( 297 ) 



VII. On Neiv Loncjicornia from Africa and Madagascar. 

 By Charles J. Gahan, M.A., F.E.S. 



[Read March 5tli, 1890.] 



Plate IX. 



The following paper forms a slight contribution to our 

 knowledge of the Longicorn fauna of Africa and Mada- 

 gascar. In addition to describing some new genera and 

 species, I have endeavoured to put right a few of the 

 errors which have crept into the catalogue of Gemminger 

 and Harold. There remain to be made many more 

 corrections, chiefly referring to the synonymy and 

 generic position of species, and I hope, at a future 

 time, to be able to devote a paper specially to this 

 subject. 



PRIONID.E. 

 Closterus oculatus, n. s. 

 (J . Ociilis supra svibtusque fere contiguis : aiitennis articulo 

 tertio quam scapo fere duplo longiori ; protliorace supra sparsim 

 punctato et vage fi-dvo-pubescente,lateraliter utrinqueuni-dentato; 

 elytris sparsim punctulatis, postice subcoriaceis, singulisque obso- 

 lete quadri-costatis. Long. 28, lat. 9 mm. 



Hah. Madagascar. 



Eyes almost touching below as well as above. Prothorax 

 sparsely tawny pubescent above, somewhat sparsely and rather 

 feebly pianctured ; the lateral margins each with a single median 

 tooth, the antero-lateral angles subobtuse, the postero-lateral angles 

 rounded. Scutellum punctured at the sides, smooth in the middle. 

 Elytra subcoriaceous, very feebly and very sparsely punctured, each 

 with four raised lines. Antennae with the third joint nearly twice 

 as long as the scape, the fourth and following joints (the eleventh 

 excepted) subequal or gradually decreasing in length. 



From C. flahellicornis, Serv. (the only other species of 

 the genus of which the male has been described), the 

 present species differs, inter alia, by the sub-contiguity 

 of the eyes below, by the different form of the lateral 

 margins of the prothorax, by the greater relative length 



TRANS. ENT. SOC. LOND. 1890. — PART II. (jUNE) X 



