5mm long | July 12, 2011 | Victorio Siqueroli Park, Uberlandia, Minas Gerais, Brazil
This is the first time I can recall encountering one of these wasps in the field. Chalcid wasps are easily recognized by their enlarged hind femora.
If you missed the one that emerged from a chrysalis I collected, check out this earlier post.
Wow, that’s a spectacular little beast!