Five crane flies (Tipulidae species): adults and larva. Coloured etching by M. Harris, ca. 1766. https://www.rawpixel.com/image/13970447/image-animal-public-domain-natureFree Image from public domain licenseSix robber flies (Asilidæ species): adults, a larva and pupa. Coloured etching by M. Harris, ca. 1766. https://www.rawpixel.com/image/13959156/image-paper-bee-animalFree Image from public domain licenseMwera, Zanzibar, Tanzania: an African man stands in a river using a ladle to dip for mosquito larvae. Photograph, 1900/1920. https://www.rawpixel.com/image/14007232/photo-image-jungle-face-plantFree Image from public domain license