Lygropia haroldi is a moth in the family Crambidae. It is found in Guyana.[1]
The wingspan is about 19 mm. The wings are black and slightly lustrous, the forewings with pale yellow markings, consisting of a broad, inner, slightly oblique band. There is a small speck at the tornus. The base of the hindwings are pale yellow, including a dark spot in the cell. There are some narrow yellow marginal markings.[2]