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Metabarcoding dietary analysis in the insectivorous bat Nyctalus leisleri and implications for conservation

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AutorInnen: 
Bourlat S.J., Koch M., Kirse A., Langen K., Espeland M., Giebner H., Decher J., Ssymank A., Fonseca V.G.
Erscheinungsjahr: 
2023
Vollständiger Titel: 
Metabarcoding dietary analysis in the insectivorous bat Nyctalus leisleri and implications for conservation
ZFMK-Autorinnen / ZFMK-Autoren: 
Dr. Ameli Kirse, Dr. Sarah Bourlat, Dr. Marianne Espeland, Dr. Jan Decher, Dr. Kathrin Langen
Org. Einordnung: 
Metabarcoding, Lepidoptera, Theriologie, Fledermaus Beringungszentrale
Publiziert in: 
Biodiversity Data Journal
Publikationstyp: 
Elektronische Publikation
DOI Name: 
https://doi.org/10.3897/BDJ.11.e111146
Keywords: 
bat conservation, Chiroptera, diet analysis, metabarcoding, prey source habitats, Vespertilionidae
Bibliographische Angaben: 
Bourlat S.J., Koch M., Kirse A., Langen K., Espeland M., Giebner H., Decher J., Ssymank A., Fonseca V.G. (2023): Metabarcoding dietary analysis in the insectivorous bat Nyctalus leisleri and implications for conservation. Biodiversity Data Journal 11: e111146. https://doi.org/10.3897/BDJ.11.e111146
Abstract: 

In this study, we aim to uncover diet preferences for the insectivorous bat Nyctalus leisleri (Leisler's bat, the lesser noctule) and to provide recommendations for conservation of the species, based on the analysis of prey source habitats. Using a novel guano trap, we sampled bat faeces at selected roosts in a forest in Germany and tested two mitochondrial markers (COI and 16S) and three primer pairs for the metabarcoding of bat faecal pellets.

We found a total of 17 arthropod prey orders comprising 358 species in N. leisleri guano. The most diverse orders were Lepidoptera (126 species), Diptera (86 species) and Coleoptera (48 species), followed by Hemiptera (28 species), Trichoptera (16 species), Neuroptera (15 species) and Ephemeroptera (10 species), with Lepidoptera species dominating in spring and Diptera in summer. Based on the ecological requirements of the most abundant arthropod species found in the bat guano, we propose some recommendations for the conservation of N. leisleri that are relevant for other insectivorous bat species.