Pseudopolyptychus is a genus of moths in the family Sphingidae, containing one species, Pseudopolyptychus foliaceus, which is known from Guinea, Ivory Coast, Burkina Faso, Togo and from Ghana to Nigeria.[1]
It is an undistinguished species, with pale brown forewings overlain with darker brown markings. The thorax is pale brown with a longitudinal dark brown median line. The proboscis is very short. The forewing upperside is pale brown with a subapical darker brown triangular patch on the costa and a dark brown line crossing the discal cell, expanding into a postmedian trapezoidal darker brown patch.