Acosmeryx shervillii, the dull forest hawkmoth, is a moth of the family Sphingidae.

Fore wing with nine curved and waved antemedial dark lines, the interspaces between three of the pairs of lines being filled in with dark brown, so as to form one subbasal and two antemedial bands; a dark-ringed pale speck at end of cell, the pale center being sometimes obsolete; four postmedial curved lines; an oblique dark band from beyond the middle of the costa to outer angle, in some of the forms produced outwards along vein 5 so as to be more oblique; a pale submarginal obsolescent line from below the apex to outer angle, sometimes carried out to the margin at vein 4.

Hind wing brownish fuscous, with traces of a pale patch and dark lines near anal angle.

Underside more or less suffused with ferruginous, ochreous, and grey; the outer margin of both wings dark; hind wing with five indistinct lines.......larva green; a series of brown dorsal spots and of lateral oblique stripes on 5th to 10th somites; an ocellated spot on 4th somite; a black stripe from 1st to 4th somite, with a yellow line above it; horn brown.There are three or more generations in Hong Kong, occurring from early March until early October.

The larvae have been recorded on Saurauia, Dillenia, Leea, Cayratia, Cissus and Vitis species.