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Photo#248931
Unknown fly with vivid green abdomen - Ptecticus trivittatus

Unknown fly with vivid green abdomen - Ptecticus trivittatus
Boston County, Massachusetts, USA
Size: ~2cm
Found this brightly-colored fly in my apartment's kitchen last night - from its behavior and appearance i initially mistook it for a wasp. Roughly 2cm, short antennae, and the abdomen is vivid green but not iridescent.

Obviously it didn't wander in from a snowbank outside, alone, so I've been wondering how it arrived (presumably before it reached adulthood). I used a small quantity of store-bought compost when repotting some houseplants a month ago - is that a likely candidate?

(the side view is taken through a glass - apologies for the quality)

Images of this individual: tag all
Unknown fly with vivid green abdomen - Ptecticus trivittatus Unknown fly with vivid green abdomen - Ptecticus trivittatus

Unknown Fly
Looks like a soldier fly, family Stratiomyidae

 
Maybe near
Ptecticus trivittatus ?

 
yes it is a male of P trivitt
yes it is a male of P trivittatus and the larvae develop in compost.

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