Two new species of Laboulbeniales Lindau are described: Distolomyces euxinus W.Rossi & Mishustin, sp. nov., occurring on Labidura riparia Pallas from Georgia and Ukraine, and Rhachomyces cimmeritei W.Rossi & Mishustin, sp. nov., occurring on Cimmerites spp. from Russian Federation. Several new records are reported from countries surrounding the Black Sea: 21 from Georgia, 13 from Ukraine, three from Moldova, three from Turkey, two from Russian Federation and one from Romania. Unpublished records from Afghanistan, Azerbaijan, China, Germany, Greece, Kazakhstan, Kyrgyzstan, Mongolia, Nepal, Oman, Sweden, Switzerland and Turkmenistan are also reported. The recently proposed split of the genus Stigmatomyces H.Karst. is rejected and the synonymy between Gloeandromyces Thaxt. and Stigmatomyces is suggested.
Central Asia, Georgia, Ukraine, Laboulbeniomycetes, Distolomyces, Rhachomyces, Stigmatomyces, new synonym, new records, new species