora |
| Apis (Apis) mellifera Linnaeus, 1758 | Drone-Bee |
| Astata bicolor Say, 1823 | |
| Augochlora (Augochlora) pura Say, 1837 | Augochlora Sweat Bee |
| Augochlorella aurata Smith, 1853 | Golden Sweat Bee |
| Augochlorella persimilis Viereck, 1910 | |
| Augochloropsis (Paraugochloropsis) metallica Fabricius, 1793 | Green Metallic Sweat Bee |
| Augochloropsis sumptuosa Smith, 1853 | Neighbor tagelus |
| Bicyrtes quadrifasciatus Say, 1824 | Four-Banded Stink Bug Hunter Wasp |
| Bombus (Bombias) auricomus Robertson, 1903 | Black and gold bumble bee |
| Bombus (Fervidobombus) fervidus Fabricius, 1798 | Golden Northern Bumble Bee |
| Bombus (Fervidobombus) pensylvanicus De Geer, 1773 | American bumble bee |
| Bombus (Fraternobombus) fraternus Smith, 1854 | Southern plains bumble bee |
| Bombus (Psithyrus) variabilis (Cresson, 1872) | ⇒ Bombus humilis Illiger, 1806 |
| Bombus (Pyrobombus) bimaculatus Cresson, 1863 | Two-spotted Bumble Bee |
| Bombus (Pyrobombus) impatiens Cresson, 1863 | Common eastern 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 |
| Calliopsis nebraskensis Crawford, 1902 | |
| Ceratina (Zadontomerus) calcarata Robertson, 1900 | Spurred Carpenter Bee |
| Ceratina (Zadontomerus) dupla (Say, 1837) | ⇒ Ceratina floridana Mitchell, 1962 |
| Chelostoma (Prochelostoma) philadelphi Robertson, 1891 | Mock-Orange Scissor Bee |
| Chrysis iris Christ, 1791 | |
| Chrysis venustella Bohart, 1964 | |
| Coelioxys (Boreocoelioxys) octodentata Say, 1824 | Eight-toothed Cuckoo-leaf-cutter |
| Coelioxys (Boreocoelioxys) sayi Robertson, 1897 | Say'S Cuckoo Leaf-Cutter Bee |
| Coelioxys (Cyrtocoelioxys) hunteri Crawford, 1914 | Hunter´s Cuckoo-leaf-cutter |
| Coelioxys (Cyrtocoelioxys) modesta Smith, 1854 | Modest Cuckoo-leaf-cutter |
| Colletes americanus Cresson, 1868 | American Cellophane Bee |
| Colletes eulophi Robertson, 1891 | |
| Colletes inaequalis Say, 1837 | Polyester bee |
| Colletes nudus Robertson, 1898 | |
| Crematogaster (Crematogaster) cerasi Fitch, 1855 | |
| Dieunomia (Dieunomia) heteropoda Say, 1824 | Black-and-yellow cuthona |
| Dieunomia (Epinomia) triangulifera Vachal, 1897 | |
| Dissomphalus kansanus Evans, 1954 | |
| Dufourea marginata Cresson, 1878 | |
| Elaphropoda bembidion Lieftinck, 1966 | Cascade cave amphipod |
| Epeolus bifasciatus Cresson, 1864 | Two-Banded Cellophane-Cuckoo |
| Epeolus canadensis Mitchell, 1962 | Canadian Cellophane-Cuckoo Bee |
| Epeolus pusillus Cresson, 1864 | Dwarf Cellophane-Cuckoo Bee |
| Eucera (Synhalonia) hamata Bradley, 1942 | |
| Eucera (Synhalonia) rosae Robertson, 1900 | |
| Florilegus (Florilegus) condignus Cresson, 1878 | |
| Formica biophilica Trager, 2007 | |
| 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 |
| Heriades (Neotrypetes) carinatus Cresson, 1864 | |
| Heriades (Neotrypetes) variolosus (Cresson, 1872) | ⇒ Heriades variolosa Cresson, 1872 |
| Hesperapis (Carinapis) carinata Stevens, 1919 | |
| Holcopasites calliopsidis Linsley, 1943 | Calliopsis Cuckoo Nomad Bee |
| Holopyga ventralis | |
| Hoplitis (Alcidamea) pilosifrons Cresson, 1864 | Hairy-Fronted Small-Mason |
