Aristosyrphus (Eurypterosyrphus) macropterus (Curran)  

Eurypterosyrphus is recognized as a subgenus of Aristosyrphus, differing from the type subgenus by having a dorsomedial tubercle on the face ventrad to the antenna, profemur with a distinct spinose pad basally and usually having the apical crossvein (vein M1) straight, not processive.