First observation in Switzerland: Tessin 2012 (Westrich).
First observation in Germany: Langenargen/Lake Constance 2015 (Westrich).
First observations in Austria: In West Austria/Hörbrans and Schrunz 2019.
In East Austria/Vienna 2017.
Germany 2019: More than 6 confirmed new observations in Bavaria and Baden Würtemberg.
In the Regions: Allgäu, Upper Danube and Karlsruhe (Westrich).
https://www.wildbienen.info/forschung/projekte_15.php
https://www.vol.at/asiatische-bienenart-siedelte-sich-in-vorarlberg-an/6300861
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