A new species and new record of the Amphilochidae (Crustacea: Amphipoda) from Korea

摘要

Two species of the family Amphilochidae were collected from shallow Korean waters. One of the species is new and is described as Hourstonius geojeensis. The morphology of the eyes, lateral cephalic lobe, mandibular palp and molar, antenna 1, gnathopod 2, pereopodal dactyls, epimeron, uropods and telson are the major characteristics which differentiate the new species from its congeners. The other species found, Paramphilochus parachelatus Ishimaru & Ikehara, 1986 is a new record for Korean waters, previously known from Japanese waters. Both species are fully illustrated and compared with related species. A key to north Pacific Hourstonius species is provided.