LIST OF HOMOPTEROUS INSECTS. 927 



15. TrIOZA NIGRICORNIS. 



Trioza nigvicornis, Foerster, Psyil. Verh. Nat. Ver. Preuss. Rhdnl. 



1848,3,86, 16. 



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



16. Trioza pinicola. 



Trioza pinicola, Foerster, Psyll. Verh. Nat. Ver. Preuss. Rheinl. 



1848,3,86, 15. 

 Psylla Pini ? Geof. Ins. Par. i. 488, 6. 

 Chermes Pini ? Lin7i. Si/st. Nat. 736, 25. Faun. Suec. Ed. i. 699. 



Gmel Ed. Syst. Nat. i. 4, 2213, 19. Stew. El. Nat. Hist. ii. 



112. 

 Pityopsylla, Amyot, Ann. Soc. Ent. Fr. 2me Serie, v. 461, 513. 



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



17. Trioza? Laricis. 



Psylla Laricis, Macquart, Recueil Trav. Soc. Sci. Lille, 1819. 

 Cnaphalodes Laricis, Amyot et Serv. Hist. Nat. Hem. 595. 

 Cnaphalodes, Amyot, Ann. Soc. Ent. Fr. 2me Serie, v. 460, 512. 



France. 



18. Trioza femoralis. 



Trioza femoralis, Foerster, Psyll. Verh. Nat. Ver. Preuss. Rheinl. 

 1848, 3, 86, 17. 



Germany. 



19. Trioza acutipennis. 



Chermes acutipennis, Zett. Faun. Lapp. i. 554, 5. Ins. Lapp. 



308, 5. 

 Trioza acutipennis, Foerster, Psyll. Verh. Nat. Ver. Preuss. Rheinl. 



1848, 3, 87, 18. 



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



