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Photo 3 does not show the same fly - there are no wing spots, no spots on the femora, and the thorax hairs are much shorter! Therefore the cropped photo 5 is not helpful. (I suppose it is a Sicus spec., possibly ferrugineus.)
This said, it remains difficult, but M. tesselatipennis might be a rather good candidate. Compare the species descriptions by Falk (https://www.flick...279506405/) and contact our member John Smit who wrote this nice Dutch key: https://www.eis-n...;TabId=563.
Regards, Sundew