LIST OF HOilOPTEROUS INSECTS. 927 



15. TniOZA NIGEICORMS. 



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

 1848,3,86, 16. 



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



16. Trioza pixicola. 



Trioza pinicola, Foerster^ Psyll. Verh. Nat. Ver. Preitss. Rheinl. 



1848,3,86, 15. 

 Psylla Pini ? Geoff] Ins. Par. i. 488, 6. 

 Cherraes Pini ? Linn. Si/st. Nat. 736, 25. Faun. Suec. Ed. i. 699. 



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



112. 

 PityopsyllcJ, 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, 18 i 9. 

 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. 



