The gut microbiome mediates adaptation to scarce food in Coleoptera.

"sequencing data generated in this study are available at the european nucleotide archive (ena) under the study accession number prjeb61400.; authors' contributions ethics approval and consent to participatenot required consent for publicationnot required competing intereststhe authors declare no competing interests availability of data and materialssequencing data generated in this study are available at the european nucleotide archive (ena) under the study accession number prjeb61400 authors' contributions otm designed the research.; data availability sequencing data generated in this study are available at the european nucleotide archive (ena) under the study accession number prjeb61400. availability of data and materialssequencing data generated in this study are available at the european nucleotide archive (ena) under the study accession number prjeb61400"

"Declarations Ethics approval and consent to participateNot required. Consent for publicationNot required. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding This research was supported by a grant from the Ministry of Research, Innovation and Digitization, CNCS/CCCDI – UEFISCDI, project number 2/2019 (DARKFOOD) within PNCDI III, and the project EEA 126/2018 (KARSTHIVES2), contract no. 3/2019. AAC and MP were supported by the U.S. Department of Energy, Office of Science, Biological and Environmental Research and by grant R01DE024463 from the National Institute of Dental and Craniofacial Research of the US National Institutes of Health. Oak Ridge National Laboratory is managed by UT-Battelle, LLC, for the U.S. Department of Energy under contract DE-AC05-00OR22725. P-AB was supported by research grant no. 20-23718Y (Grant Agency of the Czech Republic)."