EWA B. MIAŚKIEWICZ-PĘSKA* and TOMASZ SŁOMCZYŃSKI Department of Biology, Faculty of Building Services, Hydro and Environmental Engineering, Warsaw University of Technology, Warsaw, Poland *Corresponding author: E. Miaśkiewicz-Pęska, Department of Biology, Faculty of Building Services, Hydro and Environmental Engineering, Warsaw University of Technology, Warsaw, Poland; e-mail:...