Report of Akabosia matsudoensis Kinoshita (Collembola; Paronellidae) from Korea,with notes on the Korean aquatic springtail fauna

A hygrophilous collembolan species, Akabosia matsudoensis is redescribed and illustrated with a list and key to other aquatic fauna belonging to Entomobryoidea from Korea. Specimens inhabiting the damp area near a creek were collected with hand net and aspirator. This species is characterized by the absence of scale, having 2 + 2 macrosetae on the vertex of the head, 2 feathered prelabial setae, dens crenulated and the base of mucro with bladder like appendage. Genus Akabosia reported only one species, A. matsudoensis, that was originally recorded in Japan; Korea is the second recorded country and it is the only Paronellidae from Korea.