Leucoides is a monotypic moth genus of the family Crambidae.
It contains only one species, Leucoides fuscicostalis, which is found in Sri Lanka.
Antennae of male minutely serrate and ciliated.
Legs long and slender, the outer spurs about two-thirds length of inner.
Traces of antemedial and postmedial series of rufous specks found on the veins.