Dichomeris ustalella is a moth in the Gelechiidae family. It is found in south-eastern Siberia, the Caucasus, Transcaucasia, Korea, Japan, China (Zhejiang, Jiangxi, Yunnan) and Europe, where it has been recorded from most of the continent, except for Ireland, the Iberian Peninsula and Scandinavia. The wingspan is 15-20 mm. Adults are on wing in May and June.