362 PROCEEDINGS OF THE NATIONAL MUSEUM vol. iie 



deeply depressed on the anterior side with the free border curved and 

 ending on each side as a dark amber apex; mandibles with two sep- 

 arated denticles, the apical one very much the larger; antennae normal 

 in form, amber except the scape, which is creamy yellow. 



Thorax black except band on the pronotum, scutellum, metanotum, 

 the tegulae, and two patches on the pleura, which are creamy yellow; 

 tegulae smooth and not elevated; propodeum largely amber with a 

 yellow patch on each side; enclosure black, lightly ridged at a 45° 

 angle to the medial row of deep pits; mesosternal tubercle prominent 

 and marked with creamy yellow; legs amber basally, changing to 

 creamy yellow midway on the femora; wings subhyahne except the 

 stigma, which is dark amber. 



Abdomen more sparsely but deeply pitted than the head and 

 thorax; tergum 1 light amber with a partly divided yellow patch; 

 terga 2 to 5 creamy yellow with a dark amber emargination on the 

 anterior sides; pygidium oval with both ends rounded but narrowing 

 apically; venter amber except two small spots on sternite 2 and 

 narrow bands on sternites 3 and 4, which are creamy yellow. 



Male. — 'Length 7 mm. Black with creamy-white markings and 

 limited ferruginous on the first two abdominal segments; punctation 

 more widely spaced than average; pubescence short. 



Head black except for the face, minute spot back of the eye, base 

 of the mandibles, and most of the scape, all of which are creamy 

 white; clypeal border with three denticles on the medial lobe, the 

 medial denticle more prominent than the lateral ones; surface of the 

 medial lobe convex; hair lobes extend to the margin of the medial 

 lobe of the clypeus; mandibles with slight evidence of a low, broad 

 elevation but no distinct denticle; antennae with the apical segment 

 slightly curved and slightly flattened on the apical end, fulvous 

 beyond the peduncle, which is darker. 



Thorax black except for a divided band on the pronotum, two 

 patches on the scutellum, the metanotum, a prominent patch on the 

 pleuron, and the tegulae, all of which are creamy white; tegulae low 

 and smooth; enclosure with a deeply pitted medial groove and deeply 

 pitted lateral margins; mesosternal tubercles absent; legs dark fus- 

 cous over the basal parts and largely creamy white over the apical 

 ends of the femora and the more apical segments; the trochanter of 

 the midleg shows a tendency to be lighter than the adjoining leg 

 segments; wings subhyaline, stigma very dark. 



Abdomen black except the entire first segment is ferruginous and 

 terga 2, 3, and 4 have broad bands, tergiun 5 has a narrow band and 

 tergum 6 a narrow broken line, all of which are creamy white; venter 

 with lateral creamy-white patches on sternites 2, 3, and 4 (that on 2 



