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Photo#54646
Syrphid fly ID - Mallota posticata

Syrphid fly ID - Mallota posticata
Framingham, Middlesex County, Massachusetts, USA
May 18, 2006
Size: about 1.5cm long
Found this bee mimic sitting on the pavement next to my driveway - it sat still for a whole lot of photos too. I thought maybe it was genus Mallota but someone has inquired about whether it might instead be Merodon equestris. Thought I would go to the experts for conformation :-).

Please note that this photo had to be brightened a lot to show detail so the color may not be accurate (it was a dark stormy day).

Images of this individual: tag all
Syrphid fly ID - Mallota posticata Syrphid fly ID - Mallota posticata

Uhps
Sorry, I made a mistake... I looked again at the pic and I realized that the vein r4+5 is curved and not straight, and the antenna is smaller and not so prominent as in Criorhina... it is Mallota. Chris Thompson checked the pics again and he ID them as Mallota posticata...

Criorhina
This is neither Mallota (even it looks very much like it from the coloration etc) nor Merodon (they are smaller and more compact). From the face and the antennae (also from the straight vein R4+5 and the not enlarged hind legs) it is clear that this belongs to the rare genus Criorhina. Great find!

 
Cool!
Folks in the Pacific states should look for this genus at high elevations in alpine areas. Some specimens are just huge, and very convincing mimics of bumble bees.

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