50 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.51. 



club 3 which is smallest of the club. Club 2 slightly longer than 

 wide. Forewings naked from proximal third of marginal vein to 

 base, broad. A line of small setae along near caudal margin, opposite 

 the break of the submarginal vein (about 10 setae). 



Described from one female on a tag labeled "371°. Par. of Cynips 

 from gall of Cecidomyiia quercus-pilulae. Issued March 24, 1879." 

 United States. 



Type. — Cat. No. 19627, U.S.N.M., the above specimen, the fore wing 

 and antennae on a slide. 



ACHRYSOCHARELLA ACUMINATICORNIS, new species. 



Female. — Length, 1.50 mm. 



Dark metallic purple, the propodeum and abdomen dark metallic 

 green, the wings hyaline, their venation except the dusky stigmal vein 

 and the legs except the dusky metallic femora, reddish yellow. Scape 

 reddish yellow, dusky toward tip. A very slight stain from the apex 

 of the stigmal vein. Postmarginal vein distinctly somewhat longer 

 than the stigmal. Abdomen with a very short petiole. Body finely 

 scaly reticulate. Propodeum of moderate shortness, noncarinatc. 

 Parapsidal furrows complete but sutured only cephalad. Flagellum 

 with numerous long, non-whorled, single hairs, the pedicel somewhat 

 longer than wide, shorter than the following joints; funicles 1-2 

 subequal, clubs 1-2 each slightly shorter, club 3 still shorter, termi- 

 nating in a rather long point. Funicle 1 about two and a half times 

 longer than wide, the flagellar joints elongate. 



Described from one female in the United States National Museum 

 collection captured at Washington, District of Columbia, June 23. 



Type.— Cut. No. 19628, U.S.N.M., the female on a tag plus a shde 

 bearing the antennae. 



PARDIAULOMELLA IBSENI, new species. 



Female. — Length, 1.80 mm. 



Dark metallic blue, the trochanters, knees, tibiae, tarsi, and scape 

 white, the venation pale, the wings hyaline. Head finely scaly, the 

 thorax more finely so, the lines raised but not very coarse, the areas 

 small. Propodeum with a glabrous median carina and no others, no 

 sulci, of moderate length, scaly punctate, the spiracle round, cephalad, 

 not small. Abdomen finely scaly. Axillae much advanced. Scutel- 

 lum with four bristles. Anteimae inserted below the middle of the 

 face, cylindrical, 11-jointed with two short ring-joints, the club 3- 

 jointed, the third joint small, nipple-like, itself ending in a short, 

 stout terminal spine. Pedicel barely longer than wide, two-thirds 

 the length of funicle 1 which is longest, widening distad, somewhat 

 longer than wide, 2 a little wider than long, 3 and 4 subequal, each 

 distinctly wider than long. Club 1 subequal to funicle 2 ; club short, 



