The genus Myrmecina of Korean fauna is reviewed. Two species of the Myrmecina have been recorded from Korea, Myrmecina nipponica Wheeler and Myrmecina flava Terayama. They are fully described here with its morphological characteristics and SEM photomicrographs. Detailed characteristics of the genus, a key to the Korean species, and worker images of each species are provided.
Most current systematic changes in the tribe Dacetini are applied to the Korean dacetine ants. The tribe Dacetini of Korea include Strumigenys lewisi, Pyramica incerta, p. japonica, P mutica, and P. hexamerus. Taxonomic positions are revised, new informations are added, and a full reference list is provided.