2 Cameron, Hymenoptera Orientalia. 



The scape of the antennae, the second joint, and the 

 base of the third, green ; the flagellum black, covered 

 sparsely with a microscopic white down ; the third joint 

 slightly, but perceptibly, longer than the fourth. The 

 vertex coarsely punctured; a curved keel runs from the 

 side of the lower ocellus, the space between being 

 irregularly longitudinally striolated, except in the centre 

 at the apex, where it is smooth ; the space below the 

 antennae thickly covered with long white hair ; the 

 clypeus has some scattered, moderately large punctures ; 

 the mandibles black, piceous towards the middle. Pro- 

 notum coarsely punctured ; depressed in the middle ; the 

 mesonotum with the punctures as large, but, if anything, 

 more widely separated ; the median segment with the 

 punctures still larger, deeper, and coarser, and with an 

 oblique wide depression at the sides, this depression 

 having at the base a few stout oblique keels. Pro- 

 pleurae strongly and somewhat irregularly punctured, 

 and with a large oval depression on its lower side ; the 

 mesopleurae in front with small punctures ; the rest with 

 the punctures large, coarse, and deep ; at the bottom 

 are five stout perpendicular keels, which form one oval 

 and three straight foveae ; the sternum finely punctured ; 

 the mesosternum with a straight keel, which does not 

 quite reach to the apex. Legs green ; the femora and 

 tibiae punctured, sparsely covered with white hair; the 

 tarsi with the hair shorter and thicker, black ; the base 

 broadly testaceous. Wings fuscous, with a violaceous 

 tinge; the apex almost hyaline. Abdomen large; the 

 puncturing moderately close, deep, and of about equal 

 strength on all the segments ; on all closer and 

 stronger laterally. The apical segment waved ; without 

 teeth, but with a rounded projection on either side of 

 the middle ; there are 10 foveae, the central large, broader 

 than long, the others smaller and rounder; the ventral 



