738 MR. R. E. TURNER ON 



20. Anthobosca natalica Turn. 



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

 (1908), 2 . 



5 . 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 sparsely punctured. 



Black ; pubescence on the apical dorsal segment brown and 

 long ; tegulfe and extreme apical margin of the abdominal segments 

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

 Wings fusco-hyaline, nervures fusco-ferruginous. 



Length 12-17 mm. 



Hah. Malvern, JSTatal. 



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 recvirrent 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 ; iwoihorace. viesothorace, tibiis tarsisque rufo-ferru- 

 gineis ; segmentis abdominalibus 2-4 macula laterali alba utrinque ; 

 alls fusco-hyalinis, venis nigris. 



(S . Niger, gracilis ; 'mandibtdis basi, clypeo, ocidis margine 

 interiore, pronoto late postice, tegidis, mesonoto macida, mesopleuris 

 inacida, sctttello macida tjiediana, postsctctello macula mediana 

 transversa, segmentisque abdominalibtcs 2-4 macula magna trans- 

 versa utrinque albido-Jlavis ; pedibus nigris albo-variegatis ; alis 

 hyalinis, venis nigris. 



Variat $ prothorace mesothoraceque nigris. 



Long., 5 10-11 mm., S 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 antennje 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 spai'sely punctured ; pronotum slightly emarginate 

 anteriorly, the posterior margin widely but not strongly arched ; 

 the projection of the mesosternum between the intermediate coxse 

 very deeply bilobed. Median segment veiy finely and closely 



