Aristotelia isopelta is a moth of the Gelechiidae family. It was described by Meyrick in 1929. It is found in North America, where it has been recorded from [[Arizona, British Columbia, California, Indiana, Maine, Massachusetts, Quebec and Texas.^[1][2]

The wingspan is 9-12 mm. The forewings are fuscous slightly speckled whitish, or sometimes light ochreous suffusedly mixed white and speckled fuscous, with some scattered dark fuscous scales. There is a triangular black costal blotch before the middle, reaching to the fold. The second discal stigma is very small and black. The hindwings are grey.^[3]