new Species of Halticinse. 229 



obliquely rounded and converging to the apex, the latter pro- 

 duced, thickened, subacute ; hinder angles acute, mucronate ; 

 disk transversely convex, minutely punctured ; lateral margin 

 sroad, reflexed, its surface concave. Scutellum transverse, 

 tubtrigonate, its apex broadly rounded. Elytra broader than 

 he thorax, oblong-ovate, above moderately convex, more 

 coarsely punctured than the thorax, the punctures pale pice- 

 ous; lateral margin moderately dilated, slightly reflexed. 

 Basal joint of hinder tarsus equal in length to the second. 



Disonychafenestrata. 



D. clougato-ovata, modice convexa, nitida, subtus fulva, pectore, 

 abdomine femoribusque posticis nigris; supra nigra, antennis tho- 

 raceqiie fulvis, hoc tenuissime punctato, basi leviter trausversim 

 sulcato ; elytris distinete punctatis, utrinque plaga magna ob- 

 longo-quadrata flava, medio fascia interrupta nigra notata, ornatis. 



Long. 3 lln. 



Hah. Columbia. 



Head shining, impunctate ; antennae with the three lower 

 joints stained above with piceous. Thorax nearly twice as 

 broad as long; sides straight and nearly parallel, slightly 

 bisinuate, the hinder angles produced, acute. Elytra narrowly 

 oblong, distinctly punctured ; each with a large oblong-qua- 

 drate pale yellow patch, which extends from just before to 

 some distance below the middle of the elytron, and from side 

 to side nearly to the sutural and lateral margins ; on its sur- 

 face are several irregular black spots which form an interrupted 

 transverse band across its middle. 



Systena Oherthuri. 



S. elongata, modice convexa, pallide viridis, nitida, oculia nigris, 

 antennis extrorsum pallide piceis ; thorace tenuiter punctato ; 

 elytris thorace pauUo latioribus, paraUelis, sat crebre substriatim 

 punctatis, vitta suturali, pone medium abbreviata et utrinque 

 maculis tribus, una super callum humerale, oblonga, secunda 

 prope medium, trigonata, tertiaque ante apicem subrotundata, 

 piceis. 



Long. 3 lin. 



Hah. Matachin, Panama. Collected by Dr. O. Thieme. 



Vertex minutely and remotely punctured, front impressed 

 in the middle with a small fovea ; encarpaa trigonate, con- 

 tiguous ; eyes ro tun date, black ; apex of jaws nigro-piceous ; 

 antennae slender, filiform, more than three fourths the length 

 of the body, the seven outer joints pale piceous. Thorax 

 one half broader than long ; sides constricted and sinuate be- 

 hind the middle, converging in front, the anterior angles 



