Opinion 1747 Eristalis Latreille, 1804, Helophilus Fabricius, 1805, Xylota Meigen, 1822 and Eumerus Meigen, 1822 (Insecta, Diptera): conserved
International Commission on Zoological Nomenclature
Article
1993-09-30
The Bulletin of zoological nomenclature
50
256--258
BioStor
London International Trust for Zoological Nomenclature
BioStor: https://biostor.org/reference/5348