Xenarcha (Shawiana) laevis Belokobylskij & Ku 2025, comb. nov.

Xenarcha (Shawiana) laevis (Thomson, 1892) comb. nov. Fig. 11 Exothecus laevis Thomson, 1892: 1699. Colastes laevis: Shenefelt 1975: 1120 Belokobylskij and Tobias 1986: 53. Shawiana laevis: van Achterberg 1983: 343; Papp 1987: 160; 1992: 66; Yu et al. 2016. Colastes (Shawiana) laevis: Belokobylskij 1998: 147; Belokobylskij et al. 2019: 282. Material examined. South Korea: [JN] • Gurye-gun, Toji-myeon, Bangok-gil, Mt. Jiri, Nogodan, 35°17′37.2″N, 127°31′55.6″E, Malaise trap, 10.VII–11.IX.2001 (Deokseo Ku), 1 female (SMNE). Hosts. Hymenoptera: Euura mucronata (Hartig), Fenusa dohrnii (Tischbein), Heterarthrus aceris (Kaltenbach), H. microcephalus (Klug), H. vagans Fallen, H. wuestneii (Konow), Pontania glaucae Kopelke, P. lapponicola Kopelke, P. nigricantis Kopelke, P. vesicator Bremi, Scolioneura betuleti (Klug), S. vicina Konow (Tenthredinidae). Distribution. Korean peninsula; Europe (widely), Russia (European part, Far East), Turkey, Iran, Mongolia.