Amedeo Terzi (1872 -1956) was an Italian illustrator and entomologist specialising in Diptera. He was engaged by Sir Patrick Manson (1844–1922) as an illustrator for the London School of Tropical Medicine. He executed numerous zoological illustrations, mostly of parasitic insects, principally Diptera, estimating that he had accomplished 37,000 drawings in the course of his career, in 55 books and more than 500 other publications.