Abstract: László GALLÉ, Henrietta MÉSZÁROS, Gréta ZOVÁNYI, Hajnalka GYŐRI-DÜRGŐ, Bálint MARKÓ & Klára Kiss Prof. Dr. László Gallé (contact author), Henrietta Mészáros, Gréta Zoványi, Hajnalka Győri-Dürgő, Department of Ecology, University of Szeged, Szeged, POB. 51, H-6701 Hungary. E-mail: galle@bio.u-szeged.hu Dr. Bálint Markó, Department of Taxonomy and Ecology, Babeş Bolyai University, str. Clinicilor 5–7, 400006, Cluj Napoca, Romania. E-mail: mbalint@biolog.ubbcluj.ro Klára Kiss, Department of Horticulture, Sapientia University, Sighişoarei 1/C, 547367, Tîrgu Mureş / Corunca, Romania. E-Mail: kiss.klara@gmail.com Myrmecol. News 10: 105 One of the most important tasks of contemporary nature conservation is to monitor the man-induced and natural state transformations in different habitats and in their biota. There are two main philosophies of monitoring. By the first one animals or plants are used as instruments to detect the changes in their environment. The second is a more ecological approach, where the states of the populations and / or communities are in the focus…