Aristotelia tetracosma
Aristotelia tetracosma is a moth of the family Gelechiidae. It was described by Edward Meyrick in 1904. It is found in Australia, where it has been recorded from Western Australia. The wingspan is about . The forewings are dark fuscous, with a faint purplish tinge and with an ochreous-white subtriangular blotch on the costa at one-fourth, reaching more than half across the wing. A similar smaller spot is found on the costa before three-fourths, reaching half across the wing. The hindwings are grey, darker posteriorly.