336 HEMIPTERA. 



In an apparently immature specimen the head and anterior 

 portion of the thorax are brown ; the posterior portion of the 

 thorax, the scutellum and the abdomen beneath, pitchy ; the 

 breast and legs brownish testaceous. 



a. Venezuela. 



b. Columbia. From M. Goudot's Collection. 



c. Columbia. From M. Jurgen's Collection. 



d. British Guiana. Presented by Sir Robert Schomburgk. 



7. ACERATODES piperitus. 



Edessa piperitia, Hope, Cat. 29 (1837). 

 a. Brazil. 



8. ACERATODES albirenis. 



Edessa albirenis, H. Sch. Wanz. vii. 127. t. 249. fig. 774 (1844). 



Varies in colour from green to brown. 



a. Trinidad. 



b. Guadaloupe. Presented by M. Audinet Serville. 



c. Honduras. 



d. Jamaica. From Mr. Gosse's Collection. 



e. New Orleans. From M. Salle's Collection. 



Genus 4. BRACHYSTETHUS. 



Cimex, p., Fab. Ent. Syst. iv. (1794). 

 Edessa, p., Fab. Syst. R. (1803) ; Burm. Handb. ii. (1835). 

 Brachystethus, Lap. Hem. 63 (1832); Spin. Hem. 343 (1837); 

 Am. fy Serv. Hem. 160 (1843); H. Schdf. Wanz. viii. 1 



(1845). 



1. BRACHYSTETHUS marginatus. 



Brachystethus marginatus, Lap. Hem. 63. pi. 54. fig. 8 (1832); 

 Spin. Hem. 343. 1 (1837) ; Am. fy Serv. Hem. 161. 1 (1843). 



a. S. America. 



b. Demerara. 



c. . Presented by General Thomas Hardwicke. 



d. Columbia. From M. Goudot's Collection. 



2. BRACHYSTETHUS circumscriptus. 



Edessa circumscripta, Burm. Handb. ii. 356. 11 (1835). 

 Brachystethus circumscriptus, H. Sch. Wanz. viii. 2. t. 253, 

 fig. 789 (1845). 



a. Brazil. From M. Mornay's Collection. 



b. . 



