| Bakeriella olmeca Evans, 1964 |
| Bethylidae Haliday, 1839 |
| Bethylinae Halliday, 1839 |
| Bethylus Latreille, 1802 |
| Bethylus cellularis Say, 1836 |
| Bethylus centratus Say, 1836 |
| Bethylus formicoides Provancher, 1887 |
| Bethylus pedatus Say, 1836 |
| Bethylus rufipes Say, 1824 |
| Cephalonomia Westwood, 1833 |
| Cephalonomia utahensis Brues, 1908 |
| Chlorepyris Kieffer, 1913 |
| Chlorepyris semiviridis Kieffer, 1913 |
| Cleistepyris Kieffer, 1910 |
| Dipristocera Kieffer, 1914 |
| Dissomphalus Ashmead, 1893 |
| Dissomphalus altivolans Evans, 1955 |
| Dissomphalus apterus Kieffer, 1914 |
| Dissomphalus chiapanus Evans, 1962 |
| Dissomphalus clypeatus Evans, 1954 |