Two new species of the genus Joeropsis Koehler, 1885 (Isopoda, Asellota, Joeropsididae) from Korean waters

Abstract

Two new species, Joeropsis denticulatus sp. nov. and Joeropsis semicircularis sp. nov. are reported from South Korea. Joeropsis denticulatus sp. nov. can be identified by the following character states: whole body has dark brown chromatophores dorsally, lateral margins of the cephalon are smooth and narrowing anteriorly, and basis of pereopods has serrated cuticular scales superiorly. Joeropsis semicircularis sp. nov. can be identified by the following character states: the cephalon, pereonite 4, and pleotelson have dark brown chromatophores dorsally, lateral margins of the cephalon are smooth and parallel each other, and flagellar article 1 of the antenna is swollen and semi-circular in shape.