158 



CERAMBYCID^E. 



20. Callichroma assimilatum, n. s. B.M. 



C. viride ; thorace vittis duabus nigro-viridibus velutinis ; late- 

 ribus et linea media longitudinali transversim strigatis ; elytria 

 sutura lsete aureo-viridi, vitta, media longitudinali velutina ; 

 corpore subtus loete viridi subsericeo; pedibus fuscis, fembribus 

 runs. 



Allied to C. vittatum : the thorax has two velvety longitudinal 

 vittas ; the sides of the thorax and a longitudinal line down the 

 middle are closely covered with transverse striae ; the scutellum 

 is grooved down the middle and is of a golden green colour ; the 

 elytra have the suture of a light silky green, in some lights 

 golden ; a dark velvety band runs down the middle ; the under 

 side is of a lively green, with a slight silken pubescence ; the an- 

 tennas are black ; the legs are blackish brown, the femora being 

 of a light ferruginous. 



Length 8 to 9^ lines. 

 Hab. Brazil. 



21. Callichroma cosmicum, n. s. B.M. 



C. viridi- velutinum, capite, linea, dorsali thoracis, suturaque 

 nitidis ; antennis nigris ; pedibus nigro-fuscis, femoribus runs, 

 posticis apice nigris ; corpore subtus viridi, cinereo-fusco 

 sericato. 



Head triangular elongated, grooved longitudinally down the 

 middle and punctured. Thorax nodulose on the side, a smooth 

 line down the middle. Scutellum grooved clown the middle, the 

 tip transversely furrowed. Elytra with the tips divaricating, of 

 a deep velvet green, the suture light shining green and trans- 

 versely striated with a lighter-coloured line down the middle, 

 clearest at the shoulder. Under side light green, silky, with an 

 ashy grey pubescence. Femora of first two pairs of legs thick- 

 ened, rufous ; femora of hind legs compressed, basal half rufous, 

 apical blackish brown. Tibiae of hind legs compressed. 



Length 9f lines. 

 Hab. Honduras (Coll. Dyson). 



22. Callichroma festivum. B.M. 



Cerambvx festivus, Fabr. S. El. ii. 268. 



Oliv. Col. iv. 30. t. 7. f. 44; t. 18. f. 44. 

 Cerambyx festus, Gmel. Syst. Nat. iv. 1823. 

 Callichroma festiva, Serv. Ann. Soc. Ent. Fr. ii. 558. 

 Hab. W. Africa. 



