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The life expectancy of adult butterflies is highly diverse. Substantial variation may be found among closely related species, and even on the intraspecific level, where it could be associated with sex, genetic differentiation, diet and weather conditions. We compared the demographic parameters of populations of the regionally endangered Boloria eunomia butterfly living in two different habitats. Across...
Przeplatka aurinia Euphydryas aurinia jest zagrożonym gatunkiem motyla dziennego, którego gąsienice w Polsce żerują wyłącznie na czarcikęsie łąkowym Succisa pratensis rosnącym na wilgotnych łąkach. W latach 2013-2014 we wschodniej części Puszczy Knyszyńskiej (okolice Kruszynian i Łosinian) znaleziono cztery stanowiska przeplatki aurinii będące jednocześnie najdalej na północ wysuniętymi lokalizacjami...
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