Marumba saishiuanaMarumba saishiuana is a species of moth of the family Sphingidae.DistributionIt is known from south-eastern China, southern South Korea, Japan, northern Thailand, northern Vietnam and Taiwan.DescriptionThe wingspan is 75–85 mm. Adults are on wing from May to July in Korea.SubspeciesMarumba saishiuana saishiuana Marumba saishiuana formosana Matsumura, 1927