[1] Univ Silesia Katowice, Inst Biol Biotechnol & Environm Protect, Fac Nat Sci, Bankowa 9, PL-40007 Katowice, Poland
[2] Mendel Univ Brno, Fac AgriSci, Dept Zool Fisheries Hydrobiol & Apiculture, Zemedelska 1, CZ-61300 Brno, Czech Republic
[3] Univ Palermo, Via Sandro Botticelli 15, I-90144 Palermo, Italy
[4] Serv Publ Wallonie, Dept Etud Milieu Nat & Agr, BE-5030 Gembloux, Belgium
[5] Czech Univ Agr, Fac Agrobiol Food & Nat Resources, Dept Plant Protect, CZ-16521 Prague 6, Suchdol, Czech Republic
[6] Univ Opole, Inst Biol, Oleska 22, PL-45052 Opole, Poland