The following files were retrieved from NCBI on 2018-30-7: ftp://ftp.ncbi.nlm.nih.gov/genomes/all/GCF/003/254/395/GCF_003254395.2_Amel_HAv3.1/GCF_003254395.2_Amel_HAv3.1_genomic.fna.gz Information about this dataset can be found here: https://i5k.nal.usda.gov/content/ephemera-danica-genome-assembly-edan20-gca0005071652 Information about the publications of this dataset can be found here: Thomas, G.W.C., Dohmen, E., Hughes, D.S.T. et al. Gene content evolution in the arthropods. Genome Biol 21, 15 (2020). https://doi.org/10.1186/s13059-019-1925-7