Re-appearance of Palingenia longicauda (Olivier, 1791) (Ephemeroptera, Palingeniidae) on the Hungarian Danube section – range recovery of the species at the Rába-district

Málnás, Kristóf and Ambrus, András and Müller, Zoltán and Tóth, Ádám Péter and Kiss, Béla (2016) Re-appearance of Palingenia longicauda (Olivier, 1791) (Ephemeroptera, Palingeniidae) on the Hungarian Danube section – range recovery of the species at the Rába-district. Folia historico-naturalia Musei Matraensis, 40. pp. 21-25. ISSN 0134-1243

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Abstract

Swarming long-tailed mayflies (Palingenia longicauda) were observed above the former rehabilitated Gönyû-sidearm of the river Danube on the 12–13th of June 2015, which was the first observation of the species at the Hungarian Danube section, since its disappearance. Both subimago molts of the males, and females doing their compensation flight were observed, thus development of the long-tail mayflies seems to be locally certain. Description of the swarming and summarized evaluation of the conservationtrends of the long-tailed mayfly at the Rába-district are added below.

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