918 LIST OF HOMOPTEROUS INSECTS. 



29. PSYLLA SIMULANS. 



Psylla simulans, Foerster, Psyll. Verh. Nat. Ver. Preuss. RheinL 

 1848, 3, 80, 30. 



Prussia. 



30. Psylla Fbaxini. 



Psylla Fraxini, Curt. Brit. Ent. 565. Hartig, Foerster, Psyll. Verh. 



Nat. Ver. Preuss. Rheinl. 1848, 3, 80, 31. 

 Chermes Fraxini, Linn. Syst. Nat. ii. 739, 15. Faun. Suec. 1013. 



Fair. Sp. Ins. ii. 392, 15. Mant. Ins. ii. 318, 15. Ent. Syst. 



iv. 223, 15. Syst. Rhyn. 305, 15. Gmel. Ed. Syst. Nat. i. 4, 



2313, 15. Schrank, Faun. Boic. ii. 1, 141, 1248. Berk. Syn. 



i. 122. Stew. El. Nat. Hist. ii. 112. Turt. Syst. Nat. ii. 711. 



Kirby and Spence, Intr. Ent. pi. 28, f. 18. 



a — d. England. Presented by F. Walker, Esq. 

 e. Scotland. Presented by E. Doubleday, Esq. 

 /, g. Prussia. Presented by E. Doubleday, Esq. 

 h, i. Prussia. Presented by F. Walker, Esq. 



31. Psylla Heydeni. 



Psylla Heydeni, Foerster, Psyll. Verh. Nat. Ver. Preuss. Rheinl. 

 1848,3,81,32. 



a. Prussia. Presented by F. Walker, Esq. 



32. Psylla alpina. 



Psylla alpina, Foerster, Psyll. Verh. Nat. Ver. Preuss. Rheinl. 1848, 

 3,81,33. 



Bernese Alps. 



33. Psylla picta. 



Psylla picta, Foerster, Psyll. Verh. Nat. Ver. Preuss. Rheinl. 1848, 



3,81,34. 

 England. 



