A new species of Bollegidia (Amphipoda, Bogidiellidae sensu lato) from Kushimoto coast, central Japan

Bollegidia takedai sp. nov. (Crustacea: Amphipoda: Bogidiellidae sensu lato) is described, based on specimens collected from Kushimoto coast in Wakayama Prefecture, central Japan. This new species is the third species in the genus Bollegidia Ruffo, 1974, which includes B. sootai (Coineau & Rao, 1972) from the Andaman and Nicobar Islands and B. capensis Ruffo, 1974 from South Africa. Bollegidia takedai differs from its congeners in an expanded palp article 2 of mandible, the presence of a setal row on the medial surface of gnathopod 2 and the shape of the pleopods, especially in male pleopod 1 with a complex membranous structure and male pleopod 2 with a 3-articulate ramus.