EN
Four Palearctic species of the genus Microchelonus Szépligeti, 1908 with very small apical raetasomal aperture in males are reviewed. Both the male and the female of Microchelonus minifossa Tobias, 1986 and M. luzhetzkji (Tobias, 1966) are redescribed. Males of two species (females unknown), M. vickae sp. nov. and M. gracitis sp. nov., are described from Central Europe (Czech Republic).