The present study is aimed at describing lecithocerid specimens from Madagascar collected by Pierre Viette and his colleagues during the 1950's and preserved in the Muséum National d'Histoire Naturelle (MNHN, Paris). Eighteen new species of Torodora Meyrick, 1894 are described, namely: T. hana Park & Koo, sp. nov., T. larseni Park & Koo, sp. nov., T. toliarensis Park & Koo, sp. nov., T. silvestris Park & Koo, sp. nov., T. sogai Park & Koo, sp. nov., T. vietteiola Park & Koo, sp. nov., T. haploista Park & Koo, sp. nov., T. septentriella Park & Koo, sp. nov., T. zahamenensis Park & Koo, sp. nov., T. unicolorella Park & Koo, sp. nov., T. pistillia Park & Minet, sp. nov., T. andringitrensis Park & Minet, sp. nov., T. ochrizona Park & Minet, sp. nov., T. anosibensis Park & Minet, sp. nov., T. convexula Park & Minet, sp. nov., T. sphenosa Park & Minet, sp. nov., T. malagasiella Park & Minet, sp. nov., and T griveaudi Park & Minet, sp. nov. The previously unknown male of T. lecithocerella (Viette, 1956) is described for the first time. Adults and their male or female genitalia are illustrated.