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The photo of the hovering fly - This fly was following a sphecina wasp,with its prey. The fly waits for the wasp to pull the prey (Grasshoppers) into the burrow. It then darts into the burrow. Its stay is less than two seconds.
Sandy soil
I believe that the resting flies are the same type as the one hovering. The resting fly on the larger flower, is approximately twice the size of the other resting fly. I will try to find the flower, to take measurements.
2 Comments
Thank you Mark. I am not good with flies. Too many look similar.
I have added a photo of the flower, with 1 mm scale.
It is not the exact same flower, but same type from the same area.
Ah great Patrick that's a better view. Interesting that it does a perfect hover... it looks Tachinidae in most parts. This will be an interesting search. Goniinae?