490 PSOCIDJE. 



27. PsOCCS OBSOLETUS. 



Pallide rufo-ochraceus ; capite postice ahdominisque macula dorsali 

 atris ; alee obscure fuscescentes, xenis tenuissimis saturatio- 

 ribus. 



Psocus obsoletus, Steph. III. Brit. Ent. Mand. vi. 123, 22. 



a. England. 



28. PSOCUS HYALINUS. 



Fusco-piceus ; abdomen basi ochraceo-Jlavum ; pedes rufo-picei ; 

 alee limpida, stigmate fusco. 



Psocus hyalinus, Steph. III. Brit. Ent. Mand. vi. 123, 23. 

 a, b. England. 



29. PSOCUS BIPUNCTATUS. 



Flavo nigroque varius ; ala hyalina>, anticaz maculis duabus 

 nigricaritibus. 



Hemerobius bipunctatus,Li«?2. Si/at. Nat. ; Faun Suec. 1514. Fabr. 



Ent. Syst. ii. 86, 23. Turt. Syst. Nat. iii. 403. 

 Hemerobius Aphidioides, Schr. Ins. Austr. 629. 

 Psylla Aphidioides, Geoff r. Ins. Par. i. 488, 7. 

 Psocus bipunctatus, Fabr. Ent. Syst. Suppl. 204, 7. Latr. Coqueb. 



III. Icon. ii. pi. 2, f. 3. Panz. Faun. Ins. Germ. xciv. f. 21. 



Leach, Edin. Encycl. ix. 139. Steph. III. Brit. Ent. Mand. 



vi. 123, 24. Burm. Handb. Ent. ii. 779, 14. Ramb. Hist. 



Nat. Ins. Neur. 321,7. 



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

 e — g. England. 



30. PSOCUS SEXPONCTATUS. 



Fuscus; alai anticee maculis fuscis punctisque sex distinctis. 



Hemerobius sexpunctatus, Linn. Syst. Nat. ii. 913 ; Faun. Suec. 

 1511. Fabr. Ent. Syst. ii. 86, 20. Berk. Syn. i. 151. Stew. 

 Elem. Nat. Hist. ii. 216. Turt. Syst. Nat. iii. 402. 



