A new parasitoid wasp, sp. n. (Braconidae, Alysiinae), from a city park in the centre of Amsterdam.

Background: The parasitic wasp genus Foerster, 1863, belongs to the large subfamily Alysiinae Leach, 1815 (Hymenoptera: Braconidae) and contains solitary or gregarious endoparasitoids of larvae of cyclorrhaphous Diptera living in decaying organic matter.

New Information: A new species, sp. n.