330 HEMIPTERA. 



patch on the apex and a smaller one towards the base ; outer 

 margin greenish ; membrane brownish, semitransparent. Body 

 beneath yellow, smooth, shining, impunctate. Legs yellow. An- 

 tennae orange, with the second joint shorter than the third. 



a. Brazil. Presented by Francis Walker, Esq. 



b. British Guiana. Presented by Sir Robert Schomburgk. 



26. EDESSA triangularis, n. s. 



E. capite, thorace, corporeque subtus, viridibus ; thoracis mar- 

 gine postico, scutelloque fulvescentibus ; humeris prominen- 

 tibus, apice nigris ; elytris fuscis, margine exteriori basi nigro ; 

 pedibus testaceis ; antennis pallide fulvis. $ . 

 Long. lin. 8. 



Body triangular in front, the sides of the head being nearly 

 continuous with the lateral margins of the thorax. Head green, 

 impunctate, with the lateral lobes finely wrinkled. Thorax 

 green, sparingly punctured with black, and with a line of black 

 punctures between the lateral angles and nearly touching the 

 centre of the posterior margin; posterior margin fulvescent, 

 punctured with brown ; lateral angles prominent, somewhat 

 acute, tipped with black. Scutellum pale greenish fulvous, 

 rather strongly but sparingly punctured with brown at the base ; 

 the apical portion greenish, finely and thickly punctured with 

 brown; apex rather acute. Coriaceous portion of the elytra 

 brown, with the base and outer margin testaceous, punctured 

 with brown ; outer margin black at the base ; membrane trans- 

 parent, brownish, slightly brassy. Margins of the abdomen 

 green, with a minute brown spine at the posterior angle of each 

 segment ; apical spines dark brown. Body beneath green. Ab- 

 domen impunctate, with the central keel yellow, shining; a 

 short, impressed, transverse line close to each of the stigmata. 

 Breast rather strongly punctured, with a large, dull green im- 

 punctate space on each side. Legs testaceous. Rostrum testa- 

 ceous, with the tip black. Antennae pale fulvous, with the second 

 joint a little longer than the third. 



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



27. EDESSA polita. 



Pentatoma polita, LeP. Sf Serv. Enc. x. 54. 9 (1825). 

 Edessa nervosa, Burm. Handb. ii. 355. 7 (1835). 

 Pygoda polita, Am. $ Serv. Hem. 159. 1 (1843). 

 Stoll, Pun. 98. pi. 25. fig. 174. 



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



b. Bahia. Presented by M. Reiche. 



