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1. to be sure its a Mydaea it must have setulae on the radial node of the wing, do you have any photos of the ventral side? I can't see any on this photo

2. I can see 1 anterior stpl seta (as stated by Stephane) however I( am not sure if there is a bristle socket beneath some species have a weak 2nd stpl seta, I can't be sure at this resolution?

3. The aristal hairs appear to be as long as the width of the postpedicel so that's ok

4.
The number of av on tibia 3 is also helpful to eliminate another species, I am not sure if this is 2 or 3? photo 3 looks like 2 but there may be another behind it?

I guess I'm very cautious Stephane has covered it well but a positive id needs evidence