182 AMERICAN HYMENOPTERA. 



shorter than the shortest side of the trapezium ; coxiE black, the anterior ones 

 partly yellow around the apex, the middle pair with a little yellow at apex, tro- 

 chanters nearly almost all yellow, only the posterior proximal pair partly brown, 

 anterior femora, anterior and middle tibise yellow, partly stained with a kind of 

 brownish testaceous, especially beneath, the tarsi of anterior and middle legs 

 yellow, with two or three apical joints strongly brown, claws brown, middle and 

 posterior femora ferruginous, the middle pair tipped with yellow, posterior tibiae 

 and tarsi brown, the tibise yellow at extreme base and ferruginous beneath, tibial 

 spurs testaceous, with more or less brownish. 



Abdomen.— ChieQy ferruginous, only the first three segments with black, peti- 

 ole black, except the apical nodular third, which is ferruginous, the second seg- 

 ment black, except a narrow snbapical band fused with lateral triangular marks, 

 all of which are ferruginous, third segment with a little more than the middle 

 third of the basal two-thirds black, ovipositor brown, nearly as long as the sec- 

 ond abdominal segment, the sheaths black. 



Type. — University of Kansas. 



Type locality. — Douglas Co., Kansas, 900 ft. 



One specimen taken in September, by E. S. Tucker. 



<'aini>oples: villosns Nort. 



One 9 , Douglas Co., 900 ft., taken by E. S. Tucker. 



Opliiou idoneum Vier. 



9 % taken at Lawrence, 900 ft. in April, by E. S. Tucker. 



Piinpla aiintilipes Brulle. 



Two S from Douglas Co., 900 ft., taken in October, by E. S. 

 Tucker, and in July (U. of K. coll.), lot 61 ; sub. 



Pinipla parvialba n. sp. 



Readily distinguished by the black posterior tibite with only the 

 basal fourth white. 



%. — 6 mm. — Head. — Face dull granular, with separated shallow punctures; 

 clypeus shining, more sparsely punctured ; cheeks shining and punctured ; malar 

 space about as high as the pedicellum is long, anteunse twenty-three jointed, the 

 scape and pedicellum together about as long as the second joint of the flagellum ; 

 head black, excepting the flagellum, which is dark brown, clypeus brown, with 

 the anterior margin blackish, mandibles yellow, dark brown at apex, palpi testa- 

 ceous. 



T/jonta;. — Shining, closely punctured, upper half black, the tegulse a line be- 

 neath posterior wings and a mark on each side of dorsulum cream color or whitish, 

 lower half of thorax chiefly ferruginous; metathorax entirely black, with an 

 even surface and no carinse ; scutellum with two shades of brown and with a 

 whitish margin posteriorly ; wings hyaline, with the nervures colorless at base, 

 otherwise dark brown, stigma dark brown, with the basal and apical corners 

 whitish, discocubital nervure almost forming a right angle, areolet oval, almost 



