Callambulyx tatarinoviiCallambulyx tatarinovii, or unmonsuzume in Japanese, is a moth of the family Sphingidae. The species was first described by Otto Vasilievich Bremer and William Grey in 1853.DistributionIt is found from northern Xinjiang across northern China, Mongolia, southern Siberia to the Russian Far East and Japan, and then south through Korea and central China to eastern Tibet. It is also found in Taiwan.DescriptionThe wingspan is. It is very similar to ''Smerinthus kindermannii.''BiologyThere are one to two generations per year in China. In Korea, adults are on wing from early May to mid-October.SubspeciesCallambulyx tatarinovii tatarinovii Callambulyx tatarinovii formosana - Clark, 1935 Callambulyx tatarinovii gabyae - Bryk, 1946