English:Brown marmorated stink bug
German:Marmorierte Baumwanze
Danish:
Date:06/10/2019
Location:Austria, Wien, Kalksburg
 
Copyright:Per Hoffmann Olsen
Camera:Canon EOS M50
Lens:Canon 100mm 1:2.8 Macro
 
Exposure:1/125
Aperture:f/8.0
ISO:800

This is an alien species to Austria and the rest of Europe. 

The oldest findings in Europe are from Switzerland in 2004 where it was introduced from Asia. Since then it has spread throughout most of central and southern Europe.

Get more information here https://www.halyomorphahalys.com/ (In german)