In material obtained from pitfall traps in forest areas of central Taiwan mygalomorph spiders have been studied according to their distribution and phenology. Ummidia taiwanensis, new species, and Latouchia formosensis smithi, new subspecies, are described from both sexes. The receptaculum of the Ummidia fragaria type from Japan is depicted for the first time. A key of the known Taiwanese ctenizid spiders is given.
