[Josefilaria mackerrasae gen. et sp. nov. (Nematoda: Filarioidea) a parasite of the ghost bat Macroderma gigas Dobson (author's transl)].

Josefilaria mackerrasae n. gen., n. sp., a filarial of the ghost bat Macroderma gigas in Australia is described. This filarioid has affinities with the genus Litomosa, but it can be separated by a variety of both more highly evolved characters (buccal capsule reduced to a pre-oesophageal ring; external lateral papillae absent) and primitive characters ("caudal alae" of the male, long and divided oesophagus, vulva not far from the nerve ring, numerous caudal mucrons of the female).