HEMIPTERA. /9 



3. STIRETRUS violaceus. 



Tetyra violacea, Say, Am. Ent. t. 43. fig. 2 (1828). 

 Stiretrus violaceus, Germ. Zeits. i. 12. 3 (1839) ; Am. 8f Serv. 

 Hem. 76. 2. pi. 1. fig. 1 (1843). 

 a. . 



4. STIRETRUS caeruleus, n. s. 



5. cseruleus, nitidus, punctatus ; scutello abdominis apicem fere 

 attingente, apice obsolete carinato ; elytrorum membrana fus- 

 cescente, margine hyalino ; spina ventral! flava. 9 . 



Long. lin. 4|. 



Deep blue, shining, punctured. Head sparingly punctured, 

 somewhat rugose, with the central lobe reaching the anterior 

 margin, which is very slightly emarginate. Thorax very coarsely 

 punctured, the punctures arranged in irregular groups. Scutel- 

 lum reaching nearly to the apex of the abdomen, with a slightly 

 raised longitudinal line on the disc ; the base coarsely and scan- 

 tily, the apical portion finely and thickly punctured. Elytra with 

 the coriaceous portion finely punctured, the disc smooth ; mem- 

 brane brown, with the margin hyaline. Abdomen punctured to- 

 wards the margins, the disc smooth ; ventral spine yellow, reach- 

 ing the intermediate coxae. Breast coarsely and sparingly punc- 

 tured ; the suture between the meso- and metathorax dull brown- 

 ish black. Head beneath orange at the base. Legs blue-black. 

 ~ istrum and antennae black. 

 a. Mexico. 



STIRETRUS lythrodes. 



Stiretrus lythrodes, Germ. Zeits. i. 14. 8 (1839); H. Sch'dff. 

 Wanz. v. 4. t. 145. fig. 457 (1839). 

 a. Brazil. Presented by J. C. Bowring, Esq. 



6. STIRETRUS ruficeps, n. s. 



S. eupodi, Perty, valde affinis; viridis, nitidus, punctatus ; capite 

 rufo ; pedibus runs, tibiis apice nigris. ? . 

 Long. lin. 4J. 



Deep bluish green, brassy, shining. Head orange-red, finely 

 and sparingly punctured. Eyes black. Thorax coarsely punc- 

 tured, the punctures arranged in irregular patches on the disc ; 

 anterior margin with a small spine on each side. Scutellum with 

 a smooth, longitudinal, raised line on the disc ; the base with a 

 few scattered coarse punctures ; the apical portion thickly and 

 finely punctured. Elytra with the coriaceous portion rather finely 

 punctured ; the disc nearly smooth, with only a few very minute 

 punctures ; membrane transparent. Abdomen with the disc im- 



