1903.] SOUTn-AMERICAX COLEOPTERA. 55 



Prosicela maculata, sp. laov. 



Metallic blue or gi'een ; thorax finely and irregularly punctured ; 

 elytra flavous, strongly punctured in very ii'regular rows, the 

 suture narrowly, a spot on the shoulders and anothei' below the 

 middle, metallic blue. 



Var. The humei'al spot absent. 



Leng-th 8-10 millim. 



Head I'emotely punctured, antennae neai-ly extending to the 

 middle of the elytra, black, the last joint elongate; thorax 

 irregularly and finely punctui-ed, more closely so near the base ; 

 scutellum smooth ; elytiu wider at the base than the thorax, 

 strongly punctured, the rows irregular and often doubled, the 

 suture (to the extent of the first row of punctures) metallic blue, 

 gradually nari'owed towards the apex, the shoulders with a small 

 blue spot, the disc below the middle with another short, somewhat 

 obliquely placed, elongate spot. 



Sab. Marcapata, Peru. 



Closely allied to P . Jlavi2)en7iis Erichs., but with more strongly 

 and more irregularly punctured elytra beaiing two spots each, 

 which are absent in Erichson's species. 



Prosicela ijsorxata, sp. nov. 



Metallic clai-k green, the antennae black, elongate ; thorax very 

 finely and subremotely punctured ; elytra pale fulvous, finely and 

 i-ather closely geminate punctate-stiiate. 



Length 10 millim. 



Very closely allied to the preceding species, but the thorax 

 more finely punctui'ed ; the elyti-a geminate- punctate and without 

 any metallic suturai stripe or spots ; the sides of the thoiux are 

 perfectly straight. 



Hab. Prov. Huallaga, Peru. 



Similar in coloration to P. simplicipennis Jac, but the thorax 

 much more transverse, and the elytra more strongly punctured 

 and in double I'ows. 



Zygogramma ij^terstitialis, sp. nov. 



Greenish aeneous ; thorax very strongly punctured at the sides, 

 less so at the middle, lateral margins flavous ; elytra very strongly 

 2)unctate-striate, interstices finely punctured, basal margin, third 

 and last interstice flavous, joined at the apex. 



Va7\ Antennse and tibiaj more or less fulvous. 



Length 6 millim. 



Head finely punctured, the labrum fulvous ; antennae with the 

 lower four or five joints fulvous, the rest black, sti-ongly trans- 

 versely widened; thorax with flavous lateral margins, very 

 strongly but sparingly punctured at the sides, somewiaat closely 

 but less strongly so at the disc ; elytra with deep and rather 

 remotely placed punctures regularly arranged, the suturai rows 

 finer, the third and tenth interstices flavous, the latter with a deep 



