426 Mr. H. W. Bates on Ceramhycidce 



2. Stemacanihus sexmaculatus, n. sp. 



S. Batcsii proximo affinis, differt fasciis coccineis nee 

 Buturam nee marginem lateralem attingentibus, margine 

 incrassato elytrorum nigro. 



Long. 12 lin. $ . 



Hab. — River Tapajos. 



3. Sternacanthus picticornis. 

 Pascoe, Trans. Ent. Soc, 2 ser.^ iv. 95. 



8. Batesvi forma simillimus, differt antennarum arti- 

 culis 3-4 vel 3-5 flavis apice nigris, et elytrorum callo 

 humerali hand nigro. Niger, glaber; elytris coccineis, 

 fasciis duabus et apice nigris. 



Variat. Fasciis nigris angustis, interruptis ; fascia 

 secunda latiori, cum nigredine apicali per suturam 

 conjuncta ; denique fascia prima obliterata, fasciis apicali- 

 bus conjunctis. 



Long. 9-12 lin. c? ? . 



Hah. — Ega and St. Paulo. 



In the Andean Valleys of Equador the species was 

 taken abundantly by Mr. Buckley offering no variation, 

 the elytra having three belts of red and three of black. 



4. Sternacanthus Allstoni, n. sp. 



Oblongus, niger, glaber; antennarum articulis 3-6, 

 thorace, tibiis et tarsis fulvis, elytris fasciis duabus latis 

 curvatis fulvo-testaceis ; thorace ut in S. Batcsii, dorso 

 valde convexo, 5-tuberculato, sed tuberibus tribus inter- 

 mediis latis rotundatis, haud (ut in illo) compressis an- 

 gustis ; capito collo fulvo ; elytrorum fascia prima intus 

 ad scutellum extensa. 



Long. 10 lin. ? . 



Hab. — Montes Aureos, in the interior East of Para. 

 Taken by Dr. Allston. 



Genus Lophonocerus. 



Serville, Ann. Soc. Ent. Fr. 1834, p. 33 ; Lacord. Gen. 



ix. 156. 



1. Lophonocerus harhicornis. 

 Ceramhyx harhicornis, Linn. Mus. Lud. Ulr. p. Q8. 



Fulvus, thoracis vitta lata laterali et elytrorum margine 

 exteriori, sutura postice, fascia obliqua pone medium valde 



