Chrysotoxum similifestivum Huo & Ren 2007

Huo & Ren 2007. Investigation on syrphids (Diptera: Syrphidae) of Xiaowutai Shan Nature Reserve, Hebei Prov. with descriptions of new species and new recorded species. Entomotaxonomia, 29(3), September 2007: 172-198