Xenarcha (Shawiana) laevis ( Thomson, 1892 ), 2025

Belokobylskij, Sergey A. & Ku, Deokseo, 2025, Genera Colastes Haliday, Colastinus Belokobylskij, and Xenarcha Foerster (Hymenoptera, Braconidae, Exothecinae) from the Korean Peninsula with a discussion on the Exothecinae genus and subgenus composition, ZooKeys 1236, pp. 141-183 : 141-183

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.

Figures

Figure 11. Colastinus crustatus Belokobylskij, female, holotype A habitus, lateral view B apical segments of antenna C head, front view D head and anterior part of mesosoma, dorsal view E basal segments of antenna F head and mesosoma, lateral view G mesosoma, dorsal view H metasoma and ovipositor, lateral view I propodeum and metasoma, dorsal view J wings K metasoma and hind leg, lateral view.