1892,] of the GoUoptera of South Africa. 73 



Elytra as in tubereulata, but with the outer sapra-marg'nal 

 ridge sinuated, but reaching from the shoulder t) the apex, 

 outer margin with a post median dot and an elongated 

 sub-apical whitish band. var. acuminata. 



Elytra as in tuiei'culata, but with a white broad uninterrupted 

 supra-marginal ridge reaching from the shoulder to the 

 apex alHvittis. 



Elytra with an uninterrupted raised line near the sutur6, a 



dcrsal one three times interrupted, a second dorsal one 



consisting of three disconnected oblique ridges, and a 



continuous external one reaching from the shoulder to near 



the apex. i'mmaculat '. 



D. CLATHRATA. Klug. 



Jahrb. 1, p. 40, 1834. 

 D. GiaANTEA. BrSme. Annal. Franc, 1844, p. 289, pi. 7, fig. .3. 



Metallic black, with a greenish and golden tinge on the upper 

 part, dark, metallic blue underneath; head strigose, antennse with 

 the seven apical joints compressed and sub-dilated outwardly; 

 labrum black in both sexes, with a median, narrow, yellowish 

 longitudinal band ; prothorax quadrate, plicated, the plication 

 sinuated, deeply impressed in front and behind, grooved in the 

 centre, the disk produced in two long protuberances ; elytra 

 elongated : those of the male nearly parallel, and much depressed, of 

 the female very convex and much ampliated a little past the middle, 

 suture raised and ending in two very short spines, (one on each 

 side) ; on each elytron are five, slightly sinuose, raised lines 

 reaching from the base to two-thirds of the length (the two external 

 ones reaching a little further than the others) the intervals of which 

 are foveated, with the fove^ reticulated, the apical part is very 

 rugose, and has a marginal, more or less rounded white patch, 

 which is often very indistinct, or entirely wanting ; legs, very dark- 

 blue with a bronze tinge. 



Length, 17-23; width, 5-8"' * 



There can be no doubt as to the identity of D. gigantea with 



