TAXONOMY OF FASCIOSMINTHURUS (COLLEMBOLA, SYMPHYPLEONA, BOURLETIELLIDAE), WITH DESCRIPTIONS OF 2 NEW EUROPEAN SPECIES

The taxonomy of Fasciosminthurus (Collembola, Symphypleona, Bourletiel lidae) is reviewed. Two Fasciosminthurus species are redescribed, F. s auteri (Nayrolles & Lienhard, 1990) and F, virgulatus (Skorikow, 1899) , and two new species, F. saportae sp. n, and F. pseudovirgulatus sp, n., are described. Fasciosminthurus virgulatus and F. pseudovirgulatus display similar colour patterns. They can be distinguished by presenc e vs absence of a pair of flecks on the head and chaetotaxy of the thi rd antennal segment. A key to species and comments on taxonomic charac ters and biogeography are provided. It is proposed that F, virgulatus and F. pseudovirgulatus sp. n. are allopatric sister species. (C) 1997 The Norwegian Academy of Science and Letters.