576 PROCEEDINGS OF THE ACADEMY OF [Nov., 



Female. — Length 13 mm.; body black, mostly covered with black 

 hairs; head with its facial line : transfacial line :: 73 : 98, axial 

 line : temporal line :: 39 : 26, malar line : joint 3 of antennae :: 4 : 14, 

 elevated portion of malar space nearly as long as depressed portion, 

 head covered with black or blackish hairs except for some pale hairs 

 on the vertex, front more reticulate than striate, not elevated along 

 the inner foveal edge, fovea at most : ocellocular line :: 18 : 24, 

 foveal band wanting, fovea virtually contiguous to the upper end of 

 the inner eye margin, distance between fovea and ocelli : ocellocular 

 line :: 5 : 24, fovea hardly constricted near its middle where it is 

 apparently nearly as wide as the greatest width of the fovea, the 

 latter continued below the middle as a narrowing shallow impression 

 down to a point distinctly below the clypeal line, fovea very dark 

 seal-brown, face shining, finely reticulated and rather indistinctly 

 punctured, the punctures one to three puncture widths apart, clypeus 

 slightly elevated above the apical margin, convex, sculptured much 

 like the face but more shining and more distinctly punctured, 

 clypearea wanting, clypeus densely hairy laterally where its surface 

 is nearly hidden by hairs, labrarea rounded, its width at base : length 

 down the middle :: 20 : 5, convex at apex, labrarea at base at least 

 two-thirds as wide as the labrum, the latter with a fringe of brownish 

 hairs, joint 3 of antennae : 4 + 5 :: 14 : 11, joint 4 nearly as thick 

 as long, the succeeding joints as long or a little longer than thick, 

 the end joint distinctly longer than thick, antennae blackish through- 

 out, mandibles typical, robust, extending to the outer edge of the 

 labrum, black except for the apical half which is partly dark reddish, 

 palpi nearly typical; thorax covered with an abundance of slender 

 hairs which are ochreous on the dorsulum where they are a little 

 shorter than the blackish hairs on the mesopleurae, dorsulum dullish, 

 finely reticulated and closely punctured with rather indefinite 

 punctures, notauli represented by a shining line, mesopleurae with 

 blackish hairs, except along the upper margin where the hairs are 

 concolorous with the hairs of the dorsulum, scutel hairy and sculp- 

 tured much like the dorsulum except for being less finely sculptured, 

 metanotum hairy and sculptured like the dorsulum except that the 

 sculpture is coarser, tegulae dark brownish stramineous, reticulated 

 and shiny, wing base partly blackish brown, subcosta blackish brown, 

 stigma pale stramineous with a blackish tinge, rest of veins dull 

 brownish stramineous, with a blackish tinge, first recurrent vein 

 received by the second submarginal cell a little before, in or a little 

 beyond the middle and as near or nearer to the first transverse cubitus 



