Abstract
ABSTRACT In Brazil, the Caatinga ecoregion is the only biome that lies completely within the country, covering approximately 11% of the national territory. This biome exhibits a strong climatic seasonality that may affect the activity of its fauna. We aimed to assess the effects of seasonality on scorpion foraging activity in an area of hypoxerophytic Caatinga, located in the municipality of Caetés, Pernambuco. Scorpions were collected through active nocturnal searching using ultraviolet flashlights during the rainy (May, June, and July) and dry (September, October, and November) seasons in 2017. A total of 96 specimens were collected, belonging to the Buthidae and Bothriuridae families, comprising seven species, Ananteris sp., Tityus pusillus, T. stigmurus, T. neglectus, Jaguajir rochae, Bothriurus asper, and B. rochai. No differences in foraging activity (rainy season, n = 47; dry season, n = 49) were found between rainy and dry seasons. These findings indicate that the studied area has a high scorpion richness, emphasizing the importance of conserving the area, as these animals are sensitive to habitat changes. In addition, the lack of variation between seasons found in this work may reflect the ecotonal nature of hypoxerophytic Caatinga.
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