This dataset includes the raw data underlying the analyses detailed in Lewis et al (2020) Widespread conservation and lineage-specific diversification of genome-wide DNA methylation patterns across arthropods. For full details of the methods used to generate the data, please refer to the preprint on biorxiv (https://www.biorxiv.org/content/10.1101/2020.01.27.920108v1). This is linked to the following grant IDs: RPG-2016-210 and MC-A652-5PY80. For descriptions of data files see the file README.txt