Macroglossum gyrans is a moth of the family Sphingidae.

The underside of the palpus, thorax, and legs are almost pure white.

The sides of the thorax and legs are shaded or speckled with brown scales.

The hindwing upperside is not darker at the base than in the middle and is tawny-rust coloured, gradually becoming brown distally, but the brown border is not sharply defined and the lines are not prominent.

The hindwing underside inner area is pale yellow at the base.