Affiliation: | aDepartment of Forest Pathology, Faculty of Forestry, PL 31-425 Kraków, Poland;bInstitute of Forest Entomology, Forest Pathology and Forest Protection, UNI-BOKU Vienna, A-1190 Vienna, Austria;cFederal Biological Centre (BBA), Institute for Plant Protection in Forests, D-38104 Braunschweig, Germany |