A new species of the genus Hylcalosia Fischer (Hymenoptera: Braconidae: Alysiinae) from South Korea, with a key to the Korean species.

The species of the genus Hylcalosia Fischer, 1967 (Braconidae: Alysiinae) from South Korea are revised. One species, Hylcalosiabicolor sp. nov., is new to science. They are described and illustrated herein and an identification key to the Korean species is added. In addition, the DNA barcode region of the mitochondrial cytochrome c oxidase subunit I (COI) has been analysed for the new species and H.sutchanica is used for genetic comparison.