— 357 — 



singfors (Keut. 16), St. Petersburg (Ced. 1), Peterhof, Luga 

 (Osh. 10), Livland (Fl. 1), Moskau, Mojaysk (Osh. 1). 



1496. foersteri Flor. 



Psijlla Alni Frst. (nee L.) Psyll. p. 70; Mey. Mitth. Schw. Ent. 

 Ges. 3, p. 395; Psylla Foersteri Flor R. L. 2, p. 458; Psyll. 

 p. 338, 346 et 352; Leth. Cat. Nord. p. 88; Scott Psyll. p. 531; 

 F. LoEW Verh. Z. B. Ges. Wien 1876, p. 201, t. 2, f. 27—31; 

 Edw. Hern. Hom. Br. Isl. p. 248, t. 28, f. 6; Ghermes id. Thms. 

 Op. ent. 8, p. 831. 



Britannia, Gallia, Hispania, Italia, Austria, Hungaria, Ger- 

 mania, Suecia; Fennia, Rossia media. 



Finland bis zu Vasa (Reut. 16); St. Petersburg, Peterhof, 

 Yamburg (Osh. 10), Livland (Fl. 1), Moskau (Osh. 1). 



1497. betulae L. 



Ghermes Betulae L. Faun. Suec. sp. 1007; Thms. Op, ent. 8, 

 p. 832; Psylla id. Flor R. L. 2, p. 461; Psyll. p. 343, 350 et 

 353; F. LoEW Verh. Z. B. Ges. Wien 1879, p. 577; Edw. Hern. 

 Houi. Br. Isl. p. 246, t. 28, f. 5; ? Ghermes Zetterstedti Thoms. 

 Opusc. ent. 8, p. 832. 



Helvetia, Germania, Britannia, Suecia; Fennia, Rossia media. 



Finland: Vasa, Parikkala, Pargas, N. Karelien (Reut. 16), 

 St. Petersburg, Peterhof (Osh. 10), Livland (Fl. 1), Moskau, 

 Mojaysk (Osh. 1). 



1498. buxi L. 



Ghermes Buxi L. Syst. Nat. 1, pars. 2, p. 738; Thoms. Op. 

 ent. 8, p. 831; Psylla id. Leth. Cat. Nord. p. 90; Scott Psyll. 

 p. 534; Mey. Mitth. Schw. Ent. Ges. 3, p. 399; F. Loew Verh. Z. 

 B. Ges. Wien 1881, p. 169; Edw. Hem. Hom. Br. Isl. p. 249, 

 t. 28, f. 7. 



Suecia, Britannia, Gallia, Germania, Austria, Hungaria. 



1499. hippophaes Frst. 



Psylla Eij)pophaes Frst. Psyll. p. 73; Hey. Mitth. Schw. Ent. 

 Ges. 3, p. 400; Leth. Cat. Nord. p. 91; F. Loew Verh. Z. B. Ges. 



