Melita choshigawaensis sp. n., holotype, male, BL 5.3 mm, NSMT-Cr 25826, Choshi River, Kihoku, Mie Prefecture, Japan. A–C dorsal margins of pleonites 1–3, dorsal views D dorsal margin of urosomite 2, dorsal view E–G epimeral plates 1–3, lateral views H right antenna 1, medial view, some articles of main flagellum omitted I accessory flagellum of right antenna 1, medial view J right antenna 2, medial view, some articles of flagellum omitted K upper lip, anterior view L left mandible, medial view M incisor, lacinia mobilis, and accessory setal row of left mandible, medial view N incisor, lacinia mobilis, and accessory setal row of right mandible, medial view O lower lip, ventral view P right maxilla 1, anterior view Q palp article 2 of left maxilla 1, posterior view R left maxilla 2, anterior view S left maxilliped, anterior view.