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Photo#635058
robber fly - Efferia aestuans

robber fly - Efferia aestuans
Great Brook Farm State Park, Carlisle, Middlesex County, Massachusetts, USA
July 5, 2011
I was wondering what this robber fly was doing; it was jabbing its abdomen into crevices in this plant's flowers. Was it laying eggs or something?

Images of this individual: tag all
robber fly - Efferia aestuans robber fly - Efferia aestuans robber fly - Efferia aestuans robber fly - Efferia aestuans

Moved
Moved from Efferia.

Moved
Moved from Robber Flies.

Indeed
The fancier of us refer to it as ovipositing. The Efferia females are known for this sometimes swordlike ovipositor.

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