430 Descri2)tive Catalofjue [1896. 



nearly three times as broad as the hgula, disunited near the tip, 

 much longer, and subtruncate diagonally ; maxillae ending in a very 

 long hook; maxillary and labial palpi of Harpalus ; head broad, 

 with the suture of the clypeus very distinct ; prothorax much sinuate 

 behind, the posterior angles sharp and projecting ; elytra elongate, 

 moderately convex, deeply striate, with the intervals very convex or 

 moderately raised, third interval with one puncture in the posterior 

 part, equally shining in both sexes ; anterior and intermediate tarsi 

 of the male slightly dilated, the anterior ones a little more than the 

 intermediate ; short, the basal one triangular, and the following 

 three cordiform, furnished beneath with squamge disposed as in 

 Harpalus, but the first joint and the basal part of the second one 

 are glabrous ; the joints of the anterior and intermediate tarsi are 

 not so broadly dilated. 



Synopsis of Species. 



Intervals of elytra very convex. 



Prothorax deeply sinuate behind, with the posterior angles sharp 

 and projecting tcrsulus. 



Intervals of elytra convex. 



Prothorax slightly sinuate behind, posterior angles not very sharp, 

 lateral impressions of the prothorax not punctured vicarius. 



Intervals of elytra subconvex. 



Prothorax sinuate behind, posterior angles sharp, projecting, base 

 closely punctured angitstus. 



Prothorax sinuate behind, posterior angles sharp but not projecting 

 much, base non-punctate similis. 



Omostkopus tersulus. 



Black, shining; labrum and mandibles piceous red; palpi, antennae, 

 tibiae, and tarsi rufescent ; head smooth ; prothorax truncate at the 

 apex, slightly sinuate towards the apical angles, which project in 

 front, ampliated laterally in the anterior part, deeply sinuate behind, 

 with the posterior angle projecting and acute, base nearly straight, 

 disk smooth, hardly convex, base depressed and with a broad longi- 

 tudinal impression filled with deep punctures on each side of the 

 median longitudinal groove, which is deep and reaches from base to 

 apex ; elytra truncate at the base, with the sides straight, slightly 

 oblong in the female, narrowly striate, with the intervals raised and 

 very convex, the third interval with a faint puncture at the top of 

 the posterior declivity ; under side reddish brown or black. Length 

 10-11 mm. ; width 3J-4 mm. 



Hab. Cape Colony (Sunday's River), Natal (D" Urban), Zambezia 

 (Salisbury). 



