Antaeotricha adjunctella is a moth in the family Depressariidae. It was described by Francis Walker in 1864. It is found in Amazonas in Brazil and in the Guianas. Adults are pale cinereous (ash-gray) straw colour, the forewings with a fawn-coloured basal patch, which is accompanied by black streaks. There is a black point in the disk beyond the middle and the exterior space is fawn coloured, whitish streaked and traversed by an outward-curved whitish line. The marginal points are black and whitish bordered. The hindwings are whitish, with the exterior part tinged with pale fawn colour.