The genus Adrapsa Walker, 1859 belongs to Herminiinae of Erebidae in Lepidoptera. In Korea, only one species, Adrapsa simplex (Butler, 1879) has been recorded so far. Here we add another species, Adrapsa simplex (Butler, 1879) as a new record to the Korean fauna. A short description for the species is given with adult images of male and female and their genitalia, and its COI barcode sequence is also provided.