Traditional species delimitation only based on morphological diagnostics does not fully meet
the needs of modern taxonomy. Cryptic diversity revealed by molecular evidence has been …

Ceratophysella Börner, 1932 is the second largest genus of the family Hypogastruridae and
contains 146 species from all over the world, with nine species reported from Iran …

This species is distinguished from other members of the denticulata-group by the following
combination of characters: 8+ 8 ocelli, eversible sac between antennal segments III-IV …

Laboratory hybridisation studies were performed of the springtail species Ceratophysella
denticulata, C. engadinensis, C. stercoraria, C. mosquensis, C. impedita and Schaefferia …

Morphological and laboratory hybridization studies were performed on the problematic
springtail species Ceratophysella granulata and C. silvatica. The studies revealed that the …

DIAGNOSIS This species is distinguished from other members of the denticulata-group by
the following combination of characters: dorsal part of the body greyish-brown, ventral part …

Phenotypic dimorphism of four species of the genus Proisotoma s. str. is described. The
modified specimens are characterized by protruding corneas of eyes, stronger pigmentation …

The possibilities of hybridisation between two problematic species S. emucronata and S.
willemi under natural and experiment conditions were studied. Field studies showed, that …

The results of recent laboratory hybridization studies on the ceratophysellan lineage species
are synthesized, and their impact on the taxonomy of this lineage is discussed. The …

The problematic species Ceratophysella lucifuga (Packard) is redescribed based on
topotypes from Wyandotte Cave and specimens from two other caves of the south-central …