LIST OF HOMOPTEROUS INSECTS. 



41. PSYLL.V GbAMINIS. 



Chermes Airte-flexuosEB, Linn. Si/st. Nat. ii. 737, 1 . Faun. Suec. 



1001. 

 Chermes graminis, Fabr. Sp. Ins. ii. 390, 1. Mant. Inn. ii. 317, 1. 



Ent.Syst.\v.'i,2\, 1. Syst. Rhyn. 303,1. Gmel. Ed. Syst. 



Nat. i. 4, 221 1, 2. Berk. Syn. i. 121. Steiv. El. Nat. Hist. ii. 



111. Turt. Syst. Nat. ii. 710. 



42. PSYLLA NIGBITA. 



Chermes nigrita, Zett. Faun. Lapp. i. 656, 9. Ins. Lapp. 309, 9. 

 Lapland. 



43. PsYLLA PULCHRA. 



Chermes pulchra, Zett. Ins. Lapp. 309, 10. 

 Lapland. 



44. PsYLLA ELEOANTULA. 



Chermes elegantula, Zett. Ins. Lapp. 310, H. 

 Lapland. 



Note. — The following species may not belong to the genus 

 Psylla as it is defined by Foerster. 



45. PSTLLA SUBFASCIATA. 



Psylla subfasciata, Erichson, Arch. 1842, i. 286. 

 Van Diemen's Land. 



46. Psylla luteola. 

 Psylla luteola, Erichson, Arch. 1842, i. 286. 

 Van Diemen's Land. 



47. Psylla? Cebastii. 



Chermes Cerastii, Linn. Syst. Nat. ii. 737, 3. Faun. Suec. 1003. 

 Fabr. Sp. Ins. \\. 390, 4. Manl. Ins. ii. 3\7, 4. Ent.Syst.iv. 

 221, 4. Syst. Rhi/n. 303, 4. Gniel. Ed. Syst. Nat. i. 4, 221 1, 

 3. Stew. El. Nat. Hist. ii. 111. Turt. Syst. Nat. ii. 710. 



Europe. 



