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Project Noah Nature School
Efferia aestuans
Female spotted preying on a Syrphid fly (Eupeodes americanus). Adults take their prey in mid-air, much like dragonflies. Prey is injected with saliva containing neurotoxic enzymes which paralyze & break down the insides so that they can be sucked out by the robber fly.
Pastures, open fields, forest clearings.
Spotted on Aug 10, 2011
Submitted on Nov 16, 2011
2 Comments
Thank you kerry :)
Fantastic. I took a picture of a robber with freshly caught prey recently. I love this ones hunch back. :)