OF PHYTOPHAGOUS COLEOPTERA. 



351 



but not deeply punctured : on either side the basal lobe is a di- 

 stinct excavation. Scutellum elongate-trigonate. Elytra very 

 convex, much attenuated towards the apex, the humeral callus 

 prominent ; punctate-striate, interspaces sparingly impressed with 

 very minute punctures, outer interspaces faintly convex. 



Lamprosoma armatum, n. sp. Ovatum, postice attenuatum, valde 

 convexum, subtus nigro-caeruleum, nitidum, supra granulosum, subni- 

 tidnrn, plumbeum, capite aeneo-raicante, ore antennisque nigris ; clypeo 

 antice paullo inflexo, concavo-emarginato thorace remote tenuiter 

 punctate ; elytris evidenter punctato-striatis ; prosterno subquadrato- 

 oblongo, postice piano, antice paullo concavo, margine antico utrinque 

 in dentem vaUdum deorsum producto. Long. 3| lin., lat. 3 lin. 



Hab. Columbia. 



Head granulose, fiuely but remotely punctured ; clypeus 

 almost entirely separated from the face by a sutural line, its an- 

 terior portion incurved, its apex concave-emarginate ; labrum 

 black, its anterior surface obliquely depressed, concave, its apex 

 produced into two short obtuse lobes. Thorax more than twice 

 as broad as long at the base ; sides converging and moderately 

 rounded from base to apex, slightly flattened on the middle and 

 towards the apex; basal margin very oblique and bisinuate on 

 either side, median lobe distinctly produced, its apex subacute ; 

 upper surface granulose, finely and distantly punctured, the 

 puncturing rather stronger at the sides and base ; at the base on 

 either side the median lobe is a distinct excavation. Scutellum 

 black. Elytra distinctly punctate-striate. Prosternum nearly 

 twice as long as broad, dilated in front, the anterior margin pro- 

 duced on either side into a strong acute tooth ; surface plane, con- 

 cave in front, distantly punctured. 



G-enus Dortphoea, 111. 



DoRYPHORA VERRUCOSA, n. sp. Rotundato-ovata, valde convexa, 

 niger, subtus nitida, supra opaca, vertice puncto rufo arinato ; thorace 

 fere impunctato ; elytris sat profunde inordinatira punctatis, interspa- 

 tiis elevatis, verrucosis ; nitide fulvis, margine externo angusto lim- 

 boque inflexo nigris ; mesosterni spina valida, quam metasternum paullo 

 longiore. Long. 7 hn. 



Hah. Brazil, New Friburg. 



Head distantly and remotely punctured ; vertex impressed with 

 a longitudinal groove. Thorax more than twice as broad as long ; 

 sides straight and nearly parallel from the base to the middle, 

 then obliquely rounded and converging to the apex, the latter 



