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I'm sorry, but I have no other key for Eudasyphora than Gregor, Rozkošný, Barták, Vaňhara.

I found 3 females and 1 male of cyanicolor in 2020 and 2021 and one male of cyanella in 2019 in my garden and took pictures from different angles.
The broad whitish (with changing density) midstrip is distinctly visible while cyanella shows the 2 pairs of black prst stripes (and a whitish collar).
I did not find E. zimini yet but the key says it's closely related to cyanella...

And if we enlarge your first image I'm quite sure that the "Strong anterodorsal seta on mid tibia almost in the middle between strong posteroventral seta and apex of tibia" is visible.

And the eyes could be "almost bare".