474 (98) Mr. G. R. Crotcli's Revision of 



Mycolybas lucidus. 



Lyhas lucidus, Lac. Erot. 232. 



Brazil. 



This species is very distinct, having no coxal lines, and the 

 tibiae being suddenly angularly dilated at the apex; the meutum 

 a])pears to be almost as in Mycotretus. 



Mycolybas Eg 83, sp. n. 



3L hicido proximus, sed opacus, pallide coccincus, elytiis mar- 

 gine tenui apiceque flavis; cn])ite antice fortius punctato, sutura 

 clypeali distincta; thorace subtilius punctato; ely tr is minus visibi- 

 liter striatis, interstitiis vix punctatis, corpore subtus pmictulato, 

 meta-ejjijjleuris flavis. L. 4^ lin. Ega (Bates). 



Antennae with a 3-jointed club. 



Mycolybas cruentatus. 



Lyhas cruentatus, Kirsch, B. E. Z. ix. 97 (1865). 



M. hicido affinis, sed thorace fortius punctato distinctus. 



Bogota (Kirsch), N. Granada. 



A specimen from N. Granada diflfers from Kirsch's type in 

 having the thorax more Jike M. lucidus, and the legs black : pos- 

 sibly all three form one species. 



Mycolybas melanocorynus. 



Lyhas melanocorynus, Lac. Erot. 233. 

 Brazil. 



Mycolybas (?) sanguinosus.* 



Ischyrns sanguinosus. Mots. Et. Ent. 1858, 116. 

 Columbia. 



Mycolybas (?) coccineipennis.* 



Ischyrus coccineipennis, Mots. Et. Ent. 1858, 117. 

 Central America. 



Palseolybas. 



g. n. {typ. andreie, Crotch). 



This genus is apparently the representative of the S. American 

 Lyhas, which it i-esembles in its convexity and polish; the most 

 marked character is the ti-iangular dilatation of the tibial, which 

 extends to their whole length. The thorax is not margined, the 

 prosteruum is margined on either side but not keeled in fiont, 



