<p>Panasonic GX7 + Leica DG Macro-Elmarit 45mm F2.8 ASPH OIS
</p>
I found this small digging wasps in numbers around the nesting areas of Bembix rostrata. It was my impression that they were often sneaking into freshly closed Bembix nests, perhaps parasitizing the latter species or its food items?
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/42244964@N03">Frank Vassen</a> from Brussels, Belgium
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/42244964@N03/19305988983/">Oxybelus uniglumis, Fort du Loc'h, Guidel, Brittany, France</a>