82 Cameron, Hyvienopter'a On'entalia. 



Antenn.X" black, slightly longer than the body. Front 

 and vertex smooth and shining ; the latter covered with 

 long fuscous hair ; the face rugose, sparsely covered with 

 long fuscous hair; the clypeus bordered on the lower side 

 with a distinct keel, above with a thinner one ; the 

 mandibular teeth black. Thorax smooth and shining ; 

 the mesonotal lobes black, except round the edges. 

 Scutellum yellow, except the sides at the base. Post- 

 scutellum black. Median segment black, shining and 

 covered with long white hair. Pleurae smooth and shining; 

 the furrow on the metapleuraj wide, deep, and narrowed 

 in the middle. Wings hyaline, iridescent, their base 

 with a slight fulvous tint ; the costa and stigma black, 

 as are also the nervures ; the second cubital cellule at the 

 top is more than half the length of the third ; the recurrent 

 nervure is interstitial. Abdomen black, except the sides 

 of the petiole and the apical segments, which are testaceous ; 

 the base of the petiole is smooth ; its apex has two united, 

 somewhat oval, areai, which have some stout, irregular 

 keels inside. The second segment is raised and stoutly 

 irregularly reticulated in the middle ; with a keel down 

 the middle, this keel being smooth and triangular at the 

 base ; its depressed sides are obliquely striated on the 

 inner half; the second and third segments are closely 

 rugose, the second almost rugosely striated ; the securi- 

 form articulation stoutly striated or keeled ; the lateral 

 curved branch broader, shallower, indistinctly striated ; 

 the apex of the segment laterally is produced slightly 

 behind, and is smooth and shining ; the apex of the third 

 is similarly, but more greatly produced ; the apex of the 

 segment is depressed ; furrowed ; the edge is pale ; the 

 penultimate segment is depressed, aciculated. The front 

 legs are entirely testaceous ; the middle pair testaceous, 

 with the coxaj and trochanters black ; the hind legs are 



