Revision of Bethylinae from Dominican amber, with description of a new genus (Hymenoptera, Bethylidae)

Fossil species of bethyline wasps from Dominican amber are revised. Based on a cladistic analysis female morphological data we recognize new genus and species, † Crassibethylus dominicanus gen. et sp. nov. , which came out as sister group the clade Odontepyris + Prosierola . We also transfer to Bethylidae fossil taxon originally described in Sclerogibbidae, placing Pterosclerogibba Olmi junior synonym under Goniozus Förster, combination antiquus (Olmi). Additionally, third Bethylinae known amber, respectus Sorg, is diagnosed illustrated with color images holotype. An identification key provided.