Some New Genera and Species of Hymenoptera. 227 



scutellum, extending to shortly beyond the middle, two large marks 

 on the first abdominal segment extending from the basal slope to the 

 apex and narrowed on the inner side, a broad band on the apex of 

 the second, narrowed and almost interrupted in the centre, and 

 narrower lines on the following three segments, yellow. Scutellar 

 plate large, twice longer than wide, its apex bilobate, the lobes 

 rounded and slightly narrowed at the apex ; the basal half black, the 

 apical yellow, suffused with rufous, the centre keeled, the sides with 

 some oblique keels. The basal half of the scutellum is deeply 

 furrowed in the centre, the edges of the furrow bordered ; its sides 

 keeled, roundly curved, ending in a sharp point, the whole forming 

 a broad lobe rounded and margined on the inner side ; in the centre 

 is a keel which projects into a spine at the apex. On the centre of 

 the metanotum are two keels, which unite at the apex ; the basal 

 half of the area thus formed is irregularly, widely reticulated ; the 

 apex is smooth and hollowed ; the sides are margined, the basal half 

 bears some irregular oblique keels. Pleurae strongly, closely punc- 

 tured. The hair on the thorax is thick, white, tinged with fulvous. 

 Back of abdomen strongly, closely punctured ; the base of the seg- 

 ments with smooth, narrow transverse furrows. Pygidium not 

 much narrowed towards the apex, which is smooth, almost trans- 

 verse. From the apices of the sides of the dorsal five segments 

 projects a stout, oblique, longish, slightly curved white spine. Legs 

 yellow ; all the coxae and trochanters, the four front femora broadly 

 above and the hind femora, except at the apex, clear yellow. Wings 

 hyaline, the costa and nervures black. Flagellum brownish below. 

 Lower part of front, face, and clypeus thickly covered with silvery 

 pubescence. Mandibles yellow, rufous at the apex. 



Length 6 mm. 2 . 



Cape Colony. Stellenbosch. 



Gen. SCELIPHEON, Klug. (PELOPOEUS, Auct.). 



SCELIPHRON ? LEPTOGASTER, Sp. nOV. 



Black; the apex of petiole, the penultimate abdominal segment 

 except the basal half above and the last segment testaceous ; the 

 four front legs rufo-testaceous, the fore tarsi paler; the posterior 

 tibiae tinged behind with testaceous ; hind spurs testaceous ; head 

 and thorax thickly covered with silvery pubescence ; wings hyaline, 

 the nervures blackish. Tarsal spines white. $ . 



Length 17 mm. 



Cape Colony. Dunbrody, February. 



This species may form the type of a new genus or sub-genus. I 



