ABSTRACT

This study was carried out to contribute to distribution of freshwater isopods in Marmara Region (including Gökçeada and Bozcaada islands) of Turkey. For this aim, it was evaluated the material which was sampled during the years 1991, a nd 1998-2002 in a total of 37 localities from different water resources in the region. End of the study, it was observed that Asellus aquaticus (L.) Racovitza, 1919 is a very common species in the area. Furthermore, subspecies and intersex forms belonging Asellus aquaticus were recorded in some localities.