Syllepte paucistrialis is a moth in the Crambidae family. It was described by Warren in 1896. It is found in India (Meghalaya). The wingspan is about 20 mm. The forewings are pale straw-colour with a dark grey discal spot and an indistinct curved dark grey line beyond the middle, not reaching the costa and ill-defined towards the inner margin, containing a dark spot on the subcostal and another on the first median nervule, followed by three or four dark grey dashes, indicating a submarginal line. The hindwings have a smaller discal dot and dark grey submarginal line, not reaching either the costa or the inner margin.