384 



Mr. B. P. Uvarov on 



Metasternal lobes separated by a subqiiadrate interspaee. 

 Tympanum semi-open. Elytra developed, but not exceeding 

 the hind knees ; mediastinal area with a basal dilatation ; 

 scapular area dilated, especially in the males, extending 

 almost to the apex of elytra ; discoidal area reaching 

 beyond the middle of elytra, parallel ; interulnar area 

 subequal in width to the discoidal. Wings hyaline, with 

 normal venation. Hind femora short and thick ; the knee- 

 lobes rounded. Hind tibiae very slightly thickened apically, 

 rounded above, bicariuate below, armed with 8-9 outer and 

 10-11 inner spines ; the lower inner spur almost straight, 

 almost as long as the first tarsal joint, slightly incrassate 

 near the apex, which is short and recurved. Supra-anal 

 plate of the male obtusely triangular, about as long as 

 broad, with the sides slightly convex ; cerci rounded, obtuse, 

 subequal to the supra-anal plate ; subgenital plate short, 

 obtusely conical. Subgenital plate of the female much 

 longer than broad, widened posteriorly ; its hind margin 

 with an obtuse triangular projection in the middle ; valvee 

 of the ovipositor very short, thick, and obtuse. 



Genotype : Pachycarus stauronotus, sp. n. 



To the same genus belong two more South African 

 species : one of them has been described by W. F. Kirby as 



Fig. 2. 



A, Tachycarus stauronotus, sp. u. ; B, P. medius, sp. n. 



Heternpternis (sic !) pallida, Kirl)y (Ann. & Mag. Nat. Hist, 

 vol. x. no. 57,1902, p. 241, no. 4), and the other, whicli 

 has been recorded by Kirby as Calliptamus minor, Walk. 

 (Trans. Ent. Soc. London, 1902, p. 240), has nothing to do 

 with the genus Calliptamus, and is described below as Pachy- 

 carus intcrmedius, sp. n. 



