Prodoxus mapimiensis is a moth of the family Prodoxidae. It is found in Mexico in the Chihuahuan Desert, from Saltillo-Torre north to the Big Bend region of western Texas, United States.
The wingspan is 7.3–10.9 millimetres (0.29–0.43 in) for males and 8.8–12 millimetres (0.35–0.47 in) for females.