Chthonius (Chthonius) carinthiacus and Chthonius (Ephippiochthonius) tuberculatus new to the fauna of Slovakia (Pseudoscorpiones: Chthoniidae)

The pseudoscorpions Chthonius (Chthonius) carinthiacus Beier, 1951 and Chthonius (Ephippiochthonius) tuberculatus Had i, 1937, are recorded for the first time from Slovakia. An illustrated description of these species is provided based on their morphological and morphometric characters. The descriptions of the species offer an update on the variability of their morphological and morphometric characters.