BACCIIISA SINGULARIS. 253 



NOTE XXIV. 



DESCRIPTION OF A NEW SPECIES OF THE LONGICORN 

 GENUS BACCHISA, PASCOE '). 



BY 



C. RITSEMA Cz. 



Bacchisa singularis , n. sp. cT. 



Length from the forehead to the end of the elytra 9 mm., 

 breadth at the shoulders S'/g mm. ; length of the antennae 

 Q'/g mm. — Rather dull testaceous-yellow; the mandibles 

 (except at the base on the outside) , the eyes and the 

 claws dark brown , the seven apical joints of the antennae 

 blackish , the apex of the elytra bluish black ; covered with 

 rather long erect pale coloured hairs , the elytra moreover 

 with a greyish slightly sericeous pile , the bluish black apical 

 portion, however, excepted. 



The head is armed on the middle of the face with a 

 strongly compressed projection or horn , which has , when 

 seen sideways, the shape of a shoe, the frontmargin of 



1) I believe it not unworthy uf being noticed again that Mr. Pascoe's genera 

 Baccliisa and Momisis (Longicornia Malayana, p. 342 and p. 361) are based on 

 the opposite sexes of two species which no doubt belong to one and the same 

 genus of the subfamily Astatheinae. The following species are as yet described: 



coronata Pasc. 1. c. p. 342; pi. 16, f. 11. (^ {type of the gen. Bacchisa). Flores. 



aegrota Pasc. 1. c. p. 362; pi. 16, f. 4. Q {type of the gen. Momisis). Flores. 



nigriventris Rits. Notes Leyd, Mus. III. p. 7. o Sumbawa. 



apicalis Rits. 1. c. p. 8. Q Sumbawa. 



singularis Rits. cf (in this Note) Sumatra. 



Notes from th.e Leyden IMuseum , "Vol. X. 



