The genus Etainia Beirne is one of the small group in the family Nepticulidae (Lepidoptera: Nepticuloidea) and is comprising 16 described species in the world. Among them, just four species have been known from the East Palearctic region. As results of taxonomic studies on Korean nepticulids, two species of Etania, E. peterseni Puplesis and E. trifasciata (Matsumura), are newly recognized from Korea. Description and illustrations of diagnostic characteristics including male genitalia for each species are provided with information of host plants.

• Young-Min Shin(Division of Forest Biodiversity, Korea National Arboretum/Department of Biological Science & Biotechnology, Hannam University)
• Jongok Lim(Division of Forest Biodiversity, Korea National Arboretum)
• Bong-Kyu Byun(Department of Biological Science & Biotechnology, Hannam University)