Larridae
Larrinae
Larrini
Larra analis Fab.  (6)
Liris argentata (Beauvois)  (1)
Tachytini
Larropsis consimilis (Fox)  (4)
L. filicornis Rohwer  (4)
Tachytes d. distinctus Smith  (3,6)
T. pennsylvanicus Banks  (6)
T. sayi Banks  (2)
Tachysphex coquilletti Rohwer  (4)
Miscophinae
Solierella plenoculoides (Fox)  (6)
Trypoxyloninae
Trypoxylon fastigium Fox  (4)
T. johnsoni Fox  (4)
T. punctivertex Richards  (4)
Trypargilum c. clavatum Say  (5,6, as Trypoxylon)
T. collinum rubrocinctum (Packard)  (5, as Trypoxylon)
T. politum (Say)  (6, as Trypoxylon)
T. texensa Saussure  (5,6, as Trypoxylon)
T. t. tridentatum Packard  (5, as Trypoxylon)
1. In OSU Collection - Det. G. Bohart
2. In OSU Collection - Det. K. V. Krombein
3. In OSU Collection - Det. G. Sandhouse
4. Reported in Hymenoptera Catalog
5. Reported by Coville, 1982
6. Reported by Kondratieff, 2007
8 genera - 18 species