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Rašeliniště Přebuz


The population of invertebrates is diverse thanks to the diversity of conditions on the site. 53 Hymenoptera species from 10 families were observed. Solitary species are widely represented. The biodiversity is made possible by the sandy substrate with disconnected vegetation, making it easy for insects to build their nests. Amophila Pubescenc and Ashy Mining Bee, two endangered species, are notably present. *** The pit tip is the home to 17 species of butterflies, including two endangered ones: Lulworth Skipper and Scarce Swallowtail. Molluscs are represented through three of the most common species: Grape Snail, White-lipped Snail and Heath Snail.

The Lulworth Skipper is on the Czech Invertebrate Red List as endangered species. The adult skipper has wings 25–28mm in length. The underlying colour of the top of the wings is light brown, with muted yellow spots. The forewing of male has a black line (of about 5mm). The underside of the wings is yellow; the forewings have muted yellow spots, rear wings have no markings. The butterfly occurs mainly on flowery edges of thermophilous oak forests, but it can be found also in limestones and – as you can see here – also on waste heaps. *** Only one generation of the butterfly hatches in a year. The caterpillar, immediately after hatching and – interestingly – without eating anything, it spins a cocoon in which it spends the winter. In the spring it bites its way out and starts grazing on young leaves of Heath False Brome.

The populations have dwindled in the past 50 years, mainly as a result of highly specific habitat requirements. To keep the population stable, it is recommended to let shrubs cover some of the locations. 

GPS position

N 50° 22.809', E 12° 36.264'



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Richard Žižka