416 rev. et mag. de zoologie. {Novembre 1866.) 



Centrinus suhnietnllipus. C. trigrammi Schh. affinis; elongato- 

 ovatus, aurichalceus, aotennis, rostro antice pedibusque sanguineis, 

 pnnctatus, albo , mesothorace utrinque dense setosis; rostro basi 

 longitudinaliter punctato-striato, punctis albo-sctiferis; capite con- 

 vexo, subopaco, remote subtiliter grosse punctato, punctis iuter 

 oculosdistinetioribus; thorace latitudine brcvior, antice supra obso- 

 lte subtus profunde conslricto, basi ad scutellura lobato utrinque 

 sinuato et subimpresso, angulis posticis obtuse rectis, latenbus an- 

 trorsum subrotundato-angustatis ; sublongitudiualiter plicatulis , 

 plicis convergentibus, lateribus, linea mdia, basi utrinque cretaceo- 

 transverse-setiferis ; scutellum nudum ; elytris breviter obconicis, 

 apice obtusis, utrinque leviter rotuudatis, convexis, striatis, striis 

 punctatis, interstitiis drplauatis, aurichalceis, 2, 6, 8 integris, 

 3, 4, 5, 7 postice cretaceo-breviter , reliquis aurichalceo-subtiliter- 

 setiferis; femoribus inermibus. Long. 2,1/2; lat. fere 1,1/3 mill. 



Habitat in Nova-Granata, Am. austr. 



Centrinus plieicollis. C. punctatissimi Schh. affinis; elongato- 

 ovatus, uiger, subnitidus, punctatus, albo , mesolhorace utrinque 

 dense setulosis ; roslro longitudinaliter ad basin deusiore antice ob- 

 solte punctato-striato, inter oculos deprimato; capite couvexo, opaco, 

 remote sparsim grosse punctato ; thorace latitudiue brevior, antice 

 supra subtusque obsolte coustricto, basi leviter margiuato, subim- 

 presso, sublobato, angulis posticis obtuse rectis, lateribus antror- 

 sum subrotundato-angustatis, supra subtusque sublongitudiualiter 

 plicatulis, plicis convergentibus, leviter transversim albo-setulosis; 

 elytris breviter obconicis, apice obtusis, utrinque leviter rotundatis, 

 convexis, striatis, striis punctatis, interstitiis deplauatis. subtilissime 

 puuctulatis, srie punctato albo-setifero dispositis; femoribus iner- 

 mibus. Long. 2,2/3, 3 ; lat. 1,1/3, 1,1/2 mill. 



Habitat in Nova-Granata, Am. austr. 



Centrinus Jekclii (Centrinus sutura-alba Jekel. in L.), elonga- 

 tus, niger, tibiis, tarsis, geniculis, autennarum clava sanguineis: 

 subopacus, dense cribrato-puuctulatus, leviter ,mesothorace utrin- 

 que densius albo-setulosis ; rostro subtus polito, utrinque subliuea- 

 tim punctulato, punctis antice minutissimis; capite cribrato-punctu- 

 lato; thorace subquadrato ; ;'.ntice truncato, leviter constriclo et an- 

 guste laevi, lateribus leviter , antrorsum evidenter rotundatis, 

 basi bisinuato, marginato, utrinque impresso; convexo, linea mdia 

 lougitudinali \x\\, cribrato-punctulato, punctis confluoutibus, leviter 



