Aroga velocella is a moth of the Gelechiidae family. It is found in most of Europe, except for Ireland, Iceland and Croatia. Outside of Europe, it is found in Turkey, the Caucasus and Siberia (Transbaikalia). The wingspan is 14–19 mm. Adults are on wing in May and again in August. There are two generations per year. The larvae feed on Rumex acetosella. The larva feeds in a silken gallery at the base of the plant.