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 37–40 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.

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