The genus of Gustavia Kramer, 1879 comprises 16 species are collectively distributed in the worldwide. Only one species, Gustavia microcephala Nicolet, 1855 has been recorded in Korea. We found a new species, Gustavia aominensis Fujikawa, 2008 to Korean inventory from the litter and soil samples of Sasa borealis at Cheong-ok mountain natural recreation forest. A diagnostic description of this species with detailed illustration and data on its geographical distribution are presented.

• Jiwon Kim(Apple Research Institute, National Institute of Horticultural & Herbal Science, Rural Development Administration)
• Badamdorj Bayartogtokh(Department of Zoology, School of Biology and Biotechnology, National University of Mongolia, Mongolia)
• Chuleui Jung(Department of plant medicals, Andong National University)