of the Amazon Valley. 335 



Long. 7-10 lin. (J $ . 



Ilab. — Para, Santarem, and Ega, on flowers ; also 

 Cayenne, Mexico, and probably widely distributed iu 

 Tropical America. 



5. Callichroma aureotinctum, n. sp. 



C. rugicolli valde affine, paulo robustius, magis aureo- 

 viride, prsecipue elytris apice Isete aureis ; capite viridi- 

 aureo, splendido, sparsim punctate, tuberibus antenniferis 

 baud strigosis ; thorace multo minus striate. 



Long. 7-10 lin. $ $ . 



Hob. — Santarem, Amazons ; on flowers. 



Possibly only a variety of C. rugicolle, found on the 

 same trees in company. 



6, Callichroma ocreatum, n. sp. 



G. rugicolli afiine, majus, tarsis omnibus apiceque 

 tibiarum pallide fulvis ; robustum, Isete viridi-aeneum, 

 subtus argenteo-tomentosum ; thorace transversim sub- 

 tiliter strigoso, nigro-velutino bivittato ; scutello splendido, 

 aureo ; elytris utrinque vitta dorsali nigro- velutina; 

 femoribus rufis, tibiis (apice fulvo excepto) nigris, tarsis 

 ochreo-fulvis. 



Long. 13 lin. c? ? . 



Hah. — Lower Napo, near Pebas, Upper Amazons. 



A score examples, all alike. 



