Zróżnicowanie zgrupowań Uropodina (Acari: Mesostigmata) wybranych rezerwatów Wielkopolski

The studies have been carried out in three selected forest reserves: “Bytyńskie Brzęki”, “Brzęki przy Starej Gajówce” and “Huby Grzebieniskie” (western Wielkopolska). Material consists of the qualitative and quantitative soil samples collected during the period of study in each of reserves. Assessments of frequency, structure of dominance in Uropodina community on studied areas and similarity of their uropodid mites communities have been made. The highest number of Uropodina (15 species) has been noticed in “Huby Grzebieniskie” reserve with domination of Oodinychus ovalis. The community of uropodid mites in “Bytyńskie Brzęki” consisted of 13 species. One rare interesting species – Cilliba sp. 2 and merocenotic species like Apionoseius infirmus and Polyaspis sansonei were also found. “Brzęki przy Starej Gajówce” reserve appeared to be the poorest in uropodid fauna(only eight species was found)