| Hylaeus (Prosopis) affinis Smith, 1853 | Eastern Masked Bee |
| Hylaeus (Prosopis) modestus Say, 1837 | Modest Masked Bee |
| Lasioglossum (Dialictus) bruneri Crawford, 1902 | Bruner'S Sweat Bee |
| Lasioglossum (Dialictus) coeruleum Robertson, 1893 | Deep-Blue Sweat Bee |
| Lasioglossum (Dialictus) coreopsis Robertson, 1902 | |
| Lasioglossum (Dialictus) cressonii Robertson, 1890 | Cresson'S Dialictus |
| Lasioglossum (Dialictus) illinoense Robertson, 1892 | |
| Lasioglossum (Dialictus) imitatum Smith, 1853 | Bristle Sweat Bee |
| Lasioglossum (Dialictus) laevissimum Smith, 1853 | Neighbor tagelus |
| Lasioglossum (Dialictus) pictum Crawford, 1902 | |
| Lasioglossum (Dialictus) pilosum Smith, 1853 | Hairy Metallic-Sweat Bee |
| Lasioglossum (Dialictus) versatum Robertson, 1902 | Experienced Sweat Bee |
| Lasioglossum (Dialictus) zephyrum Smith, 1853 | Zephyr Dialictus |
| Lasioglossum (Lasioglossum) coriaceum Smith, 1853 | Leathery Sweat Bee |
| Lasioglossum (Lasioglossum) forbesii Robertson, 1890 | |
| Lasioglossum (Lasioglossum) paraforbesii McGinley, 1986 | |
| Lasioglossum ellisiae Sandhouse, 1924 | Ellis'S Sweat Bee |
| Lasioglossum lasioglossum Strand, 1913 | |
| Leptothorax (Dichthorax) pergandei (Emery, 1895) | ⇒ Temnothorax pergandei Emery, 1895 |
| Macropis (Macropis) steironematis Robertson, 1891 | |
| Megachile (Argyropile) parallela Smith, 1853 | Parallel Leaf-cutter Bee |
| Megachile (Eutricharaea) concinna Smith, 1853 | Elegant leaf-cutter bee |
| Megachile (Leptorachis) petulans Cresson, 1878 | Petulant Leaf-cutter 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) montivaga Cresson, 1878 | Silver-tailed Petal-cutter Bee |
| Megachile (Neoeutrichaea) rotundata Fabricius, 1793 | Alfalfa leaf-cutter bee |
| Megachile (Sayapis) inimica Cresson, 1872 | Hostile Leaf-cutter Bee |
| Megachile (Sayapis) policaris Say, 1831 | |
| Megachile (Xanthosarus) addenda Cresson, 1878 | Cranberry Leafcutter |
| Megachile (Xanthosarus) fortis Cresson, 1872 | |
| Melissodes (Callimelissodes) coloradensis Cresson, 1878 | |
| Melissodes (Eumelissodes) agilis Cresson, 1878 | Agile Long-horned Bee |
| Melissodes (Eumelissodes) boltoniae Robertson, 1905 | Subterranean clover |
| Melissodes (Eumelissodes) coreopsis Robertson, 1905 | Subterranean clover |
| Melissodes (Eumelissodes) denticulata Smith, 1854 | |
| Melissodes (Eumelissodes) dentiventris Smith, 1854 | |
| Melissodes (Eumelissodes) menuachus Cresson, 1868 | |
| Melissodes (Eumelissodes) trinodis Robertson, 1901 | Dark-Veined Longhorn |
| Melissodes (Eumelissodes) vernoniae Robertson, 1902 | |
| Melissodes (Heliomelissodes) desponsa Smith, 1854 | Thistle Long-horned Bee |
| Melissodes (Melissodes) bimaculata Lepeletier, 1825 | Longhorn Bee |
| Melissodes (Melissodes) comptoides Robertson, 1898 | Brown-winged Long-horned Bee |
| Melissodes (Melissodes) tepaneca Cresson, 1878 | Tepanec Long-horned Bee |
| Microbembex monodonta Say, 1824 | |
| Myrmecina americana Emery, 1895 | Turgid blossom |
| Myrmica americana Weber, 1939 | |
| Nomada (Nomada) denticulata Robertson, 1902 | Denticulate Nomad |
