S. Mahunka szerk.: Folia Entomologica Hungarica 29/1. (Budapest, 1976)
to use only ethylene-glycol because this liquid guarantees the intact condition on the flies without decay for a month even in summer. A large square aluminium cover each is placed over the soil traps covered in most cases with forest litter (crumbling branches or with cut grass or sedge in accordance with the collecting place). First results of this work is given in the present paper. The materials collected in South and North Hungary are well supplemented by the soil trap and other materials , which the scientists of the Zoological Department of the HNHM caught in the Hortobágy National Park (E - Hungary). The specimens are preserved in vials in 70 per cent alcohol except for the minutiapinned specimens of the new species described below. The materials were collected with soil traps if not otherwise stated. Below the locality dats are given followed by the list of the species with remarks. 1. South Hungary (leg. Zs. Bajza - L. Papp) A: Aranyosgadány, boggy meadow, 24 April-18 May, 1973; B: ibid., 31 August-1 October, 1973; C: Aranyosgadány, cemetery, 2 Sept.-5 October, 1972; D: Pellérd, boggy meadow with high Carex spp., 2 September-5 October, 1972; E: ibid., in a Canadian poplar plantation, planted on boggy meadow; F: ibid., high Carex meadow with Fraxinus pennsylvanica; G: Szaporca, lake-shore, 2-30 August, 1973. North Hungary (leg. Zs. Bajza-L. Papp) H: Magyarkút, Börzsöny Mts., forest, 12 August-16 September, 1973; I: Bükk Mts., Sikfökut Project.oak forest, 9 May-7 June, 1973; J: ibid., 8 August-5 September, 1973. Hortobágy National Park HNP1: Egyek, Ohat forest, funnel extraction from moss on tree-trunk, 26 September, 1974, leg. S. & L. Mahunka; HNP2: Egyek, Ohat forest, 24 April, 1974, leg. Hámoriné; HNP3: Püspökladány, Ágotapuszta, Farkassziget, forest, 16. June, 1975, leg. S. & L. Mahunka; HNP4: ibid., sifted, 20 October 1975, leg. Hámoriné; HNP5: ibid., 4 September 1974 - 5 February 1975, leg. S. & L. Mahunka; HNP6: Ujszentmargita, forest, 11 July, 1975, leg. Hámoriné-Marótiné; HNP7: ibid., 23 Oct., 1975, leg. Hámoriné; HNP8: ibid., 19 June, 1975, leg. Kaszab; HNP9: ibid., 24 April, 1975, leg. Hámoriné-Marótiné; HNP10: ibid., fringe of the forest, 23 Octobe 1975, leg. Hámoriné; HNP11: ibid., reedy part, sifted, 21 April, 1975, leg. Horvatovich; HNP12: Balmazújváros, Darassa, 4 February, 1975, leg. S. & L. Mahunka; HNP13: Nagyhegyes, Vajdalapos forest, 7. July, 1975, leg. Bámoriné-Marótiné.