Ardozyga polioxysta is a species of moth in the family Gelechiidae. It was described by Turner in 1933. It is found in Australia, where it has been recorded from Queensland. The wingspan is about 18 mm. The forewings are pale shining grey with fuscous irroration and markings. The costal edge is whitish, beyond the middle ochreous-tinged and with a dark fuscous dot on the base of the costa. The stigmata are indistinct, the first discal at one-fourth, the plical beyond it, the second discal at three-fifths and several other dots irregularly distributed. There is also a subterminal series of dots. The hindwings are whitish becoming grey towards apex.