S. Mahunka szerk.: Folia Entomologica Hungarica 49. (Budapest, 1988)

1959). The comparison of larvae, subimagos, males and females occurring in the same place and a revision of bigger materials probably would result in several species new for the Hungarian fauna, perhaps even for science. REFERENCES ANDRIKOVICS, S. and HADNAGY, T. (1988): Winter macrofaunistic investigations along the Apátkuti Stream (Visegrádi Mountains, Hungary). - Annal. Univ. Sei. Budapest, Sect. Biol, (in print). ELLIOT, J. M. and HUMPES, U. M. (1983): A key to the adults of the British Ephemeroptera with notes on their ecology. - Freshw. Biol. Ass., 47. 101 pp. ILLIES, J. (1955): Steinfliegen oder Plecoptera. - Tierwelt Deutschland, 43, 150 pp. KIS, B. (1974): Plecoptera. - Fauna Rep. Soc. Romania, 7, 273 pp. LANDA, V. (1969): Jepice - Ephemeroptera. - Fauna CSR, Praha, 18, 349 pp. MALZACHER, P. (1984): Die europaischen Arten der Gattung Caenis Stephens (Insecta, Ephemeroptera). - Stuttg. Beitr. Naturk., Ser. A. Nr. 373: 1-48. MÜLLER-LIEBENAU, I. (1969): Revision der europäischen Arten der Gattung Baetis Leach, 1815 (Insecta, Ephemeroptera). - Gewäss. Abwäss., 48/49: 1-124. SIMONY1, P. (1981): Kisérlet egy patak ökológiai viszonyainak térképi ábrázolására (An attempt of map-like representation of ecological conditions along a rivulet). - Diploma work ELTE, 116 pp. (manuscript). SOWA, R. (1971): Ecdyonurus starmachi sp, n. et E, submontanus Landa des Carpates polonaises (Ephemeroptera, Heptageniidae). - Bull. Acad. Pol. Sei. (ser. biol. ), 19, 6: 407-412. SOWA, R. (1984): Contribution a la connaissance des espèces européennes de Rhithrogena Eaton (Ephemeroptera, Heptageniidae) avec le rapport particulier aux aspenes des Alpes et des Carpates. - Proc. 4th Internat. Conf. on'Ephemeroptera (Bechyne): 37-52. STEINMANN, H. (1968): Álkérészek - Plecoptera. - Magyarország Állatvilága (Fauna Hungáriáé), 5, 92, 185 pp. ÚJHELYI, S. (1959): Kérészek - Ephemeroptera. - Magyarország Állatvilága (Fauna Hungáriáé). 5, 49, 96 pp. ÚJHELYI, S. (1966): The mayflies of Hungary, with the description of a new species, Baetis pentaphlebodes sp. n. (Ephemeroptera). - Acta zool. hung., 12. (1-2): 203-210. ÚJHELYI, S. (1969): Data to the knowledge of the distribution of stoneflies (Plecoptera) in Hungary. - Opusc. zool., Bpest, 9, 1: 171-182. Author's address: Dr. S. ANDRIKOVICS Zoosystematical and Ecological Institute Eötvös Loránd University Puskin u. 3 H- 1088 Budapest HUNGARY