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FAUNA OF HARD TICKS (ACARI: IXODIDAE) IN DIFFERENT HABITATS IN CROATIAN PART OF BARANJA FAUNA TVRDIH KRPELJA (ACARI: IXODIDAE) RAZLIČITIH STANIŠTA U HRVATSKOM DIJELU BARANJE Stjepan KRČMAR, Marija VEREŠ, Tomi TRILAR Summary In 5 different habitats in the Croatian part of Baranja in the surroundings of the city Beli Manastir, in the period from March to October 2013, 1254 specimens of hard ticks were collected using the flag dragging method, whereas 240 specimens were collected by hand from pets. Five tick species were identified from collected sample: Dermacentor marginatus (Sulzer, 1776), Dermacentor reticulatus (Fabricius, 1794), Haemaphysalis concinna (Koch, 1844), Haemaphysalis inermis (Birula, 1895) and Ixodes ricinus (Linnaeus, 1758). In the forest habitats at the locality Haljevo, the highest number (80.45 %) of hard ticks was sampled. The most abundant species was Ixodes ricinus with 65.93 %. The highest number (55.49 %) of ticks were sampled in the developmental stage of larvae. In the developmental stage of larvae Haemaphysalis concinna was represented with 94.71 %, Ixodes ricinus with 38.48 % and Haemaphysalis inermis with 6.90 %. The highest number of hard ticks larvae 71.53 % was sampled in July, whereas the highest number of adults 58.50 % was sampled in April. Haemaphysalis inermis was found for the first time on the area of continental part of Croatia. Key words: hard ticks, Ixodidae, Beli Manastir, Baranja, Croatia Introduction Uvod Hard ticks (Acari: Ixodidae) are of primary importance as blood-feeding ectoparasites (Jaenson and Jensen 2007). In many areas of the world, hard ticks are considered the most common and most important ectoparasites that infest pets (Xhaxhiu et al. 2009, Krčmar et al. 2014). Hard ticks are medically the second most important group of arthropods after mosquitoes (Estrada-Pena and Jongejan 1999, Jaenson and Jensen 2007). Aproximatelly 10% of the currently known 720 species act as vectors of pathogens (Milutinović and Radulović 2002, Farkaš et al. 2013). In Croatia, the comprehensive studies on the tick fauna were made in second half of twentieth century along the Adriatic coast. In that period Prof. Dr. Davor Mikačić presented the distribution and dynamics of hard ticks along the Adriatic coast (Krčmar 2012). During the 1970s and 1980s prof. dr. Danica Tovornik studied the diversity of tick fauna from the ecological point of view on many islands in the Adriatic Sea (Krčmar 2012). However, there are some regions in inland of Croatia that have not yet been sufficiently studied, one of these regions is eastern part of Croatia (Slavonia and Baranja). On the area of eastern Croatia (Slavonia and Baranja), only |