LrST OF HOMOPTEROnS INSECTS. 49f 



Geuus 7. PTERYGIA. 



Centrotus, Fabr. 



Oxyihachys, Germ. 



Pterygia, De Lajiorte, Ann. Soc. Ent. Fr. i. 



Nolocera, Aimjot et Serv. Hist. Nat. Hhn. 636, 427. 



Group I. Fairm. Ann. Soc. Ent. Fr. 2me Sirie, iv. 263. 



1. Pterygia akietina. 



Pterygia arietina, Fairm. Ann. Soc. Ent. Fr. 2me Sirie, iv. 263, 1. 

 Oxyrachys arietina. Germ. Silb. Rev. Ent. iii. 308. 

 o, b. Brazil. Presented by John Miers, Esq. 

 c, d. Brazil. From Mr. Stevens' collection. 



2. Ptekygia tuepida. 



tripodia, Fa 



, f. 30. 

 Cayenne. 



Pterygia tripodia, Fairm. Ann. Soc. Ent. Fr. 2me Sirie, iv. 263, 2, 

 pl.7, f. 30. 



3. Pterygia cruciata. 



Pterygia cruciata, Fairm. Ann. Soc. Ent. Fr. 2me Sirie, iv. 264, 3 



Centrotus cruciatus, Fabr. Syst. Rhi/n. 18, 8. Stall, Cic. 22, pi. 2, 



f. 8, 61, pi. 16, f. 77. Perty, Del. An. Art. Bras. 179, pi. 35, 



f. 14. ' 1 • 



Notocera cruciata, Amijut et Serv. Hist. Nat. Him. 536, 427, 1. 

 Cayenne. 



4. Pterygia qdadbidens. 

 quadriden 



Cayenne. 



Pterygia quadridens, Fairm. Ann. Soc. Ent. Fr. 2me Sirie, iv. 

 264, 4. ' 



5. Pterygia crassicornis. 



Pterygia crassicornis, Fairm. Ann. Soc. Ent. Fr. 2me Sirie iv. 

 264, 5. ' 



Brazil. 



