GastroxidesGastroxides is a genus of horse flies in the family Tabanidae. This genus possesses three closely placed ocelli at the vertex of the head, between the compound eyes.SpeciesGastroxides ater Saunders, 1842 - IndiaGastroxides ornatus - Sri LankaGastroxides shirakii Ôuchi, 1939 - China