The genus Bioxylus Fleutiaux, 1923 is reported for the first time in Korea with three species, Bioxylus natsumiae Watanabe, 2009, B. pilosellus Hisamatsu, 1959 and B. personatus Mamaev, 1976. Diagnosis of the genus Bioxylus, a key to species and illustrations are provided.

Three species of the genus Isorhipis Lacordaire, 1835 are reviewed in Korea. Among them, I. banghaasi and I. minuta are reported for the first time in Korea. Description of genus Isorhipis, keys for identification each species and figures of external morphology are given.