The study was conducted to describe unrecorded six species of thrips; Thrips hawaiiensis f. imitator (Priesner),? Helionothrips antennatus Kurosawa, Franklimiella intonsa (Trybom), Microcephalothrips abdominalis (Crowford), Megalurothrips distalis (Karny) and Haplothrips chinensis Priesener. Specimens of thrips were collected in the area of Suwon, Kwang-Neung and Seoul, Korea, during the period of August to December in 1970.