3. Perithous scurra (Panzer, 1804)

Synonym: Pimpla mediator Fabricius, 1804 (Horstmann 1982: 236) .

The species is widely distributed in the Palaearctic region being known from Western Europe, Turkey and Iran to Russian Far East and the Palaearctic part of China (Yu et al. 2016), and in the Nearctic region P. scurra is widespread in Canada and USA (including Alaska, southwards to California, Arizona and New Mexico) (Townes & Townes 1960: 210–214).

Samples of P. scurra from Europe (Leningrad Prov., Russia) have been examined. Females have second tergite with a distinct median longitudinal keel anteriorly (Varga 2018: 239; Fitton et al. 1988: 86, 87), very long ovipositor and dirty red hind tibia.

Distribution. Holarctic species; unknown from Mexico.