O. Merkl szerk.: Folia Entomologica Hungarica 68. (Budapest, 2007)

FOLIA ENTOMOLOGICA HUNGARICA ROVARTANI KÖZLEMÉNYEK Volume 68 2007 pp. 61-70. Anew species of Diplocolenus (Auchenorrhyncha: Cicadellidae) from the Eastern Carpathians A. OROSZ Hungarian Natural History Museum, H-1088 Budapest, Baross u. 13, Hungary. E-mail: orosz@zoo.zoo.nhmus.hu Abstract - Diplocolenus (Erdianus) beresi sp. n. (Auchenorrhyncha, Cicadellidae: Deltocephalinae) is described based on males and females from Rodna and Maramures Mountains, Romania. The new species is closely related to D. penthopitta (WALKER, 1851). Differentiating characters of D. beresi sp. n., D. penthopitta and D. quadrivirgatus (HORVÁTH, 1884) are presented. With 15 figures. Key words - Auchenorrhyncha, Membracoidea, Cicadellidae, Deltocephalinae, Diplocolenus, new species, Romania, Carpathians. INTRODUCTION The zoological exploration of the Carpathian Basin got a new impulse in the last few years. The faunistic investigation of the mountains neighbouring Hungary from the east, first of all the Maramures and Rodna Mountains, became a main centre of interest. After preliminary investigations and collecting trips, extensive collectings were carried out in the area within the frame of a joint project of the Vasile Goldis University, Arad (Romania) and the Hungarian Natural History Museum, Budapest (Hungary) in the years 2005 and 2006. The first results on various invertebrate groups were recently published in a thematic issue of Studia Universitatis "Vasile Goldis", Arad. In this publication, a checklist of the Auchenorrhyncha known from Maramures county was presented (OROSZ 2006). Several specimens of a species of Diplocolenus RlBAUT, 1946 (included as "Verdanus sp." in the above paper), collected in the last few years and three different localities in the Rodna Mountains, was found to differ from all known species of the genus. The species is described as new in this paper.