1921] VierecJc — Descriptions of New IcJineumonidce 7i> 



first ninth, areolet petiolate, the recurrent vein interstitial with 

 the second transverse cubitus, wing base yellowish, tegul^ yellow 

 and pale stramineous, fore coxge mostly yellow brownish at base, 

 mid coxae with the basal half mostly black, the apical half mostly 

 yellowish, hind coxge black except for yellowish tips, all trochanters, 

 fore and mid femora and most of fore and mid tibi^ more or less 

 yellow or yellowish, fore tarsi except onychii, the latter and all of 

 mid tarsi dark brown, hind femora reddish brown, hind tibia? and 

 tarsi blackish, their spurs stramineous, metapleurte more closely 

 and finely punctured than the mesopleurs"; propodeum, l)lack, 

 mostly shallowly punctured, shining and covered with silvery 

 pubescence, l)asal apical and longitudinal carina? present, the median 

 longitudinal carinte rather poorly developed, petiolarefe and third 

 lateral area transversely ribbed, abdomen mostly reddish and shin- 

 ing, first segment black, petiole polished and cylindrical, post petiole 

 minutely reticulated and bulbous, the distance from the spiracles 

 to the apex nearly three times as great as the distance between the 

 spiracles, second tergite black except for reddish brown apical 

 margin and subtly sculptured, finely reticulated, thyridia oval, 

 brownish, nearer to the lateral edge than to the middle of the 

 tergite, spiracles of the second tergite distinctly beyond the middle 

 and not as near to the lateral edge as are the thyridia, third tergite 

 with its uper aspect, black and sculptured much like the second 

 tergite, the sides of the third tergite, finely reticulated ,punctured, 

 shining and reddish like the rest of the tergum except for a black- 

 ish longitudinal tinge down the middle of the compressed tergum, 

 visible sternites, excepting the first, yellowish, abdomen obliquely 

 truncate, ovipositor at least half as long as the abdomen. The 

 recurrent vein is not always interstitial. 



Labrorychus aestivalis sp. nov. 



Type.— Xo. 11188, M. C. Z. 



Type-locality. — Chain Bridge, Virginia, June 23 (N". Banks). 



Other localities. — Falls Church, June 22, at flowers of Ceanothus, 

 Glencarlyn, July 2, Virginia (N. Banks). 



Type 2 ; length 13 mm.; reddish inaculated with black and 

 yellow; head, trausfacial line : facial line : : 42 : 35, axial line : 



