Synonyms: Nomia gowdeyi (heterotypic); Nomia gowdeyi lacustris (heterotypic); Nomia grossiventris (heterotypic); Nomia heterocincta (heterotypic); Nomia kampolicola (heterotypic); Nomia robustior (heterotypic); Nomia viridarii kivuensis (heterotypic); Nomia wellmani (heterotypic); Nomia welwitschi (homotypic); Rhopalomelissa gowdeyi (heterotypic); Rhopalomelissa grossiventris (heterotypic); Rhopalomelissa kampalicola (heterotypic); Rhopalomelissa kivuensis (heterotypic); Rhopalomelissa lacustris (heterotypic); Rhopalomelissa robustior (heterotypic); Rhopalomelissa welwitschi (homotypic)