The genus Olethreutes, established by Hübner in 1822, is based on the type species Phalaena arcuella Clerk, 1759. Olethreutes is one of the largest group within the family Tortricidae, with more than 130 species worldwide. As of now, about 31 species of the genus Olethreutes have been reported in the Korean peninsula. The proposes of this study is to describe one new species, with three similar species form Korea.

• Jeong-Nam Kim(Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University, Academi-ro, Incheon, 22012, South Korea)
• Ulziijargal Bayarsaikhan(Bio–Resource and Environmental Center, Incheon National University, Academi–ro, Incheon 22012, South Korea)
• Hanul Kim(Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University, Academi-ro, Incheon, 22012, South Korea)
• Seok-Hoon Choi(Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University, Academi-ro, Incheon, 22012, South Korea)
• Yang-Seop Bae(Bio–Resource and Environmental Center, Incheon National University, Academi–ro, Incheon 22012, South Korea)