Syrphidae

From EvoWiki

Syrphidae (hoverflies) are large, common and diverse flies which are renowned for their widespread formation of Batesian mimicry rings. Most syrphids as they are principally polinators, mimic Hymenoptera. As a clade the group is defined by the presence of a pseudo-vein in the wing cell.

Have a look at www.syrphidae.com The world of Syrphidae

JGK