| Mesostenus gracilis Cresson, 1864 |
| Mesostenus introitus Cresson, 1872 |
| Mesostenus jocosus Provancher, 1874 |
| Mesostenus lamentarius Cameron, 1885 |
| Mesostenus liogaster Townes, 1962 |
| Mesostenus longicaudis Cresson, 1872 |
| Mesostenus macilentus Cresson, 1878 |
| Mesostenus macrurus Dalla Torre, 1902 |
| Mesostenus modicus Cresson, 1874 |
| Mesostenus nobilis Provancher, 1882 |
| Mesostenus ornatifrons Cameron, 1885 |
| Mesostenus paululus Cresson, 1873 |
| Mesostenus pertenuis Cresson, 1874 |
| Mesostenus pertinax Cresson, 1872 |
| Mesostenus saundersi Cresson, 1878 |
| Mesostenus semialbus Cresson, 1865 |
| Mesostenus sicarius Townes, 1962 |
| Messatoporus Cushman, 1929 |
| Messatoporus arcuatus (Cresson, 1874) |
| Messatoporus discoidalis Cresson, 1872 |