LFST OF HOMOPTEROUS INSECTS. 499 



• 



^Geiius 7. PTERYGIA. 



Centrotus, Fahr. 

 Oxyrhachys, Germ. 



Pterygia, De Laporte, Ann. Soc. Ent. Ft. i. 

 ^oiocera, Amyot ei Serv. Hist. Nat. Hem. 536, 427. 



Group 1. Fairm. Ann. Soc. Ent. Fr. 2me Serie, iv. 263. 



'"1. Pterygia aeietina. 



Pterygia arietina, Fah-m. Ann. Soc. Ent. Fr. 2me Serie, iv. 263, 1. 

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

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

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



02. Pterygia trepida. 



tri podia, 2 

 ^ f. 30. 



Cayenne 



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

 pi. 7, f. 30. 



03. Pterygia cruciata. 



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



Centrotus cruciatus, Fabr. Syst. Rhyn. 18, 8. Stoll, Cic. 22, pi. 2, 



f. 8, 61, pi. 15, f. 77. Perty, Del. An. Art. Bras. 179, pi. 35, 



Notocera cruciata, Amyut et Serv. Hist. Nat. Hem. 536, 427, 1. 

 Cayenne. 



4. Pterygia quadridens. 

 quadridens 



Cayenne 



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

 264, 4. ' 



O5. Pterygia crassicornis. 



Pterygia crassicornis, Fairm. Ann. Soc. Ent. Fr. 2m£ Serie iv. 

 264, 5. ' 



Brazil. 



