Abstract
A careful analysis of samples of pseudoscorpions (Neobisiidae, Pseudoscorpiones) from two underground habitats, one near Trebinje (Herzegovina) and the other from the National Park Paklenica (Croatia), has yielded two species of the genus Roncus L. Koch new to science, Roncus tribunus n. sp. and R. argyrunti n. sp. Both new species are described thoroughly, illustrated, and diagnosed. Some biogeographical and evolutionary characteristics of the two taxa are briefly discussed.
Highlights
There exists no deeper karst than that situated in Dalmatia, Herzegovina and Montenegro
The study of pseudoscorpions in such underground habitats, a fauna whose composition is the result of a long and complicated history, enables us to evaluate the importance of the influence of long geomorphological isolation on the development of cave biota
Because of the age of these caves, different groups of pseudoscorpions have enjoyed the possibility of uninterrupted development and autochthonous differentiation
Summary
There exists no deeper karst than that situated in Dalmatia, Herzegovina and Montenegro. Because of the age of these caves, different groups of pseudoscorpions have enjoyed the possibility of uninterrupted development and autochthonous differentiation. Such long isolation must have directed evolution towards greater ecological differentiation within the framework of the cave system (Ćurčić, 1988). The specimens of Roncus from Herzegovina turned out to be a new species, Roncus tribunus n. Sp., and a specimen of the genus from Croatia represents another new species — Roncus argyrunti n. Some taxonomic, biogeographical, and evolutionary traits are briefly discussed
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