50 Descriptive Catalogue [1897. 



Zethopsus laticeps. 



Ferruginous, entirely smooth and shining, and covered with a 

 brief, pallid pubescence ; head large, transverse, with the antennal 

 tubercle three times as wide as the vertex, slightly rounded at apex 

 and impressed in the middle ; first joint of antennae simple, second 

 quadrate, third to ninth inclusive smaller, transverse and compact, 

 tenth largest of all, subglobose, hardly acuminate ; prothorax 

 narrower than the head, cordate, with a large double median trans- 

 verse fovea, lateral foveae transverse, the discoidal fovea well distinct 

 and rounded ; elytra subquadrate and convex, bifoveate at base and 

 with the external fovea sulciform ; abdomen longer than the elytra 

 and a little narrower, first three dorsal segments broadly and deeply 

 impressed at base with the impression filled with an ochreous 

 squamose pubescence ; fourth joint a little larger than the preceding 

 ones. Length 1*10 mm. 



Owing to the very large frontal tubercle, this species is closely 

 allied to Z . latifrons, Kafir., from Zanzibar, but in this last-named 

 species the prothorax is punctured and the antennae are longer 

 and the two first joints as well as the last one longer and broader. 



Hab. Zambezia (Salisbury). 



Zethopsus sulcicollis. 



Chestnut brown, with a slight flavous pubescence ; antennae and 

 legs red ; head and prothorax with scattered punctures ; head not 

 much transverse ; antennal tubercle broad, deeply sulcate, dentate 

 inwardly and faintly sulcate on the vertex ; the two basal joints of 

 the antennae quadrate, the first one larger than the others, the third 

 to the ninth inclusive moniliform, transverse, the tenth large, ovate ; 

 prothorax subcordate, longer than broad, and having a wide, gemi- 

 nate, median fovea, somewhat shallow, the sides are robust and 

 and there is a deep discoidal sulcus in the anterior part ; elytra 

 hardly longer than broad, wider than the prothorax, slightly convex, 

 rounded laterally, and having at the base two large oblong foveae ; 

 sutural stria entire, dorsal one wanting ; first three dorsal segments 

 broadly impressed ; tibiae, especially the intermediate ones, slightly 

 thickened in the middle outwardly and arcuate inwardly ; female 

 unknown. Length 1*20 mm. 



Hab. Natal, also Zanzibar. 



Z . sulcicollis differs from the preceding one by the less broad 

 frontal tubercle and the deep groove in the anterior part of the 

 disk. 



