914 LIST OF HOMOPTEKOUS INSECTS. 



6. PSTLLA VIRIDIS. 



Psylla crataegicola, Foerster, Psyll. Verh. Nat. Ver. Prems. Rheinl. 



1848, 3, 72, 6. 

 Psylla viridis, Hartig, Germ. Ent. Zeit. iii. 374, 3. 



a, b. England. Presented by F. Walker, Esq. 



c. ? 



d. ? Presented by F. Walker, Esq. 



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



7. Psylla Mali. 



Psylla Mali, Foerster^ Psyll. Verh. Nat. Ver. Preuss. Rheinl. 1848, 



3, 72, 8. 

 Chermes Mali, Schmidherger^ Kollar, Treatise on Injurious Insects, 



Translated, 278. 



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



8. Psylla Carpini. 



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

 1848, 3, 72, 9. 



Prussia. 



9. Psylla dubia. 



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

 3, 73, 10. 



Prussia. 



10. Psylla feaxinicola. 



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

 1848,3,73, 11. 



Prussia. 



t 11. Psylla Hippo phaes. 



Psylla Hippophaes, Von Heyden, MSS. Foerster, Psyll. Verh. Nat. 

 Ver. Preuss. Rheinl. 1848, 3. 



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



