1898.] of the Coleoptera of South Africa. 405 



SOGNOKUS O'NEILI, 



Plate XVIII., fig. 26. 



Oblong, fulvous, the squamae are pale, fine and scattered, except 

 on each side of the neck, at the posterior angles of the prothorax, in 

 the posterior margins of the elytra and of the two first dorsal seg- 

 ments of the abdomen where they are thick and glandular ; head 

 long, a little angustate in front, between the eyes two punctures 

 much more removed from each other than from the eyes, and in the 

 middle a very obsolete oblong impression, in front a longitudinal 

 sulcus extending on the antennal tubercle ; eyes very large ; palpi 

 large, second joint thick and curved, third transversely pyriform, 

 fourth transversely fusiform, those three joints produced and peni- 

 cillated outwards ; antennae long, first to second joints quadrate, 

 large, third longer, obconical, fourth to sixth ovate, longer than broad 

 and increasing slightly in thickness, seventh to eighth a little longer, 

 sub-cylindrical, ninth one-third longer than the preceding one, tenth 

 hardly longer but thicker, eleventh one-third longer than the tenth, 

 sub-cylindrical, obtusely acuminate at apex ; prothorax longer than 

 broad, sub-obconical, in the middle of the base a longitudinal impres- 

 sion covered with glandular pubescence ; elytra much longer than 

 broad, a little attenuate towards the base, shoulders obliquely 

 rounded, sides nearly straight, at the base two strong foveae, one 

 sutural stria complete and a dorsal one disappearing behind the 

 middle ; first dorsal segment of the abdomen short, second twice as 

 long ; metasternum deeply and entirely sulcate, second ventral 

 segment with the posterior margin a little raised and with an 

 arcuate sinuation in the middle, altogether clothed with glandular 

 pubescence, thin, flattened in the middle ; legs long ; tibiae straight,, 

 thickened towards the apex and glabrous. Length 1*90 mm. 



This species cannot be compared with S. simonis, Eeitt., from 

 West Africa, which is much smaller and much stouter ; it resembles 

 more the female of Ctenistes imitator, Reitt., but the antennae are 

 much thicker, and the sex of the unique specimen I have of this 

 species is certainly a male, judging from the under side of the 

 abdomen. 



Hab. Cape Colony (Uitenhage). 



