the Coleopterous Family Erotylidce. (75) 451 



Abdomen beneath sliining, punctate, metasternum sparingly 

 and finely, sides more deeply punctate ; coxal lines visible. 



M. 2^osticus has lost the spots on the thorax and at the base 

 of the elytra. 



Mycotretus DeyroUii, sp. n. 



Oblongo-ovatus, fulvus, antenuis pedibus pectoreque nigris ; 

 capite crebre sat profunde punctato, thorace minus ci-ebre punc- 

 tato, punctis 6 nigris (2 anticis, 4 basalibus), scutello nigro ; 

 elytris punctato-striatis, interstitiis parce subtilissime punctulatis, 

 macula oblonga discoidali sat magna ante medium ; corpore subtus 

 punctulato, metasterno lateribus parcissime punctatis. L. 2f lin. 



St Catharina. 



Mycotretus tigrinus. 



Erotylus tigrinus, Ollv. Enc. Meth. vi. 437 (1791). 



Mycotretus , Lac. Erot. 145. 



: — leopardus, Kirsch in litt. 



Cayenne, St Paulo, Ega (Bates). 



Finely punctate, striae sub-gemellate ; beneath sparingly 

 punctate. The mentum is decidedly rounded in front, and this 

 has led Kirsch to consider it a new species. 



Var. j9arcZ«?i5. Elytris maculis majoribus, magis approxi- 

 matis ; elytris interstitiis distinctius punctatis. L. 3 — 3^ lin. 



Peru (Janson), Ecuador (Buckley), St Paulo (Bates). 



Mycotretus singularis. 



Mycotretus singularis, Lac. Erot. 148. 

 Columbia. 



Finely punctate-striate ; surface alutaceous, very finely punc- 

 tulate. 



Mycotretus trabeatus. 



Mycotretus trabeatus, Lac. Erot. 148. 

 Columbia. 



Api^arently more strongly punctate than M. singularis, and 

 always fulvous in colour, but possibly only a variety of it. 



Mycotretus tigratus. 



Mycotretus tigratus, Lac. Erot. 150. 

 nigrocincttis, Lac. Erot. 151. 



"Very near M. trabeatus, and pei-haps only a small variety of 

 it. M. nigrocinctus has lost the elytral spot, retaining only the 

 band. Columbia. 



