Results are presented of studies in Roztoczański National Park (SE Poland) on species composition, abundance and frequency of selected fungus-gnats. 89 species of Mycetophilidae s.l. (excl. Mycetophilinae) from six different forest-plant communities were recorded. 12 species are new to the Polish fauna.
The March flies (Diptera, Bibionidae) of the Świętokrzyskie Mountains, especially of the Świętokrzyski National Park were investigated. Thirteen species were recorded, one of which, Dilophus neglectus Haenni, 1982 is new to the Polish fauna.
In 1986-1990 the faunlstical investigations were carried out in Roztocze - geographical region in SE Poland. Assumptions, purposes, methods as well as the list of the examined high taxons, investigated habitats and localities were presented.
In 2010–2011 a field plot experiment was conducted to determine the effectiveness of tebuconazole and thiophanate-methyl in reducing the severity of Fusarium ear blight on winter wheat. The effect of fungicides on changes in the community structure of filamentous fungi colonizing wheat grain was also analyzed. Reduction in the linear growth of Fusarium culmorum was estimated under in vitro conditions. In the second year of the studies, as a Fusarium ear blight occurred at epidemic level, the disease was effectively controlled with tebuconazole and thiophanate-methyl. In 2010, less abundant communities of Fusarium fungi were isolated from the grain of wheat plants protected with tebuconazole and thiophanate-methyl, as compared with the control treatment. Tebuconazole inhibited the growth of the epiphytic species F. culmorum, whereas thiophanate-methyl exerted an inhibitory effect on F. poae. Under in vitro conditions, the linear growth of F. culmorum colonies was inhibited by tebuconazole.