HYMENOPTERA OF SARAWAK. 125 



testaceous. Four front legs, hinder coxae, apical joint of 

 trochanters and the basal three-fourths of hinder tibiae, yellow ; 

 the rest of hind legs black, with the femora rufous beneath. 

 Wings hyaline, stigma dark testaceous. $ . 



Centre of face irregularly, longitudinally striated, base of 

 clypeus irregularly punctured. Mesonotum strongly reticu- 

 lated. Sculpture of scutellum hid by the dense hair. Meta- 

 notum irregularly reticulated, the pubescence dense, long and 

 pale golden. Pro- and mesopleurae stoutly, longitudinally striat- 

 ed ; the meta- reticulated. 



XOBIDES. 



Canostoma, gen. nov. 



Wings without an areolet, the recurrent nervure received 

 shortly before the cubital ; the transverse median behind the 

 transverse basal. Cubital nervure in hind wings broken below 

 the middle. Clypeus depressed, its apex broadly rounded. 

 Labrum large, as long as the clypaus, broadly rounded at the 

 apex and slightly narrowed above. Mandibles edentate, becom- 

 ing narrowed towards the apex, which is bluntly rounded. 

 Apex of face obliquely raised, with a fovea on either side of the 

 middle. Thorax about 4 times longer than wide ; the middle 

 lobe of mesonotum clearly separated ; scutellum flat, deeply 

 bifoveate at the base ; post-scutellum bifoveate. Median seg- 

 ment longer than broad, reticulated, its apex transverse and 

 with a large tubercle on either side of the apex. First segment 

 of abdomen fully 4 times longer than wide, as long as the 2nd 

 and 3rd segments united ; narrowed at the base, the spiracles 

 placed shortly behind its middle ; a curved depression before its 

 middle ; triangular depression — sharply prjnted at the base — on 

 the 2nd and a shorter, rounded one on the 3rd segment. There 

 are 8 abdominal segments. Four front legs slender, of moder- 

 ate length ; the middle coxae longer than usual and longer 

 than the anterior ; the hinder legs much stouter and longer ; 

 the coxae about 4 or 5 times longer than wide ; the trochanters 

 half their length ; femora stout, the tibiae as long as the trochan- 

 ters and femora united ; the metatarsus as long as the other 



R. A Soc, No. 44, 1905. 



