CHALCOTHEA NEGLECTA. 171 



NOTE XVIII. 



ON AN UNDESCRIBED CETONIID BELONriING TO 

 THE GENUS CHALCOTHEA, BURM. 



BY 



C. RITSEMA Cz. 



Amongst the specimens of Chalcothea smaragdina G. 

 & P. ^) of the Leyden Museum , I lately found a female 

 specimen from Sumatra of a distinct although nearly allied 

 species , which , as I am informed by Mr. van Lansberge , 

 bears in several, especially french collections the name of 

 Chalcothea ajfinis Voll. ^). 



The specimen of the new species, which I propose 

 to call 



Chalcothea neglecta , 



has the size of large specimens of C. smaragclina (28 mm.) 

 and is similarly coloured ; moreover the sculpture , the 

 shape of the prosternal process etc. are quite the same , 

 but neglecta may be at once distinguished from smaragclina 

 by the shape of its prothorax , which is much wider at the 

 base in consequence of the prolonged and divergent hind 

 angles, a characteristic which it has in common with C. 

 aj^nis Voll. and resplendens G. & P. ^), These two spe- 



1) Gory et Percheron, Monographie des Cétoines. p. 311; pi. 61, fig. 2. 



2) Tijdschrift voor Entomoloffle. Dl. I (1858) p. 23; pi. 2, fig. 2. 



3) Gory et Percherou, Monographie des Cétoines. p. 311; pi. 61, fig. 3. 



Notes from the Leyden IMuseum , Vol. IV. 



