S. Mahunka szerk.: Folia Entomologica Hungarica 63. (Budapest, 2002)

FOLIA ENTOMOLOGICA HUNGARICA ROVARTANI KÖZLEMÉNYEK Volume 63 2002 pp. 43^18. New and rare stoneflies (Plecoptera) from Hungary T. KOVÁCS, A. WEINZIERL and A. AMBRUS Abstract: Two Plecoptera species are reported from Hungary for the first time: Isoperla difformis and Rhabdiopteryx acuminata. New localities of 12 stoneflies species being rare in Hungary are also given. Key words: Plecoptera, Hungary, faunistics, distribution INTRODUCTION This paper provides locality data of a part of the material deposited in the Mátra Museum, Gyöngyös, Hungary (MM) that was collected in the last decade, and the still unpublished and revised data of specimens found while looking through the collection of the Hungarian Natural History Museum of Budapest (HNHM). Abbreviations: AA=Ambrus András, BK=Bánkuti Károly, BS=Bérces Sándor, CsB=Csányi Béla, IT=Ilonczai Tamara, JP=Juhász Péter, sKT=senior Kovács Tibor, KT=Kovács Tibor, KV=Kavrán Viktória, LSz=Lengyel Szabolcs, OP=01ajos Péter, TI=Turcsányi István, TL=Tóth László, US=Ujhelyi Sándor. RESULTS Larvae of Dinocras species are quite difficult to identify. Therefore in the list of data the name Dinocras cephalotes-megacephala complex is applied. The following species deserve special attention because the new data greatly differ from our previous knowledge on their distribution in Hungary: Diura bicaudata (Linnaeus, 1758) - This species has been known from Börzsöny Mountains and Mátra Mountains (Újhelyi 1969, Kovács 2000). The speci-