1919] Gahan: Chakid-Wasps 165 



as long or a little longer than the mesoscutiim ; propodeum short, mostly 

 sculpturcless with a weak median carina and strong lateral folds, the 

 spiracles elliptical and close to the anterior margin of propodeum; 

 wings hyaline, the area before the submarginal vein with a few cilia 

 apically ; behind the submarginal bare ; ciliation of the "rest of wing rather 

 sparse; stigmal and postmarginal veins subequal and each about four- 

 fifths the length of marginal ; abdomen about as long as head and thorax, 

 conic-ovate and somewhat narrower than the thorax. Head and thorax 

 aeneous, scape pale testaceous; fiagellum dark brown; mandibles brown- 

 ish; coxae concolorous with the thorax; all femora brownish-black; all 

 tibiae brownish except at apex which is pale yellowish like the tarsi; 

 apical joint of all tarsi dark; abdomen metallic blue-green at base, 

 bronzy black beyond. 



Male. Length 2 mm. Scape reaching the front ocellus, antennse 

 with two ring- joints and a six- jointed funicle, the funicle joints subequal 

 and slightly longer than broad; ocellocular and postocellar lines about 

 equal; abdomen not as long as the head and thorax; color of head and 

 thorax metallic blue-green; all femora dark brown; all tibiae and tarsi 

 pale yellowish, the apical tarsal joint dark; otherwise like the female. 



Type locality, Tempe, Arizona. Type, Cat. No. 22299, 

 U. S. Nat. Mus. 



Host, Asphondylia websteri Felt. 



Described from eight females and one male reared by 

 V. L. Wildermuth from the alfalfa midge under Webster No. 

 7268, Tempe No. 2251. Also one female and one male from 

 the same locality and host reared by Mr. Wildermuth under 

 Tempe No. 2224. 



Mouthparts and antenna of a female paratype mounted on 

 a slide (Hymenoptera Slide No. 783, U. S. Nat. Mus.) Other 

 type material mounted on card points. 



This species, according to Mr. Wildermuth, is known to be 

 a true parasite of Asphondylia websteri Felt. 



Trimeromicrus maculatus Gahan. 



One specimen of this species, reared under Tempe No. 

 2223 is, according to Mr. Wildermuth, known to have been a 

 true secondary parasite of Asphondylia websteri, having been 

 dissected out of that host and then reared to maturity. Other 

 specimens of the species were reared under Tempe No. 2264 

 from galls of Asphondylia websteri along with a number of other 

 hymenopterous parasites and including several specimens of 

 Brnchophagiis funebris. 



