68 MYCOTRETUS. 



Mycotretus tricolor, sp. n. 



Oblongo-ovatuF«, sat latus, sulxlepressiLS, la^te rnfo-testaceuS;, 

 elytris nigris, fascia subapicali albida; capite tlioraceqne punctu- 

 latis, elytris tenue iiiinctatostriatis, interstitiis subtilissime punc- 

 tiiiatis, metasterno lateribiis puiictulatis. L. ih Hn. Ega (Bates). 



The aiitenn?e are rather long, the cKib jointed and loose, almost 

 dentate within. 



Mycotretus dimidiatns, sp. n. 



Ovatus, niger, nitidiis, clypeo, labro, macula utrinqiie prope 

 oculos, antennis basi, tarsis, abdomineque ochraceis ; prosterno 

 pectoreque obsolete rufo-signatis; elytris dimidio basali late flavo, 

 punctato-striatis, interstitiis subtiliter puiictulatis. L. 4 lin. 



Ega (Bates). 



This is less depressed than the preceding group of species. 

 Metasternum with the sides sparingly punctate. 



Mycotretus rhodosomus. 



I,[)lcofretus rliodosomus, Lac. Erot. 166. 

 Brazil. 



I)e[)resscd, opaque, antennal club 3-jointed, posterior tibice 

 consjiicuoiisly incurved. 



Mycotretus flavomarginatus. 



Mycotretus flavomarghiatus, Lac. Erot. 1-57. 

 Kio Janeiro. 



Interstices very In-oad, hardly punctulate; posterior coxal lines 

 absent. Allied to M. rho'Iosomus and with similar tibito. 



Mycotretus dorsofasciatus. 



]\l ijcotretus dorsofasciatus, Lac. Erot. 173. 

 Brazil. 



Elytra with an opaline lustre, interstices finely transversely 

 wrinkled ; body beneath very finely and sparingly i)ubescent. 



Mycotretus opalescens, sp. n. 



M. dorsofasciato proximus, capite postice nigricante, thorace 

 punctis 4 discoidalibus (2 internis mnjoribus) elytris fascia basali 

 [puncto subhumerali testaceo (altera(j[ue pone medium) postice 

 indefinita] nigiis. L. 2.Hin. 



Hantarem, Ega, S. Baulo (Bides). 



Finely ])ubescent beneath. This is much more ojialescent than 

 M. dorsofasciatus ; the basal fascia is sometimes reduced to a black 

 lunule enclosing the shoulder, and the vsuba|)ieal one to a narrow 

 line. Accords with M. 2^elliciens, Kirsch, in coll. 



