LIST 01- HOMOI'TEROIJS INSECTS. 



6. PSTLLA VIRIDIS. 



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



1848,3,72,6. 

 Psylla viridis, Harlig, Germ. Enl. Zeit. iii. 374, 3. 

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



c. ? 



? 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, Schmidberger, Kollar, Treatise on Injurious Itisects, 



Translated, 278. 

 a—f. 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 fraxinicola. 



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



1848,3,73, 11. 

 Prussia. 



11. Psylla Hii'pophaes. 



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

 Ver. Preim. Rheinl. 1848, 3. 



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



