Cacopsylla sibirica (Loginova, 1966), comb. nov.
Psylla sibirica Loginova, 1966: 24 .
Type material examined. Paratypes of Psylla sibirica: Russia: 2 ♂, 9 ♀, Chona River, Vilyuy River confluent, in the region of Ichoda River, 26–27.v.1912 (Tkachenko), (ZIN, dry and slide mounted) .
Other material examined. South Korea: 2 ♂, 5 ♀, GB, Cheongsong-gun, Cheongsong-eup, Cheongun-ri, 26.iii.2017, Salix sp. (K.S. Jung), (SNU, slide mounted, in 95% ethanol) ; 8 ♂, 16 ♀, 42 immatures, 5 exuviae, GW, Yeongwol-gun, Jucheon-myeon, Panun-ri 1246- 1, 450 m, 11.v.2018, Salix caprea (G. Cho), (SNU, in 95% ethanol) .
Distribution in Korea. GB, GW (NIBR, SNU).
Host plant. Salix caprea L. ( Salicaceae).
Comments. New record for Korea. This species was described in Psylla from Russia (Yakutskaya Republika) (Loginova 1966). It is congeneric with Cacopsylla mali (Schmidberger, 1836), the type species of Cacopsylla, and is formally transferred here to Cacopsylla .