https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13994032Edit ImageSaveSaveEditCropCustom TextSix dragonflies (Libellulæ species): adults and larva. Coloured etching by M. Harris, ca. 1766.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 987 x 1200 px | 300 dpiLarge JPEG 1654 x 2010 px | 300 dpiFree DownloadSix dragonflies (Libellulæ species): adults and larva. Coloured etching by M. Harris, ca. 1766.More