The genus Argyresthia Hübner, [1825] of the family Argyresthiidae is known to comprise over 150 species worldwide. Among them, more than 70 species are recognized in the Palearctic region. The Korean fauna of the genus Argyresthia includes 11 described species to date. In this study, we report three species of the genus Argyresthia for the first time in Korea: A. brockeella (Hübner, [1813]), A. longalbella Liu, Wang & Li, 2017, and A. mala Liu, Wang & Li, 2017. All available information, images of adults and genitalia for species are provided.

• Sang-Yoon Kim(Department of Biological Science and Biotechnology, Hannam University, Daejeon, Korea)
• Bong-Kyu Byun(Department of Biological Science and Biotechnology, Hannam University, Daejeon, Korea)