Die Libellenfauna des Grotmoores (Kreis Segeberg)

The dragonfly fauna of Grotmoor (Segeberg district, Schleswig-Holstein) has been mapped on the basis of records of adults during 23 site visits between June and October 2021. Seven water bodies (including two diches) and three terrestrial habitats were investigated. Including historical data, 36 species were determined. Of these 27 are possibly, probably or definitely breeding on site. Ten of the 36 recorded species are listed in the Schleswig-Holstein red data book. Of these species Lestes virens, Ceriagrion tenellum, Aeshna juncea, Aeshna subarctica, Leucorrhinia dubia, Leucorrhinia pectoralis and Leucorrhinia rubicunda are believed to breed regularly on site. Whereas, Lestes dryas, Somatochlora flavomaculata and Sympetrum flaveolum are classed as rarely-breeding vagrants. A comparison with another twelve raised bogs in Schleswig-Holstein shows that Grotmoor has a species-rich dragonfly fauna and thus richly-deserves protection.