Europiellomorpha lividellus (Kerzhner, 1979), n. comb.

Figures: 1G, 2E–F, 3F, 6A–E

Plagiognathus lividellus: Kerzhner 1979: 51 (desc., figs.); 1988a: 855 (key)

Europiella lividella: Schuh et al., 1995: 391 (n. comb.); Schuh, 1995: 316 (cat.); Kerzhner and Josifov, 1999: 346 (cat.); Yasunaga, 2001: 162 (diag., fig.); Kwon et al., 2001: 172 (cat.).

Plagiognathus lividellus: Schuh, 2004 (re–comb.)

Diagnosis. Generally distinguished by small, and oval body, usually greenish coloration, entirely pale antennal segments and legs; ventrally few large black spots on metafemora, one on anterior and three on posterior margin (Fig. 3 F); long labium reaching apex of metacoxae; and mesal serrated edge of the endosoma (Fig. 6 A).

Description. As in generic descriptions.

Measurements. (2♂ / 2♀). Body length 3.08–3.17/ 3.16–3.20; head width across eyes 0.68–0.72/ 0.68–0.72; vertex width 0.32–0.35/ 0.37–0.41; lengths of antennal segments I–IV: 0.25–0.26, 0.93–0.97, 0.62–0.63, 0.47–0.43/ 0.27–0.28, 0.91–0.92, 0.59–0.60, 0.43–0.44; total length of labium 1.15–1.25/ 1.26–1.32; mesal pronotal length 0.46–0.49/ 0.46–0.49; basal pronotal width 1.06–1.04/ 1.02–1.05; width across hemelytron 1.31–1.32/ 1.35–1.37; and lengths of metafemora, tibia and tarsus: 1.02–1.15, 1.70–1.72, 0.48–0.49/ 1.13–1.19, 1.60–1.71, 0.45–0.46.

Specimens examined. South Korea: Gangwon–do: 1♂, Taebaek, Mt. Hambaeksan, 14.ix.1999, on Artemisia princeps, G.S. Lee, det. by T. Yasunaga (NAAS). Gyeonggi–do: 1♀, Yangpyeong–gun, Kangsang–myeon, sewol–ri, 30.vi.2008, R.K. Duwal and S. Jung; 1♂, 1♀, Yangpyeong–gun, Mt. Yongmun, on light trap, 24.vi.2009, same collectors. Gyeongsangnam–do: 2♂, 2♀, Sancheong–gun, Sincheon–myeon, Jungsan–ri, Mt. Jung, 29.vi.2011, R.K. Duwal (SNU); 1♂, 2♀, same data as above, on light trap. Jeollanam–do: 1♀, Danyang–gun, Danyang–eup, 27.vii.2011, on light trap, R.K. Duwal; 1♂, 1♀, Jangseong–gun, Mt. Bangjang, 24.vi.2010, on light trap, R.K. Duwal. Japan: Hokkaido: 1♀ Tomakomai city, 27.Viii.1998, T. Yasunaga. Honshu: 2♀, Komori, Ohtoh vil. Wakayama, 10.vi.1998, T. and M. Yasunaga, det. by T. Yasunaga, 2000; 1♀, Wakayama Pref., Tanabe city, 10.vi.1998, T. Yasunaga.

Distribution. China, Korea, Russia.

Host. Artemisia gigantea Kitamura (Asteraceae) [Kerzhner, 1978].

Remarks. The specimens were collected from the different kinds of asteraceous plant from random sweeping as well as in light traps, so the specific breeding host is unknown.