112 HEMIPTERA. 



Thighs and anterior tibiae reddish brown ; remaining tibiae pitchy; 

 tarsi ferruginous. Antennas ferruginous. Rostrum reddish brown. 



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



b. Columbia. 



3. CYRTOMENUS mutabiiis. 



Cydnus mutabiiis, Perty, Del. t. 33. fig. 6 (1834); Burm. Handb. 



ii. 375. 9 (1835). 

 Cydnus mirabilis, Perty, Del 166 (1834). 



a. Brazil. From Mr. Shuckard's Collection. 



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



Genus 3. ^ETHUS. 



Cydnus, p., Fab. S. R. (1803); Fall. Mon. dm. (1807) $ Hem. 



Suec. (1829); Hahn, Wanz. i. (1831); Ramb. Faun. And. ii. 



(1841?). 



Pentatoma, p., Pal. Beauv. Ins. 

 Cydnus, Am. $ Serv. Hem. 91 (1843). 



1. ^ETHUS nigerrimus, n. s. 



M. niger, punctatus; antennis piceis; tarsis anticis, rostroque 

 ferrugineis ; membrana nigra. ? , 

 Long. lin. 5^. 



Black, shining, punctured, with a few scattered bristles on the 

 margins. Head with the lateral lobes meeting beyond the cen- 

 tral; the anterior margin faintly notched. Eyes brownish. Thorax 

 transverse, quadrate, emarginate in front, with a row of coarse 

 punctures at the anterior margin behind the head, and an irre- 

 gular band of the same across the disc behind the middle. Scu- 

 tellum coarsely punctured towards the apex and on the lateral 

 margins. Coriaceous portion of the elytra rather more thickly 

 and finely punctured than the rest of the body ; membrane pitchy 

 black. Abdomen beneath with the disc very smooth, shining, 

 impunctate ; the sides rather finely punctured. Legs black ; an- 

 terior tarsi ferruginous. Antennae pitchy red. Rostrum ferrugi- 

 nous. 



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



2. ^ETHUS punctatissimus. 



M. niger, nitidus, punctatissimus ; thorace fascia transversa an- 

 tica laevi; scutello acuminato; elytrorum corio nigro-piceo, 

 membrana fuscescenti. ? . 

 Long. lin. 5. 



Black, somewhat shining, thickly and finely punctured. Head 



