THE ENTOMOLOGIST 



Vol. XXXVII] DECEMBER, 1904. [No. 499. 



DESCRIPTION OF SOME NEW SPECIES OF 

 PHYTOPHAGOUS COLEOPTERA. 



By Martin Jacoby. 



Chlamys semicristata, sp. n. 



Pale fulvous, with closely-placed black punctures ; thoracic eleva- 

 tions rounded, the top with a circular and two short oblique ridges, 

 the sides with others of transverse shape ; elytra with about ten iso- 

 lated tubercles and the usual longitudinal costae. Length 3 millim. 



Head pale fulvous, sparingly punctured with black ; anterior edge 

 of the clypeus black ; antennfe liavous ; thorax punctured, like the 

 head, with a gradually-raised posterior round elevation, the top of which 

 is furnished by two oblique ridges ; in front of these another short 

 ridge includes a semicircular space when viewed sideways, while three 

 others extend down the sides of the elevation for a short space ; the 

 rest of the surface is unevenly reticulate and punctured ; the basal 

 lobe is divided into two points ; scutellum short, piceoas ; elytra with 

 closely-placed black punctures and the following pointed tubercles : — 

 three at the base, placed triangularly ; a larger one near the suture at 

 the middle ; two smaller ones opposite, nearer the lateral margin and 

 connected by a transverse ridge ; the posterior portion has three 

 tubercles placed transversely, and three or four others near the apex 

 more or less connected by ridges ; longitudinally these tubercles are 

 likewise connected by the usual four costas ; pygidium rugose, carinate 

 at the middle ; breast foveolate-punctate ; abdomen with black punc- 

 tures; legs with a small dark spot at the femora; prosternum gradually 

 narrowed and posteriorly. 



Hah. Venezuela. 



Chlamys balyi, sp. n. 

 Obscure fulvous, more or less spotted with black or black with 

 fulvous spots ; thorax with a moderate rounded elevation, the top with 

 two feeble ridges closely and deeply punctured, the sides subtubercu- 

 late ; elytra deeply punctured, wdth feebly-raised tubercles and longi- 

 tudinal ridges, the largest tubercle near the suture below the middle. 

 Length 1 line. 



ENTOM. — DECEMBER, 1904. 2 C 



