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Rhithrogena grischuna nov. sp., a new mayfly species from eastern Switzerland related to Rh. hercynia Landa, 1969 (Ephemeroptera ; Heptageniidae)

Published online by Cambridge University Press:  15 August 2009

M. Sartori  and
R. Oswald
M. Sartori
Affiliation:
Musée zoologique, Pl. Riponne 6, C.P. 448, CH-1000 Lausanne 17, Switzerland
R. Oswald
Affiliation:
Zoologisches Museum, Universität Zürich, Winterthurerrstrasse 190, CH-8057 Zürich, Switzerland
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Abstract

A new species, Rhithrogena grischuna nov. sp., is described at all stages (imagines, subimagines, nymphs and eggs) from material collected in eastern Switzerland. This species belongs to the hybrida group, and is related to Rh. hercynia and allied species, for which we propose a new group, the hercynia group, characterized by the presence of dark spots on the upper face of the femora, both in imaginal and larval stages. Some ecological and biocoenotic data on Rh. grischuna are also given.

Keywords

Ephemeropteranew speciesRhithrogenaHeptageniidaeSwitzerlandEphemeropteraespèce nouvelleRhithrogenaHeptageniidaeSuisse
Type
Research Article
Information
Annales de Limnologie - International Journal of Limnology , Volume 24 , Issue 3 , 1988 , pp. 261 - 268
Copyright
© Masson, 1988

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