256 ASHMEAD [250] 



chanters black, except the second joint of trochanters, base of middle 

 and hind femora, extreme apex of hind tibiae and their tarsi ; tegulae 

 piceous black. Wings hyaline, the costs to near apex, a spot at base of 

 stigma and most of the internal veins brownish-yellow, the apices of the 

 costal veins, stigma and post-stigmal vein dark brown. Metathorax 

 coarsely rugose, the pleural carina strongly elevated, the median carina 

 distinct. The abdomen, except the first segment which is rugulose, 

 and the second segment which is feebly alutaceous, with a broad median 

 swelling, is smooth and polished. 



Type. — Cat. No. 5708, U. S. Nat. Museum. From Juneau, July 

 25. One specimen. 



Subfamily ICHNEUTINy^. 

 Genus Ichneutes Nees. 



ICHNEUTES REUNITOR Nees. 



Ichneutes reunitor Nees, Mag. Gas. naturf. Fr. Berlin, vii, p. 276 ; Tom. 7, 

 f. 5, 1813. — Wesmael, Nouv. Mem. Acad. So. Bruxe>les, xi, p. 156, 

 1838. — Blanchard, Hist. Nat. Inst., iii, p. 335, 1840. — Westwood, 

 Intro. Mod. Class. Ins., 11, Synop.,p. 63, 1840. — Ratzburg, Ichn. d. 

 Forstins., in, p. 69, 1852. — Forster, Verb. Naturh. Ver. pr. Rheinl. 

 XIX, p. 255, 1862. — Marshall, Ent. Mo. Mag., xii, p. 195, 1876. — 

 Marshall, Trans. Ent. See. London, p. 183, 1889. — Marshall, in 

 Andr6's Spec. Hym. Eur., v, p. 211, 1893. — Thomson, Opus. Ent. 

 Fasc, 20, p. 2214, 1895. — Dalla Torre, Cat. Hym., iv, p. 88, 1898 



From Popof Island, July 1 1 . Two specimens. 



Parasitic in the larvae of saw-flies, belonging to the family Nema- 

 tidse, and is widely distributed over Europe from the Arctic Circle to 

 the Mediterranean. Here first recorded from North America. 



ICHNEUTES POPOFENSIS sp. nov. 



Male. — Length 3 mm. Black, shining, and clothed with a sparse, 

 glittering white pubescence ; mandibles rufous, black basally ; palpi 

 and the legs, except the coxae and the middle and hind trochanters 

 which are black, pale ferruginous. 



The antennae are 27-jointed, as long as the body, slender toward 

 tips, the third joint the longest, not quite as long as joints 4 and 5 

 united, joint 8 and joints beyond, a little more than twice longer than 

 thick. Wings hyaline, the costae, outer margins of parastigma and the 

 stigma, brown black, the stigma within and the internal veins brown- 

 ish-yellow ; the first abscissa of the radius is hardly developed, not 

 longer than the very short, second transverse cubitus, and leaving the 

 second cubital cell subsessile. The metathorax is coarsely rugulose, 



