Length 2-5mm. Predominantly dark, occipital carina (ridge running along the back of the head) present, non-cyclostome mouthparts (clypeus not deeply hollowed out above the mandibles), forewing with one submarginal cell, first abdominal tergite usually elongated and narrow, with a distinct pair of basal keels. 12 known UK species.

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.

Endoparasitoids of beetle larvae (Coleoptera).

Unknown.

Unknown.

van Achterberg C. (1988) Revision of the subfamily Blacinae Foerster (Hymenoptera: Braconidae). Zoologische Verhandelingen, Leiden 249: 1–324.