| Nomada articulata Smith, 1854 | Articulated Nomad |
| Nomada bethunei Cockerell, 1903 | Bethune'S Cuckoo Nomad Bee |
| Nomada cressonii Morawitz, 1877 | Cresson'S Nomad |
| Olixon banksii Brues, 1922 | |
| Osmia (Diceratosmia) conjuncta Cresson, 1864 | |
| Osmia (Melanosmia) pumila Cresson, 1864 | Dwarf Mason Bee |
| Osmia (Osmia) lignaria Say, 1837 | Blue orchard bee |
| Oxybelus emarginatus Say, 1837 | Vegetable hummingbird |
| Oxybelus packardii Robertson, 1889 | |
| Oxybelus subulatus Robertson, 1889 | |
| Peponapis (Peponapis) pruinosa Say, 1837 | Eastern cucurbit bee |
| Perdita (Cockerellia) albipennis Cresson, 1868 | White-winged Perdita |
| Perdita (Perdita) halictoides Smith, 1853 | Ground-Cherry Mining Bee |
| Perdita (Perdita) octomaculata Say, 1824 | Eight-Spotted Miner Bee |
| Polistes (Aphanilopterus) annularis Linnaeus, 1763 | Jack Spaniard Wasp |
| Polistes (Aphanilopterus) exclamans Viereck, 1906 | Paper wasp |
| Polistes (Aphanilopterus) fuscatus Fabricius, 1793 | Dark Paper Wasp |
| Polistes (Aphanilopterus) metricus Say, 1831 | Metric Paper Wasp |
| Ponera pennsylvanica Buckley, 1866 | Pennsylvania Ponera |
| Prenolepis imparis Say, 1836 | False Honey Ant |
| Priocnessus nebulosus Dahlbom, 1843 | |
| Protandrena bancrofti Dunning, 1897 | |
| Pseudomalus purpuratus Provancher, 1881 | |
| Pseudopanurgus (Pseudopanurgus) rugosus Robertson, 1895 | |
| Pseudopanurgus (Pterosarus) albitarsis Cresson, 1872 | |
| Pseudopanurgus (Pterosarus) labrosus Robertson, 1895 | |
| Pseudopanurgus (Pterosarus) rudbeckiae Robertson, 1895 | |
| Pseudopanurgus illinoiensis Cresson, 1878 | |
| Pseudopanurgus solidaginis Robertson, 1893 | |
| Ptilothrix bombiformis Cresson, 1878 | Hibiscus Bee |
| Sphecius speciosus Drury, 1773 | Cicada hawk |
| Sphecodes atlantis Mitchell, 1956 | Atlantic Cuckoo Sweat Bee |
| Sphecodes clematidis Robertson, 1897 | Clematis Cuckoo Sweat Bee |
| Sphecodes illinoensis Robertson, 1903 | Illinois Cuckoo Sweat Bee |
| Sphecodes minor Robertson, 1898 | Minor Cuckoo Sweat Bee |
| Sphecodes prosphorus Lovell & Coc..., 1907 | Black-Tipped Cuckoo Sweat Bee |
| Sphecodes ranunculi Robertson, 1897 | Buttercup Cuckoo Sweat Bee |
| Stelis (Stelidium) ashmeadiella | |
| Stelis (Stelis) lateralis Cresson, 1864 | Spot-Sided Dark Bee |
| Stenodyneriellus heterospilus Cameron, 1907 | |
| Stictia carolina Fabricius, 1793 | Horse guard wasp |
| Stizoides renicinctus Say, 1823 | |
| Tachytes abdominalis Say, 1823 | |
| Tetramorium immigrans (Linnaeus, 1758) | ⇒ Tetramorium caespitum Linnaeus, 1758 |
| Triepeolus concavus (Cresson, 1878) | ⇒ Doeringiella concava |
| Triepeolus distinctus Cresson, 1878 | |
| Triepeolus helianthi Robertson, 1897 | Sunflower Cuckoo Nomad Bee |
| Triepeolus lunatus Say, 1824 | |
| Triepeolus simplex Robertson, 1903 | Simple Longhorn-Cuckoo |
| Trigonopsis cyclocephala F. Smith, 1873 | |
| Vespula squamosa Drury, 1770 | Southern Yellowjacket |
| Xenoglossa (Euxenoglossa) strenua Cresson, 1878 | |
| Xeromelecta (Melectomorpha) interrupta Cresson, 1872 | Interrupted Xeromelecta |
| Zanysson texanus Cresson, 1872 | |
