†Dioxys Lepeletier and Serville 1825 (wasp)
Parent taxon: Apoidea according to T. D. A. Cockerell 1908
Sister taxa: Ampulicidae, Anthophila, Ceratinidae, Cirrosphecinae, Crabronidae, Heterogynaidae, Melittidae, Melittosphecidae, Paleomelittidae, Sphecidae, Stelis, Stenotritidae, Trigampulex
Subtaxa: Dioxys rohweri
Ecology: