Psylla pyrisuga Foerster 1848, p 78; Schwarz 1896, p 297; Kuwayama 1908, p 165; Oshanin 1912, p 127; Aulmann 1913, p 24; Sasaki 1954, p 35; Miyatake 1964a, p 27; 1969, p 75; Klimaszewski 1973, p 222; Miyatake 1979, p 217; Kwon 1983, p 42; Konovalova 1988, p 532. Type locality: Germany (Aachen, Boppard).
Cacopsylla pyrisuga: Burckhardt and Hodkinson 1986, p 123; Park 1996, p 272; Lauterer 1999, p 121.
Distribution. The whole Palaearctic from Europe to Japan (Hokkaido, Honshu, Shikoku, Kyushu), Russian Far East (Khabarovsk, Primorsky).
Host plants. Pyrus pyrifolia var. culta (Makino) Nakai (= Pyrus serotina Rehder) (Rosaceae) (Miyatake 1964a), Marus domestica Borkh. (= Malus pumila) (Sasaki 1954) in Japan; also Pyrus spp. in Europe (Burckhardt and Hodkinson 1986; Ossiannilsson 1992).