neic Species of Ilistcridaj. 105 



Tlii.s is the third species of the genus known. 

 I lab. The Matopo ilountains, Matubclcland {Guy A. K. 

 Marshall) . 



Reninus Sahini, Lew,, occurs in the nests of (Ecodoma 

 cephulotes^ and it is probable that all the species of the genus 

 lleninus and Discocelis are formicicolous. Epiglyptus {IJister) 



Beninus puncticollis, sp. n. 



]!rcvitcr ovatus, convcxiis, niger, nitidus ; fronte dcpressa, stria 

 augulata ; prouoto punctato (basi excepta) ; elytris striis sub ■ 

 humerali et 1 dorsali integris, 1-3 postice, 5 et suturali totis 

 punctiformibus ; tibiis extus valde dilatatis. 



L. 3]-3| mill. 



Shortly oval, convex, black and shining ; the head, frontal 

 stria strong and angulate before the eyes, depressed before 

 the epistoraa, surface with bowed strise representing inconi- 

 ]jlete parts of shallow punctures and set very irregularly ; 

 the thorax, marginal stria very fine and apparently very 

 narrowly interrupted behind the middle of the neck, the inner 

 stria is close to the marginal stria and traceable anteriorly to 

 a point behind the eye, anterior angles obtuse and reddish, 

 surface with coarse punctures, points most dense on the outer 

 part, and the scutellar region is smooth, the basal edge is 

 narrowly and microscopically strigose; the elytra, stria?, inner 

 humeral and first dorsal are complete and somewhat carinate 

 en the basal part, 1-3 are abbreviated on or before the middle, 

 but are continued apically by shallow punctures arranged 

 more or less in two rows, the fourth stria is hamate at the 

 base, 5 and sutural are indicated by shallow punctures, the 

 fifth is shortened at the middle, the sutural continues to the 

 base; the pygidia have a shallow sculpture, consisting appa- 

 rently of crescents or half punctures which have an imbricate 

 outline ; the presternum, lobe somewhat truncate anteriorly 

 and rather strongly marginate, with a few irregular and 

 shallow punctures, surface microscopically strigose, keel 

 bistriate, strite join anteriorly before reaching the suture, the 

 inner stria is abbreviated behind and the interstices of the 

 strifo are smooth, the anterior area of the keel has a few 

 irregular ])unctures somewhat like those of the lobe ; the 

 mesostcrnum, marginal stria very fine, sinuous in the middle, 

 and not very close to the edge, from each basal angle pro- 

 ceeds a fine bowed stria, unconnected with the lateral strise, 

 and both ends of them turn outwards, the sides are bistriate. 



