Criorhina is a genus of hoverflies. Medium to large sized species, black or greenish black, with or without light ground markings mimicking bumblebees. The head is much flattened and broader than the thorax. The antennae are situated upon a prominent conical frontal process, The face is moderately produced below the eyes, downward or forward, in profile. The eyes are bare. The abdomen is elliptical or very short oval. Larvae found in rot holes or decaying hardwoods
<Gallery mode= traditional heights=275px widths=275px > Criorhina floccosa.jpg|Criorhina floccosa Criorhina berberina (fem).jpg|Criorhina berberina Criorhina ranunculi5.JPG|Criorhina ranunculi Criorhina pachymera, Forêt indivise de Stambruges (Beloeil; Saint-Ghislain), Hainaut, Belgique (28343250968).jpg|Criorhina pachymera Hallonblomfluga01370.jpg|Criorhina asilica (male) </Gallery>