On neio Species of QwYCvWom^^ from Africa. 3G9 



XLir. — On new Species o/* Curculionidae /ro/w Africa. 

 By Guy A. K. Marshall, D.Sc, C.M.G. 



[Plate XIII.] 



The types of all the species described below will be deposited 

 in the British Museum. 



The. terminology used in describing the male genitalia is 

 that proposed bv Dr. David Sharp, F.R.S. (Trans. Ent. Soc. 

 Lend. 1918, pp.' 209-222) . 



Subfamily Bbacstdeeinje. 



Iphisomus sivynnertoni^ sp. n. 



^ . Black, with the following markings formed of cream- 

 coloured scales : a narrow median stripe on the prothorax ; 

 a broad stripe on each elytron approximately between strife 

 2 and 5 from the base to beyond the middle, and a lateral 

 one from behind the shoulder to the middle of the side- 

 margin. Legs red-brown, with all the tarsi and the apices 

 of the front femora and tibire black. 



? . Black, fairly densely and uniformly clothed with grey 

 or sandy scaling, haviiig a greenish or coppery reflection ; the 

 male ])attern often faintly indicated, owing to the scaling 

 being tldnner from the base to the micUlle along the suture 

 and between stripe 5 ai\d 6 ; sometimes coloured like the ^ . 



(^ ? . Head closely and coarsely punctate, the scaling 

 much more sparse in the cJ than in the ? ; tlie foreliead 

 flat, with the punctures longitudinally confluent and with a 

 central stria which is continuous with, but much narrower 

 and s'halh)\ver than, tlie furrow on the rostrum ; the eyes 

 rather strongly convex, the space between tlie n much 

 greater than the length of an eye (5 :3). Rostrum mucli 

 longer than the head, parallel-sided trom the l)ase to beyond 

 the middle, gently dilated at the apex, with a l)road deep 

 median furrow and two carinte on each side of it ; the 

 iinpn ssed spaces adjoining the carina* longitudinally strio- 

 late, and a shallnw lateral impression in Iront of the eye. 

 Antennce with the scape only slightly excectling ihe anterior 

 margin of the eye ; the funicle with joint 1 half as long 

 again as 2, joints 3-7 subeqiuil and slightly transverse. 

 Prothorax a little broader than long, the sides moderately 



Ann. tt- Mug. iV. Hist. Sei. 9. Vol. vi. 25 



