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Hello! I found this Pollenia today ( Febr. 14) , in Austria. The heigh was 1,73 km. I see the following things:
- basicosta is yellow
- abdomen is mostly dusted
- the middle dark stripe in the thorax, doesn’t reach into the first part of the thorax (before the suture), so it is definitely not vagabunda

I tried to figure out, which species could it be, and with a little doubt, it ended up in rudis.
There are two species, what aren’t in my key: hungarica and angustigena. If I excluded them, it would be almost sure, that it is a rudis.
There were a lot of flies, bigger and smaller ones as well, so this is a reason as well to rudis, because I’ve read that this species is so variable.
Please, can you help me with this species? Is this really rudis? Or did I miss something, and basicosta isn’t yellowish?