82 CERAMBYClDJS. 



3. Pteroplatus sellatus, n. s. PI. III. f. 3. B.M. 



P. flavus, capite nigro bivittato, thorace margine vittisque duabus 

 dorsalibus nigris ; elytris singulis apice late-nigris maculaque 

 triangulari nigra ante medium ; abdomine subtus, antennis pe- 

 dibusque nigris. 



Head yellow, mandibles black, sides of head black, and a 

 black band meeting in front of the antennae and continuous with 

 the black band on the thorax. Thorax yellow, margins of under 

 side black, a black band on each side above, terminating in a 

 sharp point behind. Scutellum yellow at the base and across 

 the middle, a triangular black mark on each, the sutural side the 

 longest ; a wide portion of the tip black. Antennas black, the 

 second and following joints brushed with hairs on the outside ; 

 metathorax and under side of the abdomen black. Legs brownish 

 black, coxae of the two front pairs yellow. 



Length 6f lines. 

 Hab. Mexico (Puebla) (Mrs. Rouquette). 



4. Pteroplatus pulcher. 



Pteroplatus pulcher, Buq. Rev. Zool. Cuv. 1840, p. 287. 



Ann. Soc. Ent. Fr. ix. 286. 

 Hab. Columbia (Bogota). 



5. Pteroplatus suturalis. 



Pteroplatus suturalis, Buq. Rev. Zool. Cuv. 1840, p. 287. 



Ann. Soc. Ent. Fr. ix. 387. 

 Hab. Columbia (Bogota). 



6. Pteroplatus gracilis. 



Pteroplatus gracilis, Buq. Rev. Zool. Cuv. 1840, p. 287. 



Ann. Soc. Ent. Fr. ix. 388. 

 Hab. Columbia (Bogota). 



7. Pteroplatus Rostainei. 



Pteroplatus Rostainei, Buq. Rev. Zool. Cuv, 1840, p. 287- 



Ann. Soc. 'Ent. Fr. ix. 289. 

 Hab. Columbia (Bogota). 



8. Pteroplatus arrogans. 



Pteroplatus arrogans, Buq. Rev. Zool. Cuv. 1840. 



Ann. Soc. Ent. Fr. ix. 391. 

 Hab. Columbia (Bogota). 



