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

*Xenarcha(Shawiana)catenator(Haliday, 1836) comb. nov. Rhogas (Colastes) catenator Haliday, 1836: 93. Phanomeris catenator: Shenefelt 1975: 1130; van Achterberg 1983: 345. Shawiana catenator: van Achterberg 1983: 345; Yu et al. 2016. Colastes catenator: Belokobylskij and Tobias 1986: 52; Belokobylskij 1994: 71; 1998: 152. Colastes (Shawiana) catenator: Belokobylskij et al. 2019: 282. Material examined. South Korea: [GN] • Sancheong-gun, Chahwang-myeon, Mt. Hwangmae, (30 km NNW Jinju, forest, h = 800 m), 12.VI.2002 (S. Belokobylskij), 1 female (NIBR). Hosts. Hymenoptera: Fenella nigrita (Westwood), Fenusa dohrnii (Tischbein), F. pumila Leach, F. pusilla Leach, F. rubi Boie, F. ulmi Sundevall, Heterarthrus aceris (Kaltenbach), H. vagans Fallen, Messa hortulana (Klug), M. nana (Klug), Metallus albipes (Cameron), M. pumilus (Klug), Parna tenella (Klug), Profenusa pygmaea (Klug), Scolioneura betuleti (Klug) (Tenthredinidae). Lepidoptera: Eriocrania semipurpurella (Stephens) (Eriocraniidae); Phyllonorycter quercifoliella (Zeller) (Gracillariidae). Distribution. * Korean peninsula; Western Europe, Georgia, Russia (European part, Siberia, Far East), Mongolia, Japan.