S. Mahunka szerk.: Folia Entomologica Hungarica 56. (Budapest, 1995)
with the following individual numbers: 3 dd , 1 d and 4 dd , respectively, a total of eight males (worthy to note that not a single female was captured). The species is distributed in North and Central Europe, in Hungary not frequent though locally occurs in higher numbers. According to the literature its flying period extends to September - October. A. abdominalis represents one of the few sawfly species whose foodplant is the leaves of oak (Quercus robur) (Zombori 1982: 74). These ecological characteristics coincide with the trapping results in Síkfőkút. Besides Qu. robur the foodplant of its larva is, supposedly, also Qu. petraea which oak species belongs to the standard tree component of the Table 4. Height and time of collecting data of the Pompiloidea species in 1987 Species of Pompiloidea Quercetum petraeae-cerris Festucion 25-27 m 12-14 m 0-3 m 0-1 m Agenioideus cinctellus (Spinola, 1808) 09.18 1 d Agenioideus sericeus (van der Linden, 1827) 07.16 1 d Arachnospila minutula (Dahlbom, 1842) 05.11 1? Auplopus carbonarius (Scopoli, 1763) 06.18: 1 d 08.13: 1 d 09.01 1? 08.21: 1? 08.26: 1 ? 09.22 1? Auplopus rectus (Haupt, 1927) 05.19: 1 ? Caliadurgus fasciatellus (Spinola, 1808) 08.09: 1 d 08.11 1? Dipogon bifasciatus (Fourcroy, 1785) 08.18 1 d Dipogon monticolusWahis, 1972 08.09: 1 d 06.16 1 d 06.21: 1 d 08.18: 1 d 08.19 1 d 08.23: 1 d 09.06 1 d Dipogon subintermedius (Magretti, 1886) 06.19: 1 d 04.13 Id 05.10: 1 d 05.29 1 d 08.23: 1? 06.17 Id 20: 1 d 06.12 2d 08.12 1? 06.06: 1 d 22 1 d 08.22 1 d 13: 1 d 23 1 d 08.31 1 d 14: 1 ? 25 1? 09.05 1? 15: 1 ? 07.05 :1? 09.14 1 d 19: 1 ? 23 id 20: 1 d 08.25 1? 21: 1 ? 10.06 2? 24: 1 Ç 07 1? 08.09: 1 d 10: 1? 11: 1 ? 18: 1 d 19: 1 ? 21: 1 d 26: 1 ? 09.02: 2 d 06: 1 d 15: 1 ? 20: 1 ?
