Key to subgenera of Empidideicus Becker

1. Wing with cell dm closed apically by crossvein (Fig. 2)..................................... Anomaloptilus Hesse

–. Wing with cell dm open apically (Fig. 1).................................................................. 2

2. Mouthparts shorter than head height, labellum fleshy; head generally globular in frontal view, higher than long in lateral view; ocelli arranged in a straight line............................................................. Cyrtoides Engel

– Mouthparts normally longer than head height; labellum thin; proboscis stiff, tubular; head generally triangular in frontal view; ocelli not arranged in a straight line..................................................... Empidideicus Becker