Revision of the genus Centistes Haliday (Hymenoptera: Braconidae: Euphorinae) of the USSR Far East and neighbouring territories

The East Palaearctic species of the genus Centistes Haliday are revised. The subgeneric division of the genus Centistes is discussed; Syrrhizus Foerster is considered to be a distinct genus. Eleven new species from the Far East of the USSR are figured and described: C. (C.) alekseevi, C. (A.) semiruficus, C. (A.) convexitemporalis, C. (A.) microvalvis, C. (A.) pteropygidium, C. (A,) sylvicola, C. (A.) manchzhuricus, C. (A.) chaetopygidium, C. (A.) planivalvis, C. (A.) spasskensis, and C. (A.) scutellaris. Three species (C. (A.) paupella (Shenefelt), C. (A.) medythiae Maetô & Nagai, and C. (A.) antennalis (Watanabe)) are recorded for the fauna of the USSR for the first time, and six species (C. (C.) cuspidatus (Haliday), C. (C.) fuscipes (Nees), C. (A.) collaris (Thomson), C. (A.) ater (Nees), C. (A.) edentatus (Haliday), and C. (A.) saxo (Reinhard)) are new for the Far East of the USSR. The lectotype of Leiophron saxo Reinhard, 1862, is designated. A key to East Palaearctic subgenera and species of Centistes is given.