The sites are described at which ten species of <i>Laboulbeniales</i> were found. Five species are new to science: <i>Corethromyces niger</i> found on a beetle of the <i>Catopidae</i> family, <i>Dioicomyces myrmecophilus</i> on a representative of <i>Colydiidae, Misgomyces annae</i> and <i>M. flexus</i> on representives of <i>Ptiliidae</i> and <i>Stichomyces europaeus</i> on a representative of <i>Staphylinidae</i>. The remaining species are new for the flora of Poland.