Rhithrogena grischuna nov. sp., a new mayfly species from eastern Switzerland related to Rh. hercynia Landa, 1969 (Ephemeroptera ; Heptageniidae)
and
Annls Limnol., 24 3 (1988) 261-268
Published online: 15 August 2009
DOI: 10.1051/limn/1988022