128 Cameron, Hymenoptera Orientaha. 



Antennae fulvous ; more yellowish in tint about the 

 middle ; the scape shining, almost bare. Head fulvous, 

 the face paler, more yellowish ; the front and vertex to the 

 end of the ocelli, a band extending from the latter to the 

 occiput and of the width of the ocellar region, and a band 

 on the upper part of the occiput, black. Mandibles black, 

 as is also the part behind the clypeus. The projecting 

 part of the face punctured, but not strongly ; the sides 

 quite smooth ; the pubescence sparse, fuscous ; the front 

 and vertex are obscurely punctured, smooth, almost 

 glabrous. Mesonotum black; sparsely pilose; on the 

 base of the middle lobe is a somewhat y\-shaped fulvous 

 mark; there is a similarly coloured line in the middle on 

 the inner side of the middle lobe, and a shorter line along- 

 side the tegulse. Scutellum finely, transversely punctured ; 

 pale fulvous yellow; a large, somewhat oval, black mark 

 at its base, and a somewhat triangular one at the apex; 

 postscutellum shining, pale fulvous yellow, broadly black 

 in the middle. Median segment smooth and shining; at 

 its base in the centre is a large, deep depression, broader 

 than long, and having at the sides some longitudinal keels. 

 Propleurae very smooth and shining; the upper part is 

 occupied by a large, pale fulvous mark, which, posteriorly, 

 is prolonged downwards to shortly below the middle; the 

 basal part at the base is similarly, but more narrowly, 

 coloured, from the middle on the basal part to near the 

 end on the lower side; the apex is depressed and crenu- 

 lated. Mesopleurse finely punctured, the apical furrow 

 narrow, crenulated; the tubercles and a large mark 

 occupying the greater part of the pleurae posteriorly, 

 fulvous yellow; this mark is slightly oblique, longer than 

 broad, the top straight at the base ; the apical part oblique ; 

 the upper part above conically indented. Legs rufous; 

 the posterior tarsi slightly yellowish; the four anterior 



