| Mecotetartus Bates, 1872 |
| Mecotetartus antennatus Bates, 1872 |
| Mecynome Bates, 1885 |
| Mecynome aenescens Bates, 1885 |
| Megachoriolaus Linsley, 1970 |
| Megachoriolaus chemsaki Linsley, 1970 |
| Megachoriolaus flammatus (Linsley, 1961) |
| Megachoriolaus imitatrix Linsley, 1970 |
| Megachoriolaus nigricollis Chemsak & Linsley, 1974 |
| Megachoriolaus patricia (Bates, 1885) |
| Megachoriolaus unicolor (Bates, 1892) |
| Megachoriolaus yucatanus Giesbert & Wappes, 2000 |
| Megacyllene Casey, 1912 |
| Megacyllene (Megacyllene) Casey, 1912 |
| Megacyllene angulata (Fabricius, 1775) |
| Megacyllene antennata (White, 1855) |
| Megacyllene asteca (Chevrolat, 1860) |
| Megacyllene caryae (Gahan, 1908) |
| Megacyllene giesberti Botero, Santos-Silva & Wappes, 2019 |
| Megacyllene snowi (Casey, 1912) |