Rare and new Laboulbeniales from Poland. XI

Ten species of order Laboulbeniales (Ascomycotina), collected for the first time in Poland by the author, are reported. Four species are new for science: Cryptandromyces bibloplecti on Bibloplectus ambiguus (Reich.) (Coleoptera, Pselaphidae), Laboulbenia atroseptata on Rugilus erichsoni Fauv. (Col., Staphylimdae), Monoicomyces matthiatis on Platystethus arenarius (Fourcr.) (Col., Staphylinidae) and Stigmatomyces biformis on Leptocera spinipennis Hal. (Diptera, Sphaeroceridae), Monoicomyces infuscatus Speg. and Stigmatomyces platensis Speg. were found for the first time in Europe