34 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 6L 



Body black with following parts yellow : Scape ; short transverse 

 band in front of carinae on pronotiim, notched in median line behind ; 

 narrow band on hind margin of scutellum slightly broader toward 

 ends; spot on upper basal margin of hind coxa, and spot near apex 

 beneath; spots near base and apex of hind femur; upper margin of 

 hind tibia ; small spot near apex of femur and base of tibia on front 

 and middle legs; band near hind margin of sixth tergite, interrupted 

 at median line and tapering laterally. Legs and base of abdomen 

 more or less rufous. 



Head nearly as wide as hind margin of pronotum: face finely 

 rugosely punctate, covered with short silvery pubescence; clypeus 

 emarginate with tooth in median line ; lower tooth of mandible sharp 

 pointed, second tooth broad and blunt; line from median ocellus to 

 level of clypeus a little longer than interocular space; malar space 

 about one-fourth length of eye; distance across scapal furrow at 

 base over twice the distance between furrow and eye; postocellar 

 space 1.5 times ocellocular; vertex broad, flat, closely punctate with 

 polished striated areas on either side of lateral ocelli ; occipital carina 

 distinct only slightly bent forward in median line; antennae piceous, 

 12-segmented, first funicular segment about twice length of pedicel, 

 following four segments nearly equal, the rest becoming stouter 

 toward apex. 



Pronotum has two prominent, polished carinae parellel to its hind 

 margin, which is also carinate ; both carinae incomplete, the anterior 

 reaches only a short distance on either side of median line ; mesos- 

 cutum evenly, densely punctate; scutellum broadly rounded, hind 

 margin smooth and polished; foveae of metanotum with two dis- 

 tinct ridges on either side and hind margins broadly polished, apex 

 of metanotum rounded, slightly bulging punctate; propodeum 

 rugosely punctate, equal to metanotum in length, no distinct 

 median*^ carina, lateral carinae strong, apex sinuate, polished; 

 hind coxa finely setigerous punctate upper margin rounded 

 and without spur; hind femur more than 1.5 times as long 

 as wide, evenly punctate on outer surface and with under sur- 

 face polished and nearly smooth, basal tooth on lower margin 

 largest, second small and inconspicuous, folloAving six teeth increas- 

 ing, the remaining six decreasing in size, becoming fused. Fore 

 wings fuscous, with purple metallic luster, central area lighter; 

 hind wings subhyaline, clouded apically and along upper margin. 



Abdomen longer than head and thorax together; seen from above 

 swollen behind middle, seen from side broadest behind, apex 

 broadly rounded; base with smooth polished truncature and two 

 polished depressions at sides ; second tergite 1.2 times as long as 

 wide, punctate except posteriorly below, basal two-thirds reddish, 



