Keys out to
Cremastinae using Wahl's subfamily key
(1), and to
Pristomerus using Townes' key to cremastine genera
(2). Note the ventral tooth on the hind femur and the sinuate tip of the ovipositor. Found on flowering goldenrod.
I don't have access to Dasch's volume on
Cremastinae so I can't take this one any further. TIA
larger image
here