@book {1647, title = {Catalogue Synonymique et G{\'e}ographique des Syrphidae (Diptera) de la R{\'e}gion Afrotropicale}, series = {INSTRUMENTA BIODIVERSITATIS 2}, year = {1998}, pages = {187}, publisher = {Mus{\'e}um d{\textquoteright}histoire naturelle Gen{\`e}ve}, organization = {Mus{\'e}um d{\textquoteright}histoire naturelle Gen{\`e}ve}, author = {Dirickx, H. G.} }