The Genus Eugahania Mercet belongs to the family Encyrtidae (Hymenoptera: Chalcidoidea), containing 8 species in the world. They are mostly parasitoids on the nymphs of leafhoppers (Hemiptera). Until now, Eugahania have been barely studied in the world. In this study, the genus Eugahanua is reported for the first time from Korea including two new records. A key to the species, and diagnoses and photographs for each species are provided.

• Sunghoon Jung(Laboratory of Systematic Entomology, Department of Applied Biology, College of Agriculture and Life Sciences, Chungnam National University)
• Jongok Lim(Division of Forest Biodiversity, Korea National Arboretum)
• Il-Kwon Kim(National DMZ Native Botanical Garden)
• Subin Choi(Laboratory of Systematic Entomology, Department of Applied Biology, College of Agriculture and Life Sciences, Chungnam National University)