1900.] Catahxjue of the Culcoptcra of South Africa. 29S 



COI'TOKHINA BAKKATTI, Wateill., 



Plate XXXI. , fig. 14. 

 Trans. Entom. Soc. Lond., 1876, p. 22. 



Black, very shining on the upper side ; club of antennaa flaves- 

 cent ; head smooth in tlie centre, punctulate laterally, deeply 

 impressed at base and apex, and with a very small median tubercle, 

 genge very distinctly triangular laterally; clypeus emarginate for 

 nearly all the width and produced on each side of the broad but 

 shallow emargination into two long, curved horns compressed laterally 

 and longer than the head ; prothorax simple, sinuate in the centre 

 at apex as well as above the eyes, anterior angles diagonal, sides 

 straight if viewed from above, a little attenuate diagonally towards 

 the base if viewed from the side, smooth and impunctate except on 

 the sides which are slightly aciculate ; elytra convex, sinuate above 

 the metasternal epimera, but not as deeply as in C. klncji, C. auspicata, 

 &c. ; elytra convex, finely striate, striae shallow but distinctly punc- 

 tulate, intervals plane, impunctate ; pygidium closely l)ut not 

 deeply pitted ; metasternum smooth and impunctate in the median 

 part ; anterior tibitB serrulate below the three outer teeth, and with 

 a short, small tooth between the two apical large ones ; apical spur 

 strongly bifid at tip, outer spine longer than the inner. 



Length (exclus. of horns) 13 mm. ; width 8| mm. 



Female unknown. 



Hah. Transvaal (Lydenburg). 



CoPTORHiNA NANA, Pering., 

 Trans. S. Afric. Philos. Soc, iv., pi. ii., p. 95, 1888. 



Black, head and prothorax opaque, elytra also opaque but with 

 the elongate tubercles on the elytra moderately shining ; head 

 smooth in the centre and at base, and with a very small, sub- 

 triangular tubercle in the centre of the frontal part, granulate on the 

 genae and on the clypeus, genae ampliate, sub-auriculate laterally, the 

 median part being shghtly aculeate, and the apical bulging a little 

 beyond the line of the clypeus which is produced at apex into two 

 triangular, sharp, slightly reflexed teeth carinate longitudinally at 

 middle, and divided by a broad, triangular incision ; antennse black ; 

 prothorax simple, convex, anterior angles moderately sharp, outer 

 sides nearly straight if viewed from above, but deeply sinuate near 

 the base laterally, base moderately arcuate, it is covered with small 

 foveolate punctures, a little elongate in the central part of the disk 

 where the walls separating them are slightly plicate longitudinally. 



