Semnostoma poecilopa is a moth of the Gelechiidae family. It was described by Meyrick in 1918. It is found in India (Assam). The wingspan is about 13 mm. The forewings are dark fuscous, with the tips of the scales whitish, forming a line striation. The basal area is suffusedly streaked or spotted brassy-yellow and there is an oblique white spot beneath the fold at one-fourth, as well as an oblique white streak from the middle of the dorsum to the fold, followed by a patch of brassy-yellow suffusion. A white dot or mark is found beneath the middle of the costa, and three or four in the disc beyond the middle and there is an elongate white spot in the disc at three-fourths, separated by a blackish mark from an elongate white mark beneath it. A white wedge-shaped spot is found on the tornus a