250 C. RITSEMA CZ., DESCRIPTION OF FIVE NEW ASIATIC A. S. O. 



absence of the pubescent impression on the last ventral 

 segment. 



The tibiae of Sharpi resemble those of consanguinea. The 

 flavous elytral spots are situated between the 4 th and 7 th and 

 between the 3 rd and 7 th striae. The last ventral segment is 

 subtruncate posteriori)'. 



Hab. British Bhotan: Padong (Rev. Fath. L. Durel). — 

 Specimens are in the collection of Mr. R. Oberthür and 

 in the Leyden Museum. 



This species is dedicated to Dr. David Sharp who studied, 

 in collaboration with Mr. F. MuiR, the male genital tube of 

 Helota gemmata GoRH. (see Trans. Ent. Soc. London, 191 2, p. 

 521, pi. 60). Dr. Sharp wrote lately to me: „Helota I consider 

 to be a fine form closely allied to Nitidulidae. Whether a 

 distinct family from Nitidulidae cannot at present be settled." 



The last three species, all closely allied to Helola pusilla 

 Obertii. and very much alike one another, may be identified 

 in the male sex by the following key. 



A. Last ventral segment with a pubescent 

 impression consanguinea. 



B. Last ventral segment without a pubescent 

 impression. 



a. Anterior tibiae slender, faintly notched. 

 The club of the antennae pale coloured. 



The posterior tibiae untoothed .... Boulet. 



b. Anterior tibiae broader, more deeply not- 

 ched. The terminal joints of the club of 

 the antennae dark coloured. The posterior 

 tibiae with some minute black denticles 



on the inner margin of the apical third Sharpi. 



Together with the above described males, Mr. Oberthür 

 received a certain number of female specimens belonging to 

 the same group as the males, but I failed to find as yet 

 characters by which these females may be separated speci- 

 fically. It is ven- desirable that specimens taken in copulation 

 were sent over. 



Leyden Museum, October 1914. 



