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Xanthochlorus tenellus or Xanthochlorus ornatus?

Photos 12-7-2018, Bergen, The Netherlands. In the ivy against the wall.

On https://www.dipte...Europe.pdf page 117
Thorax almost entirely yellow, more or less darkened only on prescutellar
depression; scutellum usually entirely yellow; 2.5-3.5 .. tenellus Wiedemann
– Disc of thorax and scutellum darkened, entirely greenish or bronze, dusted
grayish; 2.75-3.0..................................................................ornatus Haliday

Despite this information, I am not sure about the species.
I've already asked on the Dutch forum: https://forum.waa...c=431358.0

I hope you know more.

Regards, Thijs