Authors
Oleg P. Negrobov
Voronezh State University, Voronezh
Ľuboš Hrivniak
Biology Centre CAS, Institute of Entomology, Faculty of Sciences, University of South Bohemia, Budějovice
Jozef Oboňa
Department of Ecology, Faculty of Humanities and Natural Sciences, University of Prešov, Prešov, Slovakia