1865.] 97 



teen very small obtuse blackish teeth, the basal one not larger than the 

 others ; their tibiae curved and acute at tip. Abdomen short, ovate, 

 smooth and shining, more or less marked or stained with dusky towards 

 the tip ; petiole nearly one-half as long as the rest of the abdomen. 

 Length 1} — If line; expanse of wings 2} — 3} lines. 



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



The smallest specimen varies by having the blackish marks of the 

 mesothorax and scutellum nearly obsolete. 



Smiera immaculata, n. sp. 



Entirely pale yellowish ; antenna; slightly dusky at tips: wings hyaline, iri- 

 descent; posterior femora armed beneath with numerous small dusky teeth, 

 the tarsi blackish at tips: abdomen tinged with fulvous, petiole as long as the 

 rest of the abdomen. 



Uniformly pale yellowish, slightly pubescent ; antennae inserted on 

 the middle of the face, the scape long and slender, the flagellum more 

 or less dusky above and towards the tip, Thorax immaculate, indis- 

 tinctly punctured, the lobes of the mesothorax well defined. Wings 

 hyaline, iridescent. Legs pale yellowish, tips of the tarsi blackish; 

 posterior coxae very elongate; their femora swollen and armed beneath 

 with a row of about thirteen or fourteen small teeth tipped with black, 

 the basal one the largest; their tibiae curved, acute at tip. Abdomen 

 small, subovate, tinged with fulvous, smooth and shining; petiole elon- 

 gate, slender, as long as the rest of the abdomen. Length 1} line; 

 expanse of wings 2j lines. 



Collection. — Ent. Soc. Philad. Two specimens. 



Distinguished from the preceding species by the absence of dusky 

 spots and by the longer petiole of the abdomen, which is nearly twice 

 as long in this species. 



Smiera petiolata, n. sp. 



Dull ferruginous, varied with black and yellowish; four anterior legs yellow: 

 wings hyaline, iridescent: petiole of abdomen very long and slender, twice as 

 long as the remainder of abdomen. 



Head yellowish, paler on the face, the sides of which are discolored 

 with leaden; a black spot on each side of the front behind the antennae 

 and before the ocelli ; occiput black, margined in front with ferrugi- 

 nous; antennae inserted on the middle of the front, dusky-ferruginous, 

 the scape short and tinged with yellowish beneath. Thorax finely and 

 closely punctured, ferruginous, spotted with yellowish; mesothorax 

 black, lateral margins of the central lobe ferruginous varied with yel- 

 lowish, the outer half of the lateral lobes also ferruginous; prothorax 

 ferruginous, with a yellowish line on the middle ; pleura dull ferrugi- 



