544 DescriiMve Catalogue [1896. 



length, transparent and projecting beyond the hgula in a broad 

 oval shape ; last joints of labial and maxillary palpi subcylindrical ; 

 head of ^phnidius ; prothorax subquadrate with the basal part 

 nearly straight ; elytra a little broader than the prothorax, parallel 

 from the shoulders to near the posterior part which is gradually 

 rounded with the anal segment barely projecting ; legs oi^jjlinidius, 

 but the tarsi of the fore-legs in the female not so broadly triangular, 

 those of the male identical, but with the lamellae underneath longer. 



SOMOPLATUS SUBSTEIATUS, Dej., 



Spec. CoL, iv., p. 16; Icon. Col. Eur., iv., pi. 172, fig 4. 

 Lophidius laticolHs, Bohem., Insect. Caffr., i., p. 188. 



Brick-red ; head smooth, a little darker than the prothorax, which 

 is one-third broader than long, with the anterior angles projecting, 

 the outer angles nearly straight, and the base very slightly obliquely 

 truncate, nearly plane with a narrow median longitudinal groove, 

 and two slight impressions in the median part of the base; 

 scutellum small, triangular ; elytra a little broader than the pro- 

 thorax at the base, nearly parallel, rounded behind, plane above, 

 faintly striate, and covered with a very short pubescence ; legs 

 and under side pale red with the tibiae and tarsi darker. Length 

 7-1^ mm. ; width 3 J- mm. 



Hab. Cape Colony (East London), Natal (Frere), Delagoa Bay 

 (Eikatla), Zambezia (Salisbury), also Senegambia. 



Tribe PTEEOSTICHIDES. 



Mentum emarginate, with or without median tooth ; ligula free at 

 tip ; paraglossae disconnected at a short distance from the apex and 

 not longer ; last joint of palpi slightly fusiform and truncate at tip ; 

 head with two supra-orbital setae ; prothorax of various shape ; 

 elytra narrowly inflexed, margin strongly interrupted posteriorly, 

 and with a well-marked internal plica ; anterior tarsi dilated at tip, 

 often subfossorial, the three basal joints of the anterior tarsi of the 

 male rather broadly dilated and densely squamulose underneath. 



Si/nopsis of Genera. 



Mentum trilobate ; antennae long ; prothorax with a deep 

 lateral and a supra-marginal groove ; elytra without any in- 

 terrupted basal stria, one puncture on the third interval . . . . Abacctus. 



Mentum without a sharp median tooth ; prothorax without a 

 supra-marginal groove ; elytra with a short basal stria on each 

 side between the first and the second intervals Atimus. 



Mentum with a sharp median tooth ; maxilloe not hooked at 

 tip ; antennae short, intermediate joints subquadrate, the four 

 last ones broader than the others Drimostowa. 



