316 BULLETIN 45, UNITKD STATES NATIONAL MUSEUM. 



tis wide as tliick, the vcitt'X i)ost<'rioily not or voiy laiiitly nciculnted. 

 Antenna' lojointcd, hljuk, tlio lla^clhini slender, twice as loiij;- as the 

 scape; pedieel about as long and thiek as the second <lul) joint; tirst 

 tun iclarjuint very minute, second and thinl, longer, eijual; club 5 jointed, 

 the tirst Joint a little shorter and narrower than the secfuid ; secontl, third 

 and fourth «'(iual in length, very slightly longei- than thick, the lastcone- 

 sha])ed, longer than the i)re(;eding. In the S the pedicel is not long»'r than 

 the second funiclar Joint; the tirst f'liniclar Joint is annular, fully as wide 

 as the pedicel, the seeoiul funiclar Joint is a little shorter than tiie tirst 

 club Joint; club C Jointed, (•ylindri( al, the last Joint enlarged, fusiform, 

 all the other Joints ]»edicellated, about ejpial in h'ngth,<'ylindiic, about 

 twice as long as thick. Thorax ovoitl, highly ])olished, tlu^ mesonotal 

 furrows distinct posteriorly for half the length of the njesonotum, the 

 parapsides at base with slight tufts of glittering white hairs. Kcutel- 

 lum high, convex, sparsely i)ubescent i)osteriorly. Metai)leura bare, 

 not perfectly smooth. Metauotum very short, with a deep central 

 groove. Teguhe black. Wings hyaline, covered witli a short pubes- 

 cence. 



Legs black or piceous-black, the tii> of anterior tibia' and the anterior 

 and middle tarsi brownisii. Abdonu'u i>olished, pointe<l in the 9 and 

 scarcely longer than the head and thorax united; in the S oblong oval; 

 in both Fexea the i)Otiole is bare, fluted, the second segment with two 

 long, striated foveohe at br^e. 



Habitat. — May wood, HI. 



Tyi>e8 in N.ational IVIuseum. 



Described from several s]>ecimens, reared January 22 and February 

 1 and 3, 181)0, by Prof. <>. S. Westcott, from a willow Ceeidomyiid (Asy- 

 napta, sp.). 



PolygnotUB huachucae, sp. nov. 



$9. Length, O.SO to 1.40"'". Black, polished; head about thrice as 

 wide as thick antero posteriorly, the vertex i>osteriorly showing taint 

 traces of aciculations. Mandibles piceous. Antenna', 10-Jointed, black, 

 the tlagellum one and a half times as long as the scape; pedicel 

 a little longer than the tirst and second funiclar Joints together; first 

 funiclar Joint very minute, pale; second and third longer, the second 

 the larger; club 5-Jointed, the first Joint smaller than the three follow- 

 ing, whicli are a little wider than long, rounded at base, truncate at 

 tip, the last cone-shaped, a little longer than the preceding. In the S 

 the Hagellum is not quite twice as long as the scape, the pedicel equal 

 in length with the second funiclar Joint, tirst funiclar Joint annular, 

 second not quite as long as thick, obliquely truncate at tip, club 

 6-Jointed, covered with a short, grayish i)ubescence, the Joints sub- 

 moniliform, the last cone shaped, not quite twice as hmg as the pre- 

 ceding. Thorax ovoid, polished, the mesonotal furrows indicated only 

 posteriorly, the lateral lobes posteriorly bare, without tufts of hairs. 



