Posted by treebeard on 23-07-2023 09:13
#2
Hi, Uli
these yellow markings on the thorax can be present in X. dives as well (you should google for more pictures). However, as far as I am able to see yellow markings on the tergite 2 from this angle, they have a shape suggesting this may be X. stackelbergi.
Best regards,
Matej