1865.] 95 



lum, metathorax, tip of posterior coxse above and their femora beneath, acutely 

 toothed, the latter with four teeth. 



Bright yellow, pubescent ; spot on vertex, covering the ocelli and 

 nearly the whole of the occiput, black ; antennae inserted on the middle 

 of the front, stout, ferruginous-brown, the flagellum of uniform thick- 

 ness, scape yellowish beneath. Thorax closely and rather roughly 

 punctured ; spot on the disk of prothorax, a very large mark covering 

 nearly the whole of the mesothorax and enclosing three yellow spots, 

 and nearly the whole of the pleura, black ; scutellum produced, entirely 

 yellow, armed behind with two stout subacute teeth ; metathorax black- 

 ish, roughly sculptured, the lateral projections yellow, the posterior 

 teeth rather long, acute and strongly divergent ; tegulae yellow. Wings 

 subhyaline, slightly iridescent. Legs bright yellow, shining; posterior 

 coxaa elongate, black at tips with an acute tooth above ; their femora 

 much swollen, armed beneath with four large acute black teeth, the 

 two middle ones the longest and directed backwards, a large spot on 

 the lower margin over the two basal teeth, a smaller round spot on the 

 upper margin, opposite the preceding and another spot at the tip, all 

 black; posterior tibiae curved, acute at tip, black at extreme base; 

 tarsi dusky at tips. Abdomen short, subglobose, slightly compressed, 

 smooth and shining, the third and following segments more or less 

 stained or banded with blackish, mostly interrupted on the disk; petiole 

 more than half the length of the rest of the abdomen. Length 22—3 

 lines ; expanse of wings 4 — 5 lines. 



Collection. — Ent. Soc. Philad. Four specimens. 



Smiera nigropicta, n. sp. 



Yellow ; antennae, anterior and posterior margin of, and three longitudinal 

 marks on the mesothorax, anterior suture of pleura, spot on scutellum, base of 

 metathorax, large spot on posterior coxse, tip of their femora and base of their 

 tibise, and dorsal bands on the abdomen, black; wings hyaline, iridescent; 

 posterior femora armed beneath with a row of numerous small black teeth. 



Bright yellow, sometimes with an orange tinge, slightly pubescent ; 

 extreme posterior margin of the head black ; antennae inserted on the 

 middle of the face, stout, the flagellum of uniform thickness, blackish 

 above, fulvous or yellowish beneath, as well as the scape which is long 

 and cylindrical. Thorax closely and deeply punctured ; a small black 

 spot on the anterior face of the prothorax, more distinct when the head 

 is bent downwards; the anterior and posterior margins of the mesotho- 

 rax black, as well as a longitudinal black stripe on each lobe, the cen- 

 tral one narrowed at each extremity and dilated in the middle, the black 

 on the anterior margin is also dilated on each side of the middle, and 



