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Subfamily Alysiinae

wasp Wasp ZH3Z8751 - female Hymenoptera - Ichneumonidae? Unknown Braconid? Braconid parasitoid of lupine-mining agromyzid - male Alysiinae? Alysiine ex rose-mining agromyzid Little Black Wasp - Dapsilarthra - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Parasitica" (parasitic Apocrita))
Superfamily Ichneumonoidea (Braconids and Ichneumons)
Family Braconidae (Braconid Wasps)
Subfamily Alysiinae
Identification
Very large marginal cell is the hallmark for several genera in this subfamily.
The vertex of head has a unique shape.
An interesting feature of this subfamily is that the mandibular action is opposite to other wasps. To visualize, place the backs of your hands together and then move your fingers outward.

Comment from Joseph Fortier on the second of the above images: "What gives this braconid away as an alysiine is the last (closeup) shot, showing the truncated, outwardly curving mandible. Alysiine wing venation is often closely similar to that of Opiinae, another fly parasitoid. Alysiines use these specialized mandibles for digging out of the tough fly puparium after emergence from their own pupae."
Remarks
Parasitoids of Diptera.
See Also
Compare mandibles of Opiinae: