Hippotion pentagramma is a moth of the family Sphingidae. It is known from the arid areas in Arabia, Somalia and Ethiopia. The length of the forewings is 22-24 rnm. The head, body and forewings are pale sandy brown. The forewings are marked with five narrow evenly curved parallel darker lines running from the inner margin to the apex and costa. The intensity of these lines is variable and some specimens are almost unmarked. The hindwings are greyish brown at the base, pinkish towards the outer margin. The underside is pinkish.