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Photo#47268
Tiny Black Wasp

Tiny Black Wasp
Encino, Los Angeles County, California, USA
April 8, 2006
Size: 1/8 inch
At first glance it loked like a winged aphid, but it was running around a lot. I've been seeing these on flat surfaces all over my patio (in my back yard under an elm tree), but this is the first time I got close enough long enough for a halfway-decent shot. It was on several plants, but this shot is on cyclamen in a pot (Cyclamen persicum)

My last "little black wasp" turned out to be a bee, but I think this really is one.

Alas - Neither this one
Wing venation of this elegant small insect indicates a Dipteran, from the Sciarinae subfamily of Mycetophilidae (Nematocera). This group is sometimes treated as a family in its own right (Sciaridae).
Could well be mistaken for a tiny sawfly at the first glance, as long as the (two) wings are hiding the halters beneath them.

 
Thanks!
I don't mind being wrong, as long as the true answer is interesting :)

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