The introduced house centipede Scutigera coleoptera (L.) (Scutigeromorpha: Scutigeridae) is found throughout North America and is recognized as the only scutigeromorph in most of the United States and Canada. I report on the discovery of a population of the Japanese house centipede, Thereuonema tuberculata (Wood), from a military schoolhouse building in Ohio. Thereuonema tuberculata were collected for several years. Heightened scrutiny is called for on identifications of S. coleoptera throughout North America to differentiate this species from T. tuberculata.