CERAMBYCID^E. 165 



52. Callichroma Melaxiaxthe, n. s. 



C.nigro-velutinum, elytris (basi excepto) nitidis chalybeo et pur- 

 pureo ; corpore subtus laevi ; femoribus posticis elytris sub- 

 brevioribus. 



Of a velvet black, antennae shorter than the body. Thorax 

 above covered with velvety hairs, the side with a wide tubercle ; 

 base of elytra covered with velvety 7 hairs ; greater part of elytra 

 smooth, shining with chalybeous and purple; body beneath 

 smooth, bluish black. Legs black, soles of tarsi yellowish brown; 

 femora of hind legs somewhat shorter than the elytra ; tibiae of 

 hind legs flattened, gradually wider from the base to the tip. 



Length 10£ to 12| lines. 

 Hab. Port Natal (Coll. Gueinzius). 



53. Callichroma latipes. B.M. 



Cerambvx latipes, Degeer, Mem. vii. t. 49. f. 3. 



Fair. S. El. h. 269. 

 Cerambvx platypus, Gmel. Syst. Nat, iv. 1827. 

 Hab. S. Africa. 



54. Callichroma bimaculatum, n. s. B.M. 



C. olivaceo-viride, antennarum articulis quinque ultimis navis 

 subincrassatis, elytris singulis medio flavo unimaculatis. 



Head and thorax of an olive-green, shagreened and glittering; 

 thorax wider than long, sides angularly dilated ; elytra of a deep 

 velvety olive-green, almost black, with a yellow subtriangular 

 spot in the middle of each approaching the margin. Antennae 

 with the third joint nearly as long as the two following it; the 

 fourth to the eleventh joints grooved on the inside ; the first six 

 joints black ; the five terminal yellow and somewhat thickened. 

 Legs black with purplish reflections ; femora compressed, widened 

 and slightly bent ; tibiae of hind legs compressed and dilated. 



Length 12 lines. 

 Hab. N. China (Coll. Fortune). 



55. Callichroma Gueixzii, n. s. PI. IV. f. 8. B.M. 



C. nigro-chalybeum ; antennis brevibus pallide-rufis ; pedibus 

 runs, femoribus apice nigro-chalybeis ; tibiis posticis apice 

 multum dilatatis et nigro-chalybeis ; thorace supra postice bi- 

 gibboso ; scutello medio cavato ; elytris confertissime punctu- 

 latis costis duabus laevibus, interiore minore. 



Of a dark chalybeous with greenish reflections ; head blackish, 

 with the mouth and palpi ferruginous ; antennae short, pale ru- 

 fous. Thorax above roughly punctured and somewhat bigibbous 



