LIST OF HOMOPTEBOUS INSECTS. 



29. PSYLLA 8IMULANS. 



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



1848, 3, 80, 30. 

 Prussia. 



30. Psylla Fbasini. 



Psylla Fnixini, Curt. Brit. Ent.565. Hartig, Foerster, PsijU. Verh. 



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

 Chermes Fraxini, Linn. Si/st. Nat. ii. 739, 15. Faun. Suec. 1013. 



Fabr. Sp. Ins. ii. 392," 15. Manl. 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. Bert 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, fisq. 



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. PaVLLA PIOTA. 



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

 3,81,34. 



England. 



