24* CERAMBYCID^. 



1. OxCIIOMERUS PILICORNIS. B.M. 



O. thorace subtuberculato, ferrugineo, elytris testaceis, antennis 

 mediocribus, villosis, femoribus clavatis. 



Callidiutn pibcorne, Fair. S. El. ii. 341. 



Oliv. Col. iv. p. 68. t. 8. f. 99. 

 Curtomerus luteus, Steph. Manual of Brit. Col. p. 275. 

 Hab. W. Indies; Britain (introd.). 



2. Onchomerus bipunctatus, n. s. PI. VII. f. 2. B.M. 



O. pallide testaceus, elytris singulis macula parva nigra mediana, 

 thorace creberrime punctato ; antennis articulo quarto parvo, 

 articulis tertio et quinto subaequalibus. 



Pale testaceous ; thorax obscure, very thickly and closelv 

 punctured ; antenna? with the fourth joint short, very little longer 

 than the second ; the third and fifth joints about equal in length ; 

 elytra somewhat shining, rather thickly punctured in the middle, 

 with a small black spot. 



Length 4 to 5 lines. 

 Hab. W. Africa (Sierra Leone) (Rev. D. F. Morgan). 



3. Onchomerus unicolor. B.M. 



Onchomerus unicolor, Latr. Dej. Cat. p. 358. Cheer. Coll. 

 Hab. Mauritius (Coll. Chevr.). 



167- TRITOMACRUS. 

 Tritomacms, Newman, Ent. Mag. i. 510. 



1. Tritomacrus testaceus. 



T. testaceus, oculis fere concoloribus, antennis corpore valde lon- 

 gioribus. 



Tritomacrus testaceus, Newman, Ent. Mag. i. 510. 

 Obrium pallidum, Bentley, MSS. 

 Hab. Ireland (introduced). 



168. DERE, n. g. 



Antennae shortish, not reaching to the end of the elytra, third 

 joint the longest, the following joints short, somewhat thickened 

 towards the end. Thorax nearly as wide as long, gradually'nar- 



