30 Cameron, Hymenoptei-a Onentalia. 



covered with short, white hair. Head yellow, the front, 

 vertex, and occiput broadly in the middle, black ; the face 

 is sparsely covered with short, white hair ; its middle is 

 rough ; the front and vertex closely rugose ; the former 

 most strongly and furrowed down the middle. Mandibles 

 yellow, the teeth black. Thorax dark rufous ; the base of 

 the mesonotum, a line in the centre of the middle lobe, its 

 apex entirely, the apex of the scutellum, a spot in the 

 middle of the median segment, the greater part of the 

 propleurre, the base and apex of the mesopleurs 

 narrowly, its lower part broadly, the base of the meta- 

 pleurse broadly and the mesosternum, black. The middle 

 of the pronotum, the tubercles, the sides of the scutellum 

 (except at the apex), the apex of the median segment, the 

 tubercles, a large and a smaller mark on the apex of the 

 mesopleurae, a mark under the hinder wings, and an 

 oblique mark on the apex of the metapleurae in the 

 middle, yellow. The mesonotum is granular ; the median 

 segment is closely rugose behind the first transverse keel ; 

 the rest of it much more strongly rugosely punctured, 

 running into striations on the sides ; the second trans- 

 verse keel is narrow and curved backwards in the middle ; 

 the sides are expanded. Pleurae closely punctured ; the 

 middle and lower part of the apex of the propleurie 

 stoutly striated ; the apex of the mesopleur.t finely and 

 irregularly striated ; the furrow on the lower edge wide 

 and striated. The four front legs are pallid yellowish- 

 fulvous ; the apex of the front and the middle tarsi 

 entirely, black ; the hinder coxa; are broadly black on the 

 outer side and to a less extent on the inner side at the 

 apex ; the femora are broadly black above ; the apical 

 fourth entirely, the apical third of the tibiae, and the apex 

 of the tarsi, black. Wings hyaline, with a slight fulvous 

 tinge ; the basal abscissa of the radius straight ; the apical 



