| Epeolus autumnalis Robertson, 1902 | Autumnal Cellophane-Cuckoo |
| Epeolus bifasciatus Cresson, 1864 | Two-Banded Cellophane-Cuckoo |
| Epeolus canadensis Mitchell, 1962 | Canadian Cellophane-Cuckoo Bee |
| Epeolus minimus Robertson, 1902 | Least Cellophane-Cuckoo Bee |
| Epeolus pusillus Cresson, 1864 | Dwarf Cellophane-Cuckoo Bee |
| Epeolus scutellaris Say, 1824 | Notch-Backed Cellophane-Cuckoo Bee |
| Holcopasites calliopsidis Linsley, 1943 | Calliopsis Cuckoo Nomad Bee |
| Holcopasites calliopsidis calliopsidis Linsley, 1943 | |
| Nomada (Nomada) banksi Cockerell, 1907 | Banks' Nomad Bee |
| Nomada (Nomada) denticulata Robertson, 1902 | Denticulate Nomad |
| Nomada (Nomada) gracilis Cresson, 1863 | Slender Cuckoo Nomad Bee |
| Nomada (Nomada) parva Robertson, 1900 | Small Cuckoo Nomad Bee |
| Nomada (Nomada) vicina Cresson, 1863 | Neighborly Nomad |
| Nomada armatella Cockerell, 1903 | Armed Cuckoo Nomad Bee |
| Nomada articulata Smith, 1854 | Articulated Nomad |
| Nomada australis Mitchell, 1962 | Austral Cuckoo Nomad Bee |
| Nomada bethunei Cockerell, 1903 | Bethune'S Cuckoo Nomad Bee |
| Nomada composita Mitchell, 1962 | Composite Cuckoo Nomad Bee |
| Nomada cressonii Morawitz, 1877 | Cresson'S Nomad |
| Nomada cuneata Robertson, 1903 | Cuneate Cuckoo Nomad Bee |
| Nomada depressa Cresson, 1863 | Depressed Cuckoo Nomad Bee |
| Nomada electa Cresson, 1863 | |
| Nomada florilega Lovell & Coc..., 1905 | Flower Cuckoo Nomad Bee |
| Nomada illinoensis (Robertson, 1900) | ⇒ Nomada illinoiensis Robertson, 1900 |
| Nomada imbricata Smith, 1854 | Imbricate Cuckoo Nomad Bee |
| Nomada lehighensis Cockerell, 1903 | Lehigh Gap Cuckoo Nomad Bee |
| Nomada lepida Cresson, 1863 | Charming Cuckoo Nomad Bee |
| Nomada luteoloides (Robertson, 1895) | ⇒ Nomada sulphurata Smith, 1854 |
| Nomada maculata Cresson, 1863 | Spotted Nomad Bee |
| Nomada mendica Mitchell, 1962 | |
| Nomada obliterata Cresson, 1863 | Obliterated Cuckoo Nomad Bee |
| Nomada ovata Robertson, 1903 | Orange-Tailed Nomad |
| Nomada pygmaea Cresson, 1863 | Pygmy Cuckoo Nomad Bee |
| Nomada tiftonensis Cockerell, 1903 | Tifton Nomad Bee |
| Nomada valida Smith, 1854 | True Cuckoo Nomad Bee |
| Nomada vincta Say, 1837 | Bounded Cuckoo Nomad Bee |
| Nomada xanthura Cockerell, 1908 | Yellow-Striped Cuckoo Nomad Bee |
| Triepeolus cressonii Robertson, 1897 | Eucera Cuckoo Nomad Bee |
| Triepeolus donatus Smith, 1854 | Thistle Longhorn-Cuckoo |
| Triepeolus helianthi Robertson, 1897 | Sunflower Cuckoo Nomad Bee |
| Triepeolus michiganensis Mitchell, 1962 | Michigan Cuckoo Nomad Bee |
| Triepeolus pectoralis Robertson, 1897 | Goldenrod Longhorn-Cuckoo Bee |
| Triepeolus remigatus Fabricius, 1804 | Hairy cockle |
| Triepeolus simplex Robertson, 1903 | Simple Longhorn-Cuckoo |
