Perliminary studies on the distribution of Large Golden Ringed Dragonfly (Cordulegaster heros Theischinger, 1979) and Golden Ringed Dragonfly (Cordulegaster bidentata Sélys, 1843) in the Kőszeg-mountains

Rozner, György and Lőkkös, Andor and Ferincz, Árpád (2010) Perliminary studies on the distribution of Large Golden Ringed Dragonfly (Cordulegaster heros Theischinger, 1979) and Golden Ringed Dragonfly (Cordulegaster bidentata Sélys, 1843) in the Kőszeg-mountains. Folia historico-naturalia Musei Matraensis, 34. pp. 37-40. ISSN 0134-1243

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Abstract

In former studies the occurrence of C. bidentata was reported from the Kõszeg Mountanins, Bakony Mountains and Northern Mountains, C. heros was found in the Mecsek, the Sopron Mountains, the Õrség and nowadays it has been observed in the Zselic Hills. In the years 2008 and 2010 our examinations confirmed the occourence of C. heros also in several waterflows of Kõszeg Mountains. This data provides an important piece of information considering the distribution of the species, and that was the first evidence of the co-occurrence of the two species in Hungary. The two species occupies different parts of water courses according to their different ecological requirements.

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