No. 489 (2018): Revision of the Oriental species of the genus Sphegina Meigen, 1822 (Diptera: Syrphidae)

Jeroen VAN STEENIS, Heikki HIPPA & Valeri A. MUTIN

Section: Entomology; pp. 1–198, 100 figures, 47 references; https://doi.org/10.5852/ejt.2018.489

accepted: 20 September 2018; published: 20 December 2018