The genus Trichophysetis is one of the taxa that has recently undergone frequent changes in its taxonomic position. Only four species have been recorded in Korea, including synonymized Hendecasis species. Recent studies on the taxonomic classification of Trichophysetis have not addressed any species inhabiting Korea. Therefore, it is necessary to conduct a renewed morphological analysis of Korean species. In this study, we compare and analyze four Korean Trichophysetis species with one newly recorded species.

• Tak-Gi Lee(Research Institute of EcoScience, Ewha Womans University, Seoul, National Institute of Biological Resources, Incheon)
• Neung-Ho Ahn(National Institute of Biological Resources, Incheon)