CERAMBYCID.E. 297 



2. CORETHROGASTER ANNULIPES. 



C. cinnamonieus, capite rotundato anguste suleato, geniculisque 

 late nigris ; antennis flavis, palpis rufis ; thorace in dorso 

 septem-tubereulato, lateribus obtuse unidentato; elytris acu- 

 punctatis obsoletis duabus lineolis costiformibus, postice ro- 

 tundatis et parce fulvo-setosis. 



Corethrogaster ammlipes, Chevr. Rev. et Mag. de Zool. 1855, 



p. 183. 

 Hab. Benin (Old Calabar). 



180. PENTOMACRUS, n. g. 



Antennae very long ; first joint thickened, angled on the upper 

 side ; fourth joint half the length of the third joint ; fifth joint 

 as long as the third and fourth joints put together ; the remain- 

 ing joints considerably elongated ; the terminal joint bent. 

 Eyes placed horizontally, not much notched, and scarcely pro- 

 duced behind the notch. Mandibles sharp-pointed. Thorax not 

 so wide as the elytra, somewhat flattened above. Femora of all 

 the legs slender at the base, much thickened and somewhat 

 compressed at the end, angularly dilated on the under side 

 towards the tip ; metathorax furrowed for a considerable part of 

 its length. 



1. Pentomacrus femoratus, n. s. PL VI. f. 5. B.M. 



P. ochraceo-flavus, punctatus ; capite nigro ; thoracis fascia an- 

 tica nigra, medio postice profunde emarginata. ; elytris fasciis 

 tribus nigris transversis, sutura. connexis, una, basali latiore, 

 una mediana, et altera subapicali. 



Of an ochre-yellow ; first and second joints of the antennas at 

 the base black ; head black, palpi ochraceous ; front part of 

 thorax black, the posterior part of the black band deeply notched 

 behind ; an H-shaped impression on the hinder margin. Elytra 

 with a wide basal black band, the shoulder with a yellow spot, a 

 narrower black band across the middle and another before the 

 apex : these bands are connected together by the edge of the 

 suture being black ; the elytra are elongated and somewhat nar- 

 rowed at the apex, and rather thickly punctured ; under side 

 yellow ; legs yellow ; antennas somewhat darker. 



Length 7 lines. 

 Hab. Jamaica (Coll. P. H. Gosse). 



p2 



