152 Cameron, Hymenoptera Orientalia. 



shining. Pro- and meso-pleurae shining, smooth ; the 

 apices of both crenulated, the former indistinctly above ; 

 the meso- on the lower part at the base is bounded by a 

 sharp, narrow keel which is continued across the sternum ; 

 this part is obscurely punctured and has, near the base, a 

 crenulated furrow. The metapleurse below the keel 

 obscurely punctured and bounded, on the lower side, by a 

 distinct keel. The four anterior legs are entirely fulvous, the 

 hinder pair black, except the apical joint of the trochanters 

 and the extreme base of the femora, which are rufous ; 

 the calcaria are pale testaceous. Wings hyaline, but with 

 a slight fulvous tinge ; the areolet triangular, the nervures 

 uniting above ; the recurrent nervure received in the basal 

 fourth. Abdomen closely and strongly punctured ; the 

 basal depressions of the petiole smooth ; its apex is more 

 strongly punctured than the second segment. 



Theronia areolata, sp. nov. 



Fulva, brunneo-maculata ; antennis brunneis ; alisfulvo- 

 hyalinis, stigmate fulvo, nervis nigris. ? . 



Long. 12; terebra 3 mm. 



Antennae as long as the body ; the scape brownish, 

 yellowish beneath, the sides with a black line; sparsely 

 punctured and covered with long, pale hairs; theflagellum 

 brownish, darker towards the apex. Head yellowish; the 

 front in the middle and the occiput, except near the eyes, 

 brownish. Face sparsely punctured in the middle, the 

 clypeus smooth; mandibles yellowish, the teeth black; the 

 palpi yellowish, more fulvous towards the apex. Thorax 

 luteous, the mesonotum brownish, the sides and two lines 

 down the middle, yellowish. Scutellum impunctate, 

 thickly covered with long, black hairs ; its sides and apex 

 yellow ; the depression at the base deep black. Postscu- 

 tellum smooth, almost bare; at the base deeply bifoveate; 



