19K').! NAT1 RAL SCIENCES OF PHILADELPHIA. 557 



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

 thick except joints 11 and 12 which arc distinctly longer than thick, 

 antenna' blackish throughout, mandibles typical, robust, extending 

 to the outer edge of the labrarea, black except for the apical fourth 

 and inner edge which are clear dark reddish, palpi nearly typical; 

 thorax covered with an abundance of pale ochreous almost white 

 hairs which are as long on the dorsulum where they are darker than 

 the almost whitish hairs on the mesopleurae, dorsulum dullish, finely 

 reticulated and punctured like the face but more distinctly so, 

 notauli represented by a shining line, mesopleurae with almost 

 whitish hairs, sculptured somewhat like the dorsulum but not so 

 closely or distinctly punctured, scutel hairy and sculptured much 

 like the dorsulum, metanotum hairy and sculptured like the dorsulum 

 except that the sculpture is denser and less distinct, tegulse dark 

 brown, polished, wing base partly blackish brown, subcosta blackish 

 brown, stigma pale brownish stramineous, rest of veins dull stramin- 

 eous, with a blackish tinge, first recurrent vein received by the 

 second submarginal cell beyond the middle and nearly as near to the 

 second transverse cubitus as the first transverse cubitus is to the 

 stigma on the radial vein, nervulus interstitial and forming an acute 

 angle with the first abscissa of the discoidal vein, legs blackish 

 except for the tarsi and hind tibiae which are more or less dark brown, 

 legs covered with brownish golden and ochreous hairs, scopa typical, 

 its hairs of the lower half pale ochreous, almost white, of its upper 

 half with a brownish hue, hairs at base above decidedly darkened, 

 hind metatarsi at most apparently a little narrower than mid meta- 

 tarsi; propodeum with its enclosure poorly defined, dullish and finely 

 reticulated, rest of upper face of propodeum sculptured somewhat 

 like the mesopleurae but with smaller punctures, and covered with 

 finer pale ochreous hair, propodeal pleurae with sparse shallow punc- 

 tures and almost hidden by the almost white floccus; abdomen with 

 its tergum shining and sculptured much like the face, the punctures 

 from two to six or more puncture widths apart on the first tergite, 

 the punctures hardly closer on the succeeding tergites, second, third 

 and fourth tergites with an apical, whitish hair band that is inter- 

 rupted in the middle, apical edge of first, second, third and fourth 

 tergites with a stramineous border, second tergite with its elevated 

 portion down the middle : depressed portion :: 16 : 9, fifth tergite 

 >hining, reticulate, its punctures closer together than on the other 

 tergites, pygidium nearly planate, with a shallow furrow on each 

 side, nearly pointed at apex, tergum with inconspicuous, pale, nearly 

 civet hairs in addition to the hair bands, fimbria dark seal-brown. 



