738 MR. R, E. TURNER ON 



20. Antiiobosca natalica Turn. 



Anthobosca natalica Turn. Trans. Ent. Soc. London, p. 85 

 (1908), $. 



$ . Radial cell narrowly rounded at the apex, subacute ; third 

 abscissa of the radius twice as long as the second, the fourth 

 shorter than the first ; first recurrent nervure received just beyond 

 the middle of the second cubital cell, second before the middle of the 

 third cubital cell, which is as long on the radius as on the cubitus. 

 Tarsal ungues bifid ; basal joint of hind tarsi with a scopa beneath. 

 Shining and sparsely punctured, more closely on the front and 

 pronotum ; median segment very finely and closely punctured ; 

 abdomen finely but more sjDarsely punctured. 



Black ; pubescence on the apical dorsal segment brown and 

 long ; tegulte a,nd extreme apical margin of the abdominal segments 

 testaceous brown ; calcaria whitish ; fore tarsi fusco-feiTuginous. 

 Wings fusco-hyaline, nervures fusco-ferruginous. 



Length 12-17 mm. 



JIab. Malvern, Natal. 



The neuration given is as in the type, but in another specimen 

 the second abscissa of the radius is much more than half as long 

 as the third, and both recurrent nervures are received nearer the 

 base of the cells. 



21. Anthobosca erythronota Cam. (PI. LXXXI. figs. 5, 6 ; 

 PI. LXXXII. fig. 4.) 



Plesia erythronota Cam. Rec. Albany Mus. i. 5, p. 320 (1905). 



$ . Nigra; prothorace, mesothorace, tibiis tarsisque rnfo-ferru- 

 gineis ; segmentis abdominalibiis 2-4 inacula laterali alba utrinqv,e ; 

 alis fusco-ki/alinis, venis nigris. 



cJ . Niger, gracilis ; mandibulis basi, clypeo, oculis margine 

 interiore, pronoto late postice, tegulis, mesonoto macula, mesopleuris 

 macula, scutello viacula mediaua, postscutello macida mediana 

 transversa, segmentisque abdominalibus 2-4 macula magna trans- 

 versa utrinque albido-Jiavis ; pedibus nigi'is albo-variegatis ; alis 

 hyalinis, venis nigris. 



Variat § prothorace mesothoraceque nigris. 



Long., $ 10-11 mm., 6 8-11 mm. 



§ . Clypeus shining in the middle and somewhat flattened, 

 narrowly truncate at the apex. Head convex, broader than long, 

 not much broader than the thorax ; rather sparsely punctured, 

 the space round the base of the antennse closely punctured and 

 clothed with fulvous hairs. Eyes touching the base of the 

 mandibles, the line of the interior margin slightly undulating ; 

 posterior ocelli much nearer to each other than to the eyes. 

 Thorax rather sparsely punctured ; pronotum slightly emarginate 

 anteriorly, the posterior margin widely but not strongly arched ; 

 the projection of the mesosternum between the intermediate coxpe 

 very deeply bilobed. Median segment very finely and closely 



