The species is native to Mexico and Central America.

[2] P. tuberculosus is found in the southern Mexican states of Guerrero, Michoacán, Morelos, and Quintana Roo, and in the Central American countries of Belize, Costa Rica, El Salvador, Guatemala, Honduras, and Nicaragua.

[1][2] The preferred natural habitat of P. tuberculosus is forest, at altitudes from sea level to 1,300 m (4,300 ft).

It also is found in houses, where it hides during the day inside walls and in thatch roofs.

[2] The subspecific name, ingeri, is in honor of American herpetologist Robert F.