314 BULLETIN 45, UNITED HTATES NATIONAL MUSEUM. 



Polygnotiis utahensis, sj). nov. 



S 9. Lengtli, 1""". Bhu-k, polislit'd; head tlnujo as wide as thick 

 antero-posterioily, tlie vertex in 9 an_i;iilaily produced over the eye, but 

 uot in the S , posteriorly not aeicuhited, or only faintly aciculated in 9 , 

 perfectly smooth in S , the face smooth. Antenme lO-jointed, black or 

 brown-black ; pedicel a little longer than the second funiclar joint; first 

 funiciar Joint very small, rounded; second and third about e(iual; club 

 5-jointed, tlie joints, excei)t the last, longer than thick. In the S the 

 second funiclar joint is distinctly longer than the pedicel ; club O-jointed, 

 the joints about twice as lojig as thick, pedicellate. 



Thorax ovoid, polished, with the mesonotal grooves slightly indicated 

 posteriority and with some pubescence just in front of the scutellum. 

 Scutellnm in S subconvex, pubescent with a slight median carina; 

 in 9 high, transversely, convex, polished. IVIetapleura in 9 bare, finely 

 sculptured; in S sericeous. Teguhe rufo-piceous. Wings hyaline, 

 pubescent. Legs black or l)rown-black, tarsi piceous, in S the knees, 

 tips of anterior tibia>, and all tarsi, honey yellow. Abdomen not longer 

 than the thorax, polished, the petiole and foveohv at base of second 

 segment, striated. 



Habitat. — Pariah, Utah. 



Types in National JMuseum. 



Described from two specinuMis, 1 ^,19, received from A. L. Siler, 

 and bred during July, 1S81, from a Cecidomyiid gall on Artemisia 3- 

 dcninta. 



Polygnotiis cynipicola, sp. nov. 



$ 9. Length, O.GO to 0.80 Black, polished; head 3^V times as 



wide as thick antero-i)osteriorly, the vertex i>osteriorly very faintly 

 aciculated, the face smooth, ])olished. Antenna^ lO-jointed, brown- 

 black ; pedicel as long as the second funiclar joint, piceous ; first funiclar 

 joint very minute, yellowish, third, longer than the second; club 

 njointed, broad, the joints, except the last, .slightly wider than long; 

 in $ th«' club joints are longer than wide, coveied with white bristles, 

 the last pointed, fusiform. Thorax ovoid, i)olislied, the mesonotal fur- 

 rows faintly indicated posteriorly, the basal ti))S of the middle lobe 

 slightly elevated. iScutellum high, transversely convex, sparsely 

 l)ubesceiit posteriorly. Metapleura bare, aciculated, in $ slightly seri- 

 ceous. Teguhe black. Wings hyaline, i)ubescent. Legs black or 

 brown-black, the tip of anterior tibia' and all taisi, honey-yellow. 

 Abdomen not longer tlian the thorax, polished, the petiole and the 

 foveohe at base of second segment striated, the third and following 

 segments with transverse row\s of punctures. 



Habitat. — Arlington, Va. 



Types in National JMuseum. 



Described from several si)ecimens, bred July .), 1SS.>, from a (Jynipid 

 gall, Neurotem.s hatatiis b'itch. 



