Pamphilius ussuriensis Shinohara 1988

Pamphilius ussuriensis Shinohara, 1988 (Figs 123–126) (https://doi.org/10.6084/m9.figshare.11405316) Pamphilius ussuriensis Shinohara, 1988a: 314; Zhelochovtsev & Zinovjev, 1995: 398; Shinohara, 2001: 115; Shinohara, 2002b: 431; Shinohara, 2004: 265; Shinohara & Lelej, 2007: 940; Taeger et al., 2010: 91; Sundukov & Lelej, 2012: 109; Sundukov, 2017: 105. Pamphilius zinovjevi Shinohara, 1988a: 315; Zhelochovtsev & Zinovjev, 1995: 398; Shinohara, 2001: 111, 114; Shinohara, 2002b: 431; Shinohara, 2004: 265; Shinohara & Lelej, 2007: 933; Taeger et al., 2010: 92; Sundukov & Lelej, 2012: 110; Sundukov, 2017: 106; Lee et al., 2019: 12. Syn. nov. Material examined. Ten specimens, including the holotypes of P. ussuriensis and P. zinovjevi, all from the Russian Far East and South Korea (Shinohara 1988 a, 2001; present work). New collection data: RUSSIA: Primorskij Kraj: 1♀ (Fig. 123, DEI-GISHym 12972), Samarka, Gordeyevskaya Mtn., 70 km N Chuguyevka, 250 m, 44.46N 134.13E, 29. V. 1993, leg. A. Taeger (SDEI); 1♂ (Fig. 124, DEI-GISHym 21853), Sikhote-Alin Reserve, Upper River Dzhigitovka, 44.970°N 136.080°E, 27. V. 2015, Sergeev (SDEI); 1♀ (Fig. 126a–c, DEI-GISHym 86348), Rettihovka 9 km E, 170m, 44.178°N 132.877°E, 29. V. 2016, K. Kramp, M. Prous & A. Taeger, RU024 (SDEI). Distribution. Russia (Amurskaja Oblast', Primorskij Kraj), South Korea. Host plant. Unknown. Remarks. Pamphilius ussuriensis and P. zinovjevi were described from the holotypes only. The holotype of P. ussuriensis is a rather poorly preserved (discoloured) male specimen (Fig. 125) and that of P. zinovjevi is an exceptionally small female specimen (Fig. 126d–f; Shinohara 1988a). Shinohara (2001) examined five additional females of P. zinovjevi from Primorskij Kraj and South Korea and discussed the variation among them. Pamphilius ussuriensis was only known from the holotype male until now. The COI sequences of the newly obtained specimens of P. ussuriensis (a male, DEI-GISHym 21853, and a female, DEI-GISHym 86348, initially determined as P. zinovjevi) were retrieved as monophyletic with 100% UFBoot support (Fig. 146). Though the two specimens diverged by 1.8% in COI, it now seems reasonable to regard them as different sexes of the same species and here we propose to treat P. zinovjevi as a synonym of P. ussuriensis. This species belongs to the P. sylvaticus group (Shinohara 2002b). Diverging by a minimum of 4.8% in the COI sequences, the nearest neighbour was P. graciloides, according to our molecular analysis. In the COI tree (Fig. 146), P. ussuriensis and P. jucundus (Eversmann, 1847) formed a monophyletic group with 99% UFBoot support.
Published as part of Shinohara, Akihiko, Kramp, Katja & Taeger, Andreas, 2022, The Pamphiliinae of the Russian Far East and Korea (Hymenoptera, Pamphiliidae), pp. 1-251 in Zootaxa 5167 (1) on pages 82-83, DOI: 10.11646/zootaxa.5167.1.1, http://zenodo.org/record/6876483
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