Abstract
New species of Stigmatomyces (Ascomycetes, Laboulbeniales) parasitic on Italian Diptera. – Three new Laboulbeniales parasitic on Italian Diptera are described: Stigmatomyces asteiae, parasitic on Asteia amoena Meig. (Asteiidae), Stigmatomyces athyroglossae, parasitic on Athyroglossa glabra (Meig.) (Ephydridae), and Stigmatomyces geomyzae, parasitic on Geomyza tripunctata Fall. (Opomyzidae).