54 Cameron, Hymenoptera Orientalia. 



from shortly above the antennal tubercles to the top of 

 the eyes ; the black above the outer side of the eyes being 

 oblique. Antennae entirely black; the scape thickly covered 

 with stiff white pubescence, the black part of the head 

 densely covered with glistening white pubescence ; the 

 vertex and occiput with the pubescence longer, darker, 

 and more erect. Thorax not twice the length of the head; 

 gradually narrowed to the metathorax, which bulges out, 

 so that it is as wide as the prothorax. Above, the thorax 

 is coarsely rugose and covered with long fuscous hairs ; 

 the apex of the median segment is oblique and has a 

 sharp spine in the centre. The pleurae are shining, im- 

 punctate ; covered with white pubescence ; black ; the 

 upper part of the pro-, the upper third of the meso-, and 

 the meta-pleuras above the oblique furrow, rufous. The 

 sides of the median segment with three large and one 

 short spine. The legs black ; covered densely with white 

 hairs ; the tibiae almost spineless. The abdomen longer 

 than the head and thorax united, velvety black, covered 

 with long black hairs ; a square spot on the centre of the 

 first segment ; three large oval ones at the apex of the 

 second ; a small one in the centre of the third, a larger 

 one in the centre of the fourth, both narrowed and 

 rounded at the base ; and the greater part of the fifth, 

 white. Ventral segments black ; the second strongly 

 punctured, sparsely covered with white hairs ; the others 

 are fringed with long pale hair. 

 The genital armature is normal. 



b. Winged, thorax not incised. 



Fore wings with only one recurrent nervure; three 

 transverse cubital nervures ; stigma elongate ; apex of 

 abdomen bispinose, middle tibiae with two spines. 

 Petiole serrate beneath, elongate, nodose at apex. Eyes 

 very large, oval, entire ; ocelli large. 



