154 



ME. F. P. PASCOE ON THE CURCTTLIONIDJS. 



Contributions towards a Knowledge of the Curculionidse. 

 By Francis P. Pascoe, F.L.S., late Pres. Ent. Soc. 

 Part II. 

 [Eead March 2, 1871.] 

 (Plates VL,VH., VIII. & IX.) 

 Mitophorus vittatus. (PI. VI. fig. 5.) M. niger, nitidus ; ca- 

 pite squaraulis minutis albis parce adspersus ; rostro supra tricarinulato, 

 carinula exteriore supra oculum currente; antennis parce pilosis; 

 prothorace antice paulo latiore, dorso subvittatira albido-squamu- 

 loso ; elytris latitudine paulo longioribus ( $ ), striato-punctatis, in- 

 terstitiis tertio quartoque ex linea semilunari pone humeros albido- 

 squamulosis ; corpore infra pedibusque vage albido-squamulosis. 

 Long. 2| lin. 

 Hal. White Nile. 



The figure was made before I knew that the genus had already 

 l>een published by Dr. G-erstaecker. The species, however, is 

 quite new, and is a very interesting addition to the genus, as well 

 as to the fauna of the White Nile. The structure of the rostrum 

 is peculiar ; there is a delicate ridge along the lower margin, and 

 above is the outer of the three dorsal ridges or carinulso ; between 

 the two is a flat surface which, for Dr. G-erstaecker, is the scrobe. 

 This, in the species before us, would make part of the scrobe to 

 extend above the eye, a peculiarity, I think, without example. (It 

 is well represented in fig. 5 a, PI. VI.) The real scrobes are, I 

 believe, the short, deep, well-defined fovese at the tip of the ros- 

 trum. M. Lacordaire (Gen. vi. p. 57) takes this view, although 

 in a note he puts it the other way " a volonte," at the same 

 time crediting M. Gerstaecker with just the opposite view to that 

 which he holds as I have here stated. See Berliner Monatsbe- 

 richt, 1855, p. 81, and Eeise nach Mossambique, Ins. p. 311, 1862. 

 Mitophorus is rather too near Mitrephorus, another genus of this 

 family. 



Pachyrhynchus argus. (PI. VI. fig. 6.) P. aterrimus, nitidissi- 

 raus, annulis impresses cseruleis viridibusque e squamis effectis orna- 

 tus, in prothorace sex, in elytris viginti-quatuor, quorum duobus com- 

 munibus sutura pone medium sitis ; capite rostroque fere glabris, im- 

 punctatis, apice rostri leviter punctato excepto, sulco transverso nullo ; 

 prothorace antice rotundato, basi angustato, utrinque annulis tribus 

 decorato; elytris impunctatis; femoribus apicem versus squamoso- 

 annulatis; metasterno abdomineque segmentis duobus basalibus 

 utrinque viridi-annulatis. Long. 7 lin. 



Ilab. Philippine Islands. 



