Described as
Axarus Roback, 1980b: p. 32 nomen novum for Anceus Roback, 1963 nec Risso, 1816
Type species: Chironomus festivus Say, 1823a: p. 13 (not Palaearctic)
Synonymy
Anceus Roback, 1963a: p. 237 nec Risso, 1816, (as subgenus of Xenochironomus); Type species: Chironomus festivus Say, 1823