Uherkovich Ákos: A Dráva mente állatvilága II. (Dunántúli Dolgozatok Természettudományi Sorozat 9., 1998)

Ábrahám L.: A Duna-Dráva Nemzeti Park recésszárnyú-alkatú (Megaloptera, Raphidioptera, Neuroptera) faunájának természetvédelmi vizsgálata, II. - Natural protection studies on the neuropteroids (Megaloptera, Raphidioptera, Neuroptera) fauna of the Duna-Dráva National Park, Hungary II.

284 DUNÁNTÚLI DOLGOZATOK (A) TERMÉSZETTUDOMÁNYI SOROZAT 9. (1998) Fig. 9. Distribution of Chrysopa dorsalis in Hungary. 9. ábra. A Chrysopa dorsalis hazai elterjedése. Some present characteristics of species along the Dráva may have something in common with the role the Dráva river plays as an ecological corridor. The presence of the single population of Aleuropteryx jmiperi in Hungary is also remarkable (Darány, Tótújfalu). The large population of Myrmeleon bore in the national park (Bélavár - Drávasztára) is worth paying attention. From the point of view of distribution the occurrence of Osmylus fulvicephalus is very interesting, because the data show (Fig. 1.) that the semiaquatic larvae live only in mountain creeks (Őrtilos, Zákány, Porrogszentkirály, Somogyudvarhely) and at the same time the species is absent from the small running waters of Inner Somogy and the Dráva Plain. Some species that are known to be found in mountainous area were similarly appeared along the river Dráva: Drepanepteryx phalaenoides, Hemerobius marginatus (Fig. 3.), Sympherobius klapaleki (ÁBRAHÁM 1995, Fig. 5.), Nothochrysa fulviceps, Hypockrysa elegáns (Fig. 7), Nineta inpunctata (ÁBRAHÁM 1995, Fig. 4.). The distribution of this type of species is promoted by river valleys. It is important to mention some faunistical elements of interest in the hilly area between Órtilos and Gyékényes that were not yet found in other areas of the national park: Phaeostigma major, Sympherobius klapaleki, Nothochrysa fulviceps, Nineta guadarramensis. These species further increase the number of species of mediterranean distribution known primarily from phytogeographical studies. The nearest point of occurrence lies on the southern slopes of the Mecsek Mountains.