Heringia
Heringia or the Smoothleg fly is a genus of hoverflies, from the family Syrphidae, in the order Diptera. The species are distributed in North America and Europe
Larvae are predatory upon Schizoneura aphids on Ulmus and Pemphigus aphids on Populus,... Wikipedia
Scientific name: Heringia
Genus: Heringia; Rondani, 1856