88 Cameron, Hymenoptera Orientalia. 



rufous. Head shining; the face finely punctured, thickly 

 covered with short, fuscous hair ; the front in the centre 

 glabrous and very shining ; the two lamellae between the 

 antennae are stout and widely separated ; the palpi 

 thickly covered with white hair ; the mandibular teeth 

 black. Thorax unicolorous ; the mesonotum has the middle 

 lobe distinctly raised ; and with two wide depressions down 

 the middle and closely punctured ; the lateral lobes are 

 closely, but not strongly, punctured. Scutellum closely and 

 coarsely punctured ; the transverse keel at its apex stout ; 

 the depression behind it is wide and deep and has two 

 longitudinal keels on either side of the middle ; in the 

 middle behind is a distinct semicircular keel. The base 

 of the median segment is oblique and has a stout keel 

 down the middle, its apex being bordered by a stout keel ; 

 the slope of the segment at the top is bordered by a stout 

 keel ; between this and the basal transverse keel are two 

 straight keels having on either side a larger, oblique one ; 

 the spiracular area is bounded by two keels forming a 

 triangle, which is united to the keel bounding the top by 

 two small oblique keels. Propleurae smooth ; the meso- 

 pleurae obscurely punctured ; the furrow is oblique, wide, 

 deep and traversed by eight stout keels. Metapleurae 

 closely, but not strongly, punctured. The lower part is 

 bounded by a stout keel ; and there is a short, oblique 

 one over the coxae. Legs uniformly coloured, except the 

 apex of the hinder tibiae and the tarsi, which are black. 

 Wings yellowish-hyaline ; there is a black, squarish mark 

 at the base of the stigma ; the apex is smoky ; the first 

 transverse cubital nervure is oblique ; the second has the 

 upper half oblique, the lower straight. Abdomen smooth 

 and shining. 



Comes near to A. forticarinata, which may be known 

 from it by the different arrangement of the metanotal 



