^ET. 15. REVISION OF ICHNEUMOX-FLIES MUESEBECK. 25 



cubitus and the first abscissa of radius ; posterior coxae large, at least 

 lialf as long as thorax, closely punctate on the outer face, and with a 

 very long, narrow, flattened, very finely aciculate area on the outer 

 <upper edge ; inner spur of middle tibiae a little longer than middle 

 metatarsus; inner spur of posterior tibiae at least two-thirds as 

 lono- as posterior metatarsus ; abdomen nearly as long as thorax but 

 much more slender ; first dorsal abdominal plate large, covering more 

 than a third of the abdomen, broader at apex than at base, a little 

 longer than its greatest breadth, and rather evenly covered with dis- 

 tinct separate punctures, strongly shining; second tergite short and 

 broad, much shorter than the third, and nearly four times as broad as 

 long down the middle, where it is longer than at the sides, the pos- 

 terior margin being decidedly curved; practically the entire second 

 plate, like the remainder of the abdomen, smooth and polished; 

 hypopygium prominent but not surpassing the apex of the last dorsal 

 segment; ovipositor sheaths nearly as long as the abdomen. Black; 

 labrum, mandibles, and palpi yellowish ; scape, except a narrow black 

 stripe on the outer side, and the apex, bright yellow ; remainder of 

 the antennae black ; tegulae and wing-bases pale yellow ; wings very 

 clear hyaline ; costa yellowish ; other veins largely, and the stigma, 

 brown; anterior and middle legs entirely pale yellow, the tarsi 

 whitish, the pulvilli brown; posterior coxae black on the basal half 

 or two-thirds, yellow beyond; posterior trochanters pale; posterior 

 femora testaceous except at extreme tip, their tibiae blackish on the 

 apical third, their tarsi brown except at extreme base ; abdomen black ; 

 the third tergite bright testaceous except medially and along posterior 

 margin; venter of abdomen entirely testaceous; ovipositor sheaths 

 black. 



Male.— Like the female, except that the abdomen is more slender, 

 the first tergite being nearly parallel-sided, and the second not so 

 broad as in the female ; the third tergite is almost entirely black. 



Cocoons. — White, solitary, with a little loose silk. 



Type locality.— F Sills Church, Virginia. 



Allotype locality. — Bentonville, Arkansas. 



Type.— Cat. No. 23987, U.S.N.M. 



Hosts.— E cdytolopJia insiticiana Zeller on Rohinia; Canarsia h-am- 

 mondi Riley ; Gelechia., species ( ? ) . 



Described from five females and two males bearing the following 

 data : Type, reared from Ecdytolopha insiticiana at Falls Church, Vir- 

 ginia, July 25, 1914, by C. Heinrich, under Hopkins U. S. No. 12103 

 L-2; allotype— ^enioiiVillQ, Arkansas, Aug. 1, 1919; paratypes—t-^o 

 reared from Canarsia hanmiondi Riley July 23, 1919, by D. Isely, in 

 the Bureau of Entomology, under Quaintance No. 16171; one labeled 

 " Parasite on Gelechia sp. ? " ; and one labeled " Cana. 2156 Collection 



