Contribution to the Knowledge of the Encyrtid-Wasp Genus Isodromus Howard, 1887 (Hymenoptera, Encyrtidae: Homalotylini), Parasitoids of Lacewings (Neuroptera, Chrysopidae) in the Palaearctic

The article contains: (1) a key to the genera of the tribe Homalotylini Hoffer, 1954 of the world fauna; (2) a key to 16 species of the genus Isodromus Howard, 1887 found in the Palaearctic Region; (3) a synopsis of these 16 species with indication of their distribution, chrysopid hosts, prey of chrysopids, and plants inhabited by them, as well as some biological traits of Isodromus species.