Dr Dominique Zimmermann poses in undated photo. She was part of a group of researchers who investigated the fauna at the Sandberge Oberweiden conservation area in Lower Austria's Marchfeld region. (Minitta Kandlbauer, NewsX/Bee)
Illustrative image appears to show Melitta leporina, undated. The Melitta leporina is one of the 600 solitary bee species which exist in Germany. (NewsX/Bee)