10 PROCEEDIlSrGS OF THE NATIONAL MUSEUM Vol. 7C 



throughout. Pronotum not shagreened; with its transverse carina 

 not complete medially. Sides of pronotum without a groove across 

 center, but with fine, anastomosing rugae in ventral angle. Scutum 

 with its notauli and antero-median groove not continuous. Mesepis- 

 ternum on the posterior slope without a premarginal groove. 

 Metanotum without an apical callosity or median groove or im- 

 pression. Legs black, except for variable reddish coloration on the 

 less exposed surfaces; without groove on hind basitarsus. Tegula 

 without incised or impressed lines on outside border; inner corner 

 not conspicuously produced or upturned; length not exceeding 

 width ; color black and opaque without shagreening. Wings smoky, 

 with first cubital mark not present. Propodeal areola with inclosed 

 areas smooth and free from sculpturing. Lower portion of sides 

 of propodeum without dense, setigerous hairs. Posterior aspect of 

 propodeum coriaceous laterally. First abdominal tergite without a 

 median patch of dense, minute punctures and without a preapical 

 groove that is broadly overlapped in the middle; no dimpled pri- 

 mary punctures on the posterior dorsum. First sternite with dense, 

 minute, setigerous covering on its disk, this covering not considered 

 to be sculpturing. Tergites 2 to 5 without a marginal line or groove 

 extending over the median region, and without dense, erect pile, 

 A"estigial apical rows of minute punctures, or other unusual arraiitre- 

 ment of punctures as described for various species. Pygidium not 

 longitudinally carinate, with impunctate emargination of the punc- 

 tate area, and not visibly shagreened on the apical jmpunctate 

 surface. 



Male. — Vertex devoid of a dense patch of secondary punctures ex- 

 tending dorsally; primary punctures of vertex conspicuousl}'' denser 

 in a medial patch behind the ocellar triangle than on either side. 

 Front not shagreened, its primary pimctures round and deep, of 

 first-degree density except on the preocellar region where they are 

 of third-degree density; without medial carina, groove, or stripe. 

 Impunctate margin of clypeal extension drawn to a thin edge. An- 

 tennae entirely black. Pronotum not shagreened, its transverse 

 carina complete and sharply erect. Mesepisternum not shagreened, 

 lacking the premarginal groove along the posterior surface. Legs 

 black. Tegula black, opaque, without shagreening or marginal 

 grooves or impressions. Wings smoky, with the hyaline lines dis- 

 tinct, first cubital mark not present. Tergites without erect, brown 

 pile or margins with linear grooves over the dorsum. First tergite 

 without an antero-median patch of dense secondary punctures. 

 Fifth sternite Avith lateral denticles beneath which there is no orifice ; 

 similar processes not present on preceding sternites. Hypopygial 

 median impunctate stripe of uniform width. 



