LIST OF HOMOPTEKOUS INSECTS. 



19. PSYLLA COSTATO-PUNOTATA. 



Psylla costato-punctata, Foerster, Psyll. Verh. Nat. Ver. Preuss. 



Rlieinl. 1848,3,70,20. 

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



20. Psylla rukuia. 

 Psylla rufula, Foerster, Psyll. Verh. Nat. Ver. Preuss. Rheiiil. 1848, 



3,76,21. 

 Prussia. 



21. Psylla pumipennis. 



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

 1848, 3, 76, 22. 



Prussia. 



22. Psylla Pruni. 



Chermes Piuni, Scopoli, Ent. Cam. 140, 414. Omel. Ed. Syst. 



Nat. i. 4, 2214, 23. Schrank, Faun. Boic. ii. 1. 142, 1254. 



Stew. El. Nat. Hist. ii. 112. 

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



3, 77, 23. 



Europe. 



23. Psylla Pybi. 



Psylla Pyri, Stephens, Curt. Brit. Ent. 565, 5. Burm. Handb. Ent. 



ii. 1,98, 2. Knight, Hort. Trans. Ser. 2, ii. 107. Loudon's 



Gardener's Mag. 92, 1837, 525. Ruricola, Gard. Chron. ii. 



(1842), 166. Foerster, Psyll. Verh. Nat. Ver. Preuss. Rheinl. 



1848, 3. 

 Chermes Pyri, Linn. Syst. Nat. i. 2, 737, 4. Faun. Suec. 1004. 



Fabr. Sp. Ins. ii. 390, 3. Mant. Ins. ii. 317, 3. Ent. Syst. 



iv.221,3. Syst. Rhyn. 303, 3. I)eg.Ins.m.9l,2.f\.9,t.l, 



16. Schrank, Faun. Boic. ii. 1, 142, 1253. Gmel. Ed. Syst. 



iVa<. i. 4,2211,4. Berh. Syn. i. 121. Stew. El. Nat. Hist.ii. 



111. Turt. Syst. Nat. ii. 710. Shaw, Gen. Zool. vi. 187, pi. 



59, f. sup. Schmidberger, Kollar, Treatise on Injurious Insects, 



Trans. 276. 

 Apiopsylla, Amyot, Ann. Soc. Ent. Fr. 2me Sirie, v. 469. 



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

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



