CERAMBYCIDiE. /9 



narrowly margined with black, the black extending to the under 

 side ; the under side rufescent and pubescent, especially on the 

 metathorax. 



21. CRIOPROSOPUS. 



Crioprosopus, Serv. Ann. Soc. Ent. Fr. hi. 53. 

 Cerambyx, p., Latr. 



1. Crioprosopus Servillei. 



Crioprosopus Servillei, Dupont, Serv. Ann. Soc. Ent. Fr. in. 54. 

 Crioprosopus Servilii, Dupont, Mag. deZool. 1838, p. 53. pi. 217. 

 Hab. Interior of Mexico. 



2. Crioprosopus Saundersii, n. s. B.M. 



C. niger, thoracis lateribus plaga magna aurantiaca; elytris sin- 

 gulis maculis duabus latis flavescentibus ; labro fusco, flavo 

 marginato. 



Head black ; in front of the antennae and between them fur- 

 rowed longitudinally, behind the labrum furrowed transversely ; 

 the notch of the eyes hollowed out and covered with grey hairs ; 

 antennae with the first five joints blackish ; the six following 

 somewhat ferruginous, the joints slightly ciliate'd on the outside, 

 and with several short hairs at the end. Thorax very smooth, 

 polished, black, each side with a large orange spot not reaching 

 the fore margin, extending somewhat over the back ; where it is 

 sinuated, it reaches the hind margin ; fore margin ciliated, the 

 protuberant sides with a few scattered hairs. Scutellum sharp- 

 pointed at the apex. Elytra black, surface slightly wrinkled, a 

 broadish transverse pale yellow band just behind the base, slightly 

 interrupted at the suture, where it is contracted both in front 

 and behind ; behind the middle there is a large pale yellow spot, 

 not touching the margin and considerably separated from the 

 suture ; it is cut off obliquely behind ; each elytron has three lon- 

 gitudinal costae ; the surface is slightly punctured, the punctures 

 being most apparent on the yellow spots ; the tip of each elytron 

 is obliquely truncated and margined with short brown hairs. 

 Metathorax more or less thickly covered with grey silky hairs, 

 sides of abdomen beneath with grey silky pubescence, and" longer 

 scattered hairs on the under side of each segment. Legs black, 

 last joint of tarsi ferruginous ; tip of tibiae on the inside with 

 many short ferruginous hairs. 



Length 16 lines. 

 Hab. Mexico (W. W. Saunders, Esq.). 



