| Coelioxys (Acrocoelioxys) dolichos Fox, 1890 | Carpenter-mimic Cuckoo-leaf-cutter |
| Coelioxys (Acrocoelioxys) producta Cresson, 1865 | |
| Coelioxys (Boreocoelioxys) banksi Crawford, 1914 | |
| Coelioxys (Boreocoelioxys) funeraria Smith, 1854 | |
| Coelioxys (Boreocoelioxys) moesta Cresson, 1864 | |
| 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) hirsutissima Cockerell, 1912 | |
| Coelioxys (Coelioxys) immaculata Cockerell, 1912 | |
| Coelioxys (Coelioxys) sodalis Cresson, 1878 | Comrade Cuckoo Leafcutter Bee |
| Coelioxys (Cyrtocoelioxys) gonaspis Cockerell, 1924 | |
| Coelioxys (Cyrtocoelioxys) hunteri Crawford, 1914 | Hunter´s Cuckoo-leaf-cutter |
| Coelioxys (Cyrtocoelioxys) modesta Smith, 1854 | Modest Cuckoo-leaf-cutter |
| Coelioxys (Glyptocoelioxys) germana Cresson, 1878 | |
| Coelioxys (Haplocoelioxys) mexicana Cresson, 1878 | Mexican Cuckoo-leaf-cutter |
| Coelioxys (Neocoelioxys) slossoni Viereck, 1902 | |
| Coelioxys (Synocoelioxys) alternata Say, 1837 | Alternate Cuckoo-leaf-cutter |
| Coelioxys (Synocoelioxys) apacheorum Cockerell, 1900 | |
| Coelioxys (Synocoelioxys) texana Cresson, 1872 | |
| Coelioxys (Xerocoelioxys) edita Cresson, 1872 | |
| Coelioxys (Xerocoelioxys) grindeliae Cockerell, 1900 | |
| Coelioxys erysimi Cockerell, 1912 | |
| Coelioxys novomexicana Cockerell, 1909 | |
| Megachile (Acentron) albitarsis Cresson, 1872 | White-footed Leaf-cutter Bee |
| Megachile (Argyropile) parallela Smith, 1853 | Parallel Leaf-cutter Bee |
| Megachile (Argyropile) townsendiana Cockerell, 1898 | |
| Megachile (Austromegachile) trigonaspis Schrottky, 1913 | |
| Megachile (Callomegachile) sculpturalis Smith, 1853 | Giant resin bee |
| Megachile (Chelostomoides) angelarum Cockerell, 1902 | |
| Megachile (Chelostomoides) campanulae Robertson, 1903 | Bellflower resin bee |
| Megachile (Chelostomoides) exilis Cresson, 1872 | Slender Resin Bee |
| Megachile (Chelostomoides) georgica Cresson, 1878 | |
| Megachile (Chelostomoides) rugifrons Smith, 1854 | Rugose-Fronted Resin Bee |
| Megachile (Chelostomoides) spinotulata Mitchell, 1934 | |
| Megachile (Chelostomoides) subexilis Cockerell, 1908 | |
| Megachile (Cressoniella) zapoteca Cresson, 1878 | |
| Megachile (Dasymegachile) chilensis (Spinola, 1851) | ⇒ Megachile saulcyi Guérin-Ménev..., 1845 |
| Megachile (Eutricharaea) apicalis (Spinola, 1808) | ⇒ Megachile analis Nylander, 1852 |
| 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) 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) 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) montivaga Cresson, 1878 | Silver-tailed Petal-cutter Bee |
| Megachile (Megachile) relativa Cresson, 1878 | Golden-Tailed Leafcutter |
| Megachile (Megachiloides) anograe Cockerell, 1908 | |
| Megachile (Megachiloides) coloradensis (Mitchell, 1936) | ⇒ Megachile zapoteca Cresson, 1878 |
| Megachile (Megachiloides) dakotensis Mitchell, 1926 | |
| Megachile (Megachiloides) deflexa Cresson, 1878 | |
| Megachile (Megachiloides) integra Cresson, 1878 | |
| Megachile (Megachiloides) manifesta Cresson, 1878 | |
| Megachile (Megachiloides) nevadensis Cresson, 1879 | |
| Megachile (Megachiloides) oenotherae Mitchell, 1924 | |
| Megachile (Megachiloides) rubi Mitchell, 1924 | |
| Megachile (Megachiloides) wheeleri Mitchell, 1927 | |
| Megachile (Melanosarus) bahamensis Mitchell, 1927 | Bahama Leaf-cutter Bee |
| Megachile (Melanosarus) xylocopoides Smith, 1853 | Carpenter-mimic Leaf-cutter Bee |
| Megachile (Neoeutrichaea) rotundata Fabricius, 1793 | Alfalfa leaf-cutter bee |
| Megachile (Pseudocentron) pruina Smith, 1853 | Hoary Leaf-cutter Bee |
| Megachile (Pseudocentron) sidalceae Cockerell, 1897 | |
| 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 (Xanthosarus) addenda Cresson, 1878 | Cranberry Leafcutter |
| Megachile (Xanthosarus) agustini Cockerell, 1905 | |
| Megachile (Xanthosarus) cochisiana Mitchell, 1934 | |
| 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) gemula Cresson, 1878 | Small-handed Leaf-cutter Bee |
| Megachile (Xanthosarus) ingenua Cresson, 1878 | |
| Megachile (Xanthosarus) latimanus Say, 1823 | Broad-handed Leaf-cutter Bee |
| Megachile (Xanthosarus) melanophaea Smith, 1853 | Black-and-gray Leaf-cutter Bee |
| Megachile (Xanthosarus) mucida Cresson, 1878 | |
| Megachile (Xanthosarus) perihirta Cockerell, 1898 | Furry Leaf-cutter Bee |
| Megachile hilata Mitchell, 1934 | |
| Megachile mellitarsis Cresson, 1878 | |
| Megachile perplexa Smith, 1853 | |
| Megachile zaptlana Cresson, 1878 | |
