Helminths of the Eastern Tree Frog, Hyla orientalis, Bedriaga, 1890 (Anura: Hylidae), collected from Denizli Province, Inner-West Anatolia Region, Turkey

In this investigation, Hyla orientalis (eastern tree frog) was collected in different localities from Denizli province (Inner-west Anatolia Region — the eastern part of Aegean Region) Turkey, between 2008 and 2011 and examined for the first time for helminths. Also, this study contains first detailed SEM imaging attempt of the some amphibian helminths from Turkey. Of 17 Hyla orientalis 8 (47.05 %) were infected with one or more helminths. Hyla orientalis harbored one species of Monogenea 1 (Polystoma skrjabini), one species of Digenea (Pleurogenoides medians), three species of nematoda (Oswaldocruzia filiformis, Cosmocerca ornata and Abbreviata sp.), and one species of Acanthocephala (Acanthocephalus ranae). All helminths recorded first time for Hyla orientalis.