Contribution to the taxonomy of Est-European species of the Ecdyonurus helveticus-group (Ephemeroptera, Heptageniidae)

Authors / Contributors:
Daniel Hefti, Ivan Tomka
Place, publisher, year:
1988
Contained in:
Mitteilungen der Schweizerischen Entomologischen Gesellschaft, 61(1988), S. 329-337
Format:
Article
ID: 102847533