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Metabarcoding dietary analysis in the insectivorous bat Nyctalusleisleri and implications for conservation by Sarah J. Bourlat; Martin Koch; Ameli Kirse; Kathrin Langen; Marianne Espeland; Hendrik Giebner; Jan Decher; Axel Ssymank; Vera G. Fonseca is a Environmental Science article available to read on EtoBox.

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## Abstract In this study, we aim to uncover diet preferences for the insectivorous bat __Nyctalusleisleri__ (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.

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Author

Sarah J. Bourlat; Martin Koch; Ameli Kirse; Kathrin Langen; Marianne Espeland; Hendrik Giebner; Jan Decher; Axel Ssymank; Vera G. Fonseca

Publisher

Pensoft Publishers

Published

2023

Language

EN

Field

Environmental Science (Life Sciences)