Moved from ID Request.

After reviewing this family several times, the closest look-a-like seems to be Entypus aratus, but those wasps have a wider 1st discoidal cell and the submarginal cells are also slightly different shapes. Cell S2 is much longer on my wasp, with the vein between S1 & S2 looking bowed into S1. Also, right next to this vein, on the apical quarter of S1, you can see a crease, perpendicular to the wing edge, on the basal edge of the stigma. (third image) This crease appears to subdivide S1 and though it is not a spurious vein, it appears in some of the wing images of the wasps in this genus and may reflect the light in such a way as to appear as an extra vein. The bowed shape of the apex into the 1st discoidal (D1 & D3) is much more pronounced on these wasps and more easily visible in most images.