Forewing without second submarginal cell, i.e. no veins at postero-lateral sides to delimit an areolet, at most with stub of 3RS present. Ovipositor sheath setose over most of its length, comparatively long, either extending beyond hypopygium, approximately as long as metatibia and strongly downcurved. 

Unless identified by a recognised expert, a photo is required and the specimen should be examined with a microscope. In the comments box, state the key or ID method used and describe the size and identifying characters.

Gregarious parasitoid of the noctuid moth Dark Arches, Apamea monoglypha.

Unknown.

Unknown.

Shaw, M. R., Höcherl, A., & Fernandez-Triana, J. (2024) An illustrated key to European genera of Microgastrinae parasitoid wasps (Hymenoptera, Braconidae) with a recent historical and biological perspective and a guide to available species-level identification resources. ZooKeys, 1212, 285.