Subgenus Psallus Fieber, 1858 sensu stricto

Psallus Fieber, 1958: 321 (subgen. nov.)

69. Psallus (P.) amoenus Josifov, 1983 (Figure plate 6)

Psallus (Psallus) amoenus Josifov, 1983b: 208 (sp. nov.); (1992b): 116 (list); Kerzhner (1988b): 844 (key, fig.); Schuh (1995): 400 (cat.); Kerzhner & Josifov (1999): 411 (cat.); Vinokurov et al. (2010): 146 (cat.); Duwal et al. (2012): 630 (diag., key, fig.).

Distribution. Asia: North Korea (Josifov 1983b), Russia (Far East) (Kerzhner 1988b). Host. Quercus dentate Thunb. ( Fagaceae) (Josifov 1983b).

70. Psallus (P.) bagjonicus Josifov, 1983 (Figure plate 6)

Psallus (Psallus) bagjonicus Josifov, 1983b: 205 (sp. nov.); (1992b): 116 (list); Schuh (1995): 401 (cat.); Kerzhner & Josifov (1999): 412 (cat.); Yasunaga & Vinokurov (2000): 659 (key, figs.); Yasunaga (2001a): 176 (diag., figs.); Duwal et al. (2012): 630 (diag., key, fig.); Aukema et al. (2013): 326 (cat.).

Distribution. Asia: North Korea (Josifov 1983b), South Korea (GG) (Duwal et al. 2012), Japan (Yasunaga & Vinokurov 2000).

Host. Quercus aliena Blume (Fagaceae) (Josifov 1983b), Q. serrata Murray., Q. acutissima Carruth. (Yasunaga & Vinokurov 2000) .

71. Psallus (P.) cheongtaensis Duwal, Yasunaga, Jung & Lee, 2012 (Figure plate 7) Psallus (Psallus) cheongtaensis Duwal, Yasunaga, Jung & Lee, 2012: 630 (sp. nov.).

Specimens examined. South Korea: GW: 28(♂, ♀), Inje-gun, Yongdae-ri, Mt. Maebong, Yongdaeri Natural Recreation Center, 6.VI.2014, on Tilia sp., R.K. Duwal (SNU).

Distribution. Asia: South Korea (GW) (Duwal et al. 2012).

Host. Tilia sp. ( Malvaceae) (new record).

72. Psallus (P.) koreanus Josifov, 1983 (Figure plate 7)

Psallus (Psallus) koreanus Josifov, 1983b: 209 (sp. nov.); Kerzhner (1988b): 847 (key); Josifov (1992b): 116 (list); Schuh (1995): 408 (cat.); Kerzhner & Josifov (1999): 415 (cat.); Vinokurov et al. (2010): 146 (cat.); Duwal et al. (2012): 631 (diag., key).

Distribution. Asia: North Korea (Josifov 1983b), Russia (Far East) (Kerzhner 1988b).

Host. Crataegus sp., Prunus sp., Sorbus amurensis Koehne (Rosaceae) (Josifov 1983b).

73. Psallus (P.) sanguinarius Kerzhner & Josifov, 1999 (Figure plate 7)

Psallus (Psallus) sanguinolentus Josifov, 1983b: 209 (junior primary homonym of Psallus graminicola f. sanguinolenta Stichel, 1956); (1992b): 116 (list); Schuh (1995): 415 (cat.)

Psallus (Psallus) sanguinarius: Kerzhner & Josifov (1999): 417 (new name, cat.); Duwal et al. (2012): 631 (diag., key); Duwal & Lee (2015): 593 (diag., fig.).

Distribution. Asia: North Korea (Josifov 1983b), South Korea (GW) (Duwal & Lee 2015). Host. Sorbus amurensis Koehne (Rosaceae), Picea sp. ( Pinaceae) (Josifov 1983b).