Plyustchiella is a genus of moths in the Cossidae family. It contains only one species, Plyustchiella gracilis, which is found in south-eastern Uzbekistan and Turkmenistan. The habitat consists of deserts. The length of the forewings is 9–13 mm for males and 13–14 mm for females. The forewings have a white or grey submarginal area and a wide brown field in the postdiscal and discal area. The hindwings are brown, with a white basal area. Adults are on wing from April to July.