HEMIPTERA HETEROPTEEA. 



175 



14. Macrocephalus cbassimanus. 



Syrtis crassimana, Fabr. Syst. Rhyn. 123 — Macrocepbalus crassimanus, 

 Westiv. Trans. Ent. Soc. Lond. iii. 26. Serv. Hist. Hem, 292, pi. 6, f. 2. 

 Stal, Hem. Fabr. i. 94. 



South America. 



15. Macrocephalus tuberosus. 

 tub'erosus, King, Trans. Ent. Soc. Lond. iii. 24. 

 Cassapava. 



16. Maceocephalus obscubus. 

 obscurus, Westw. Trans. Ent. Soc. Lond. iii. 24. 

 South America. 



17. Macrocephalus fobtificatcs. 

 Syrtis fortificata, Mus. Berol. H.-Sch. Wanz. Ins. vii. 15, pi. 222, f. 695. 

 Brazil. 



MEMBKANACEA. 



A. Scutellum covered by the prothorax. - 



B. Scutellum not covered by the prothorax. 



1. Tingidid^e. 



2. PlESMIDiE. 



Fam. 1. TINGIDIDiE. 



Tingididae, Serv. Hist. Hem. 295. Fieb. Eur. Hem. 24- 

 (Agrammidae et Tingididae), Dougl. and Scott, Hem. 242. 



A. 



a. 



Winged. 



Antennae not very long. 

 Scutellum covered. 

 f Fore wings with no clavus. 

 X Third and fourth joints of the antennae much 



incrassaled. - 



\X Third joiut of the antennae cylindrical. 

 § Prothorax and fore wings with a vesiculose 



swelling. - 

 §§ No vesiculose swelling on the fore wings. 

 X Prothorax with three keels, 

 o Head unarmed. Prothorax forming hindward 

 a much elongated triangle, 

 oo Head horned. Prothorax almost rounded hind- 

 ward. - 

 X X Prothorax with one keel. - - - 

 ff Fore wings with a clavus. - - - 6. 

 ** Scutellum uncovered, 

 f Spines of head long, acute. 



Tingidida 



1. DlCTYONOTA. 



2. TlNGIS. 



3. monanthia. 



4. Cantacadee. 



5. Agbamma. 



Taphbostethus. 



