(581 ) 



Descriptions of new American Cetoniid.e; by Olia^er E. Jansox. 

 Part 11. 



Gymnetis suilla, n. sp. 



Above obscure smoky-black, the sides of the thorax and the 

 elytra obscvire smoky cinereous, the latter clouded with black, 

 and with an ill-defined spot in the middle, a J -shaped mark 

 behind and the punctures black; apex of the scutellum covered 

 with pale yellow pubescence ; underside and legs shining black, 

 sparsely pubescent. Head sparsely but rather coarsely punc- 

 tured, apex of the clypeus slightly elevated and impressed in the 

 centre. Thorax with a central elevation in front, the sides 

 rounded, sparsely and finely punctured on the disc, with some 

 scattered coarser punctures at the sides. Elytra with irregular 

 rows of very coarse punctures on the disc, and rows of fine 

 punctures at the sides, the apex strigose, the suture and inner 

 carina moderately elevated, apical angles acutely produced. 

 Pygidium and underside coarsely strigose; mesosternal process 

 rather short, rounded and slightly divergent. Length 12-11 mm. 



Venezuela (Coll. A. Fry). 



Allied to G. Uturata, Oliv., but differs in its narrower form, 

 more coarsely punctured elytra, dark coloiu', and in having tlie 

 thorax elevated in front. 



Gymnetis ravida, n. sp. 



Above fulvous-brown, opaque, slightly clouded Avith fuscous, 

 the punctuation, pygidium, underside and legs pitcby-black, 

 elytra Avith tAvo small black spots near the lateral margin, the 

 first in the middle and the other about one-foin-th from the 

 apex, pygidium, sides of the body and legs speckled Avith 

 fulvous. Head and thorax sparsely punctured, the lobe of 

 the latter smooth at the apex, apex of the clypeus slightly 

 emarginate. Elytra Avith irregular roAvs of semicircular punc- 

 tures on the disc, a confluent mass of similar punctures at the 

 apex, and some fine punctures at the sides, the suture and tlie 

 inner carina slightly elevated and smooth, the apical angles 



CiSTULA EnTOMOLOGICA, 



24th February, 1881. 



