Ślepaki (Diptera, Tabanidae) Puszczy Boreckiej w północno-wschodniej Polsce

27 Tabanidae species occur in Puszcza Borecka. Most of them are common European species. Rare forms occuring there are: Chrysops divaricatus, Hybomitra tarandtna, H. auripila, H. nitidifrons, H. montana, H. clureai, Tabanus spodopterus i Haematopota scutellata. Chrysopian flights in the forests take place from the end of May until mid-August, with a peak in mid-July. The insects are most active at noon. The highest abundances of Tabanidae have been recorded in mixed forests, the lowest in dry felling sites.