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Second post (first : https://diptera.i...ost_473967

Found in a alkalin marsh (by Malaise trap - 04/07/2024).
- notopleural lobes yellow/orange
- first and second antennal segment orange
- basal callus brown
- orange on tergite 1-3 with an extension on tergite 4
- black hairs on tergite 2-3
- subgenital plate with basal notch

With light notopleural lobes, bimaculata is exclude, distinguenda doesn't have black hairs on tergite 2-3 (and a different subgenital plate) and muehlfeldi have the two first antennal segment grey and not orange.

So for me : solstitialis too