The genus Ypsolopha Latreille has been recorded total 22 species from Japan. Of them, Ypsolopha distinctata Moriuti had discovered in 1977, as endemic species until now.
This species show a number of variation in color and markings. Also, it treated as Ypsolopha parenthesella (Linnaes) in 1964, even both species have genital similarity. Since first recording of this species, it has not any report in detail.
From 2012 to 2015, we had carried project, ‘Securing of micro-moth specimen nearby Korean Peninsula’ supporting by Korea National Arboretum. All examined specimens collected from Tsushima Island, Japan.
In the present study, we reviewed Ypsolopha distinctata Moriuti, and provide adult and both gender of genitalia pictures.

• Sol-Moon Na(Division of Life Sciences, Incheon National University)
• Bo-Sun Park(Division of Life Sciences, Incheon National University)
• Dong-June Lee(Division of Life Sciences, Incheon National University)
• Yang-Seop Bae(Division of Life Sciences, Incheon National University, Bio-Resource and Enviromental Center, College of Life Sciences and Bioengineering, Incheon National University)