The family Periscelididae Oldenberg is reported for the first time from Korean fauna along with three nominate species, Cyamops hotei Sueyoshi, 2004, Stenomicra angustiforceps Sabrosky, 1965 and S. fascipennis Malloch, 1927. Stenomicra have been collected at grassy areas, whereas Cyamops have been founded near wet habitats. The descriptions and illustrations of external features of these species are provided here.

• Young-Kun Kim(School of Applied Biosciences, Kyungpook National University, Graduate School of Plant Protection and Quarantine, Kyungpook National University) Corresponding author
• Sang Jae Suh(School of Applied Biosciences, Kyungpook National University, Institute of Plant Medicine, Kyungpook National University, Graduate School of Plant Protection and Quarantine, Kyungpook National University)