Reference

Ryszard Sowa, Peter Weichselbaumer (1988): Description of Rhithrogena austriaca sp. n. and a complementary description of R. vaillanti SOWA & DE-GRANGE 1987 from Austria (Ephemeroptera, Heptageniidae). – Ber.naturw.-med.Ver.Innsbruck – 75: 171 - 176.