| 1 | | No Common Name | Megachile | addenda | Bees | Megachilidae | Hymenoptera | Insecta | Animalia |
| 2 |  | Apical Leaf-cutter Bee | Megachile | apicalis | Bees | Megachilidae | Hymenoptera | Insecta | Animalia |
| 3 | | Common Little Leaf-cutter Bee | Megachile | brevis | Bees | Megachilidae | Hymenoptera | Insecta | Animalia |
| 4 | | Bellflower Resin Bee | Megachile | campanulae | Bees | Megachilidae | Hymenoptera | Insecta | Animalia |
| 5 | | No Common Name | Megachile | centuncularis | Bees | Megachilidae | Hymenoptera | Insecta | Animalia |
| 6 | | Elegant Leaf-cutter Bee | Megachile | concinna | Bees | Megachilidae | Hymenoptera | Insecta | Animalia |
| 7 | | Slender Resin Bee | Megachile | exilis | Bees | Megachilidae | Hymenoptera | Insecta | Animalia |
| 8 | | No Common Name | Megachile | frugalis | Bees | Megachilidae | Hymenoptera | Insecta | Animalia |
| 9 | | Small-handed Leaf-cutter Bee | Megachile | gemula | Bees | Megachilidae | Hymenoptera | Insecta | Animalia |
| 10 | | No Common Name | Megachile | georgica | Bees | Megachilidae | Hymenoptera | Insecta | Animalia |
| 11 | | Unarmed Leaf-cutter Bee | Megachile | inermis | Bees | Megachilidae | Hymenoptera | Insecta | Animalia |
| 12 | | Hostile Leaf-cutter Bee | Megachile | inimica | Bees | Megachilidae | Hymenoptera | Insecta | Animalia |
| 13 | | Broad-handed Leaf-cutter Bee | Megachile | latimanus | Bees | Megachilidae | Hymenoptera | Insecta | Animalia |
| 14 | | Flat-tailed Leaf-cutter Bee | Megachile | mendica | Bees | Megachilidae | Hymenoptera | Insecta | Animalia |
| 15 | | Silver-tailed Petal-cutter Bee | Megachile | montivaga | Bees | Megachilidae | Hymenoptera | Insecta | Animalia |
| 16 | | No Common Name | Megachile | mucida | Bees | Megachilidae | Hymenoptera | Insecta | Animalia |
| 17 | | Petulant Leaf-cutter Bee | Megachile | petulans | Bees | Megachilidae | Hymenoptera | Insecta | Animalia |
| 18 | | Pugnacious Leaf-cutter Bee | Megachile | pugnata | Bees | Megachilidae | Hymenoptera | Insecta | Animalia |
| 19 | | No Common Name | Megachile | relativa | Bees | Megachilidae | Hymenoptera | Insecta | Animalia |
| 20 | | Alfalfa Leafcutter Bee | Megachile | rotundata | Bees | Megachilidae | Hymenoptera | Insecta | Animalia |
| 21 | | Giant Resin Bee | Megachile | sculpturalis | Bees | Megachilidae | Hymenoptera | Insecta | Animalia |
| 22 | | Texas Leaf-cutter Bee | Megachile | texana | Bees | Megachilidae | Hymenoptera | Insecta | Animalia |
| 23 | | Carpenter-mimic Leaf-cutter Bee | Megachile | xylocopoides | Bees | Megachilidae | Hymenoptera | Insecta | Animalia |
