Dichomeris amphicosma is a moth in the Gelechiidae family. It was described by Meyrick in 1930. It is found in Brazil (Para). The wingspan is about 17 mm. The forewings are blue-grey with a moderate blackish-fuscous fascia, mostly deep ferruginous on the costal half, posteriorly edged whitish, rounded-angulated in the middle, anteriorly with two projections in the disc. There is a small round black whitish-edged spot in the middle of the disc, and a larger one beneath this, where a ferruginous line runs along the dorsum to the tornus. There is also a transverse blackish-fuscous whitish-edged blotch in the disc beyond the middle, the upper half filled with ferruginous. There is also a triangular blackish patch resting on the termen from the apex to the tornus, whitish-edged except above, it