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Contribution to the knowledge of Butterflies (Lepidoptera: Rhopalocera) of Bansko Brdo

Bansko brdo is an elongated plateau located in the north-eastern region of Baranja (east Croatia), near the border with Hungary. During the last two years, surveys of butterflies were carried out on 10 localities. The localities were divided into two groups, 5 on the north-eastern side of the hill and 5 on the south-western side. In total, 65 species were recorded, 13 of which are new records of Bansko brdo. A far greater number of specimens were recorded on the north-eastern side, 1014, in comparison with 262 on the south-western side, meaning 74% more butterflies. This is probably due to the seminatural habitats that are still present in the north-eastern side, including meadows, forest edges and vineyards, while the southern side is crisscrossed with forests and fields with only a small proportion of meadows remaining. On Bansko brdo Euro Siberian species are prevalent. During this survey we did not record 12 species previously recorded, which may be an indication of the changing butterfly diversity. As this is one of last natural habitats in Baranja, it should be protected from further degradation in the near future.

Butterflies; fauna; Baranja; Croatia

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