title: First record of the littoral family Isotogastruridae (Collembola) in Asia.
abstract: The new species Isotogastrura trichaetosasp. n. isdescribed from a sand beach of Hainan, South China. It differs from all its congeners by 3+3 axial setae on Abd. IV (vs. 2+2) and by the presence of a pair of tubercles on Abd.VI. The geography of this strictly littoral genus is discussed.
authors.affiliation: Moscow State Pedagogical University, Kibalchich str., 6, korp. 5, Moscow, 129278 Russia.
authors.forename: Mikhail B
authors.initials: MB
authors.lastname: Potapov
authors.forename: Yun
authors.initials: Y
authors.lastname: Bu
authors.forename: Yan
authors.initials: Y
authors.lastname: Gao