286 RUTELIXJE. 



Key to the Species. 



Pronotum lightly punctured (c?) or scarcely punc- 

 tured ( $ ) rvyipennis, Oh. 



Pronotum densely punctured (J) or well punc- 

 tured ( $ ) ..." frontutus, Burm. 



The features by which Dr. Ohaus has distinguished the specie* 

 of this genus are valuable and of little value, but his excellent, 

 figures of the secleagi of the males render exact identification of 

 that sex possible, and I think the characters stated above will 

 enable both sexes to be recognised without much difficulty. 



307. Pachyrrhinadoretus rugipennis. (Plate Y, figs. 4-10.) 



Pachyrrhinudoretus rugipennis, Ohaus, Deutsche Ent. Zeits. 191 2 f 



p. 511. 



Pachyrrhinadoretus deccanus, Ohaus, 1. c. p. 512. 

 Pachyrrhinadoretus monticola, Ohaus, 1. c. 



Orange-yellow, with the forehead dark and (in the J ) usually 

 the pronotum also and frequently the elytra, except the outer 

 margins. The body is clothed, above and beneath, with very 

 fine grey pubescence, which is moderately close in the male, 

 sparser in the female. 



It is extremely similar in shape and general appearance to 

 P. frontatus, Burin. The head is rugosely punctured, but not 

 very finely or closely, and the clypeus rather sparingly. The 

 pronotum is fairly closely punctured in the male, very sparsely at 

 the sides in the female, and almost devoid of punctures in the 

 middle. In other respects it agrees with P> frontatus, Burm. 



The sexes differ as in P.frontatus, but the pronotum of the female 

 is still more smooth. The female is generally entirely pale, except 

 the head, but the middle of the pronotum may also be dark. In 

 one specimen in the British Museum the pronotum is pale and 

 the elytra are dark (except the outer margins). 



Length, 9-5-11 mm. ; breadth, 5-6 mm. 



BENGAL: Palamow (Nov.), Chapra, Kurnul ; BOMBAY: Abme- 

 dabad, Prantig (Nov.), Belgaum (H. E. Andrewes), Dharwar, 

 Kanara (T. R. D. Bell) ; MADRAS : Madura (C. Somers-Smith). 



Although the collector's name is not given, it is evident from 

 the localities enumerated by Dr. Ohaus (Belgaum, Kanara,. 

 Madura) that P. deccanus was described from specimens obtained 

 by Mr. H. E. Andrewes from those localities. These were sent 

 to Berlin, and a set was retained by Dr. Kraatz. I have examined 

 and dissected series from each of these localities and have been sur- 

 prised to find that, although externally they are practically alike, the 

 aedeagi show a remarkable range of variation. In examples from 

 Madura the organ (Plate V, fig. 9) is as represented by Dr/ Ohaus, 

 but those from Kanara and Belgaum have a greater resemblance 

 to, and indeed form a chain of connecting links with, the rugi- 

 pennis form. There is some variation in specimens from the same 

 locality, but more marked differences distinguish specimens from 



