Hemaris radians is a moth of the family Sphingidae. It is known from southern Siberia, Mongolia, the southern Russian Far East, north-eastern and central-eastern China, the Korean Peninsula and Japan.
The wingspan is 37âÂÂ40 mm. Adults are on wing from mid-May to late July in Korea.
It looks like a bee, but it is not.
The larvae have been recorded feeding on Lonicera and Rubia species in the Russian Far East and Lonicera japonica in Korea.