A new species of soldier flies (Diptera: Stratiomyidae), Adoxomyia hasbenlii sp. nov., is described from Turkey. The characters of the new species were examined and photos are presented, and the species-specific male terminalia is illustrated and compared with related species, Adoxomyia variabilis Krivosheina, 2016, and Adoxomyia ruficornis (Loew, 1873). An identification key to the related species of Adoxomyia is presented.