The planthopper subfamily Achilinae (Metcalf, 1938) from Korea is taxonomically revised. Six genera and seven species are recorded among Korean fauna. Among them, one genus, Phenelia Kirkaldy, and two species, Phenelia striatella (Matsumura, 1914) and Deferunda qiana Chen and He (2010) are new to Korea. The male genital structures of all these species are described and illustrated, plus an identification key to the tribe, genus, and species is provided.

• Rahman, Mohammad Atikur(Department of Entomology, Patuakhali Science and Technology University)
• Kwon, Yong Jung( School of Applied Biosciences, Kyungpook National University) | Kwon, Yong Jung
• Su, Sang Jae( School of Applied Biosciences, Kyungpook National University) | Su, Sang Jae