Lyssa zampa, which is also known as the tropical swallowtail moth or the Laos brown butterfly, is a species of moth of the family Uraniidae. It can be found from Himalaya to Borneo and the Malay Peninsula. The moth has a wingspan of 100–160 mm. It is most abundant from June to November depending on the location. The larvae feed on Endospermum and other members of the rubber tree family (Euphorbiaceae). It is usually attracted to bright lights in urban areas.