NO. 2140. AMERICAN CHALCIDOID HYMENOPTERA—OIRAULT. 41 



Mandibles tridentate, the face of the inner tooth concaved and feebly 

 sen'ate. Club with its termmal nipple over half the length of club 

 3, which is shortest, club 2 longest, subequal to funicle 2, which is 

 longer than wide. Funicle 1 nearly twice longer than wide, barely 

 longer than the pedicel. Antennae dusky, the scape yellow. First 

 ring-joint largest. Scutellum with 2 bristles (distad of center). 



Described from a female, forest, May 18, 1915. District of Co- 

 lumbia. 



Type. —Cat. No. 19585, U.S.N.M., the female on a tag, the head on 

 a slide, 



ACHYSOCHARELLA AMERICANA, new species. 



Female. — Length, 1 mm. 



Differs from acuminaticornis Girault m being less robust, the legs 

 are white (including all coxse), the general coloration is dark metallic 

 green, the wings are hyaluie throughout, the stigmal and postmar- 

 ginal veins are somewhat longer, the scaly sculpture of the thorax 

 fainter, the thorax more shmy. The joints of the funicle and club 

 are distmctly shorter, funicles 1-2 only about three-fourths longer 

 than wide, the club johits a httle shorter. Mandibles with three 

 acute teeth. Scape white, rest of antennae black. Hairs on flagellum 

 shorter. Compared with type of the named species. Flagellum 

 with the club distinct, less acuminate. Abdomen sessile. 



From one female, forest, May 18, 1915, Washhigton, District of 

 Columbia. 



Type.— Cat. No. 19586, U.S.N.M., the female on a tag, tlie head 

 on a slide. 



CHRYSOCHAROMVIA OCCIDENTALIS, new species. 



Female. — Length, 1.50 mm. 



Shining, bright metallic green, the legs white except the coxae; 

 scape white except rather broadly at apex. Body very deUcately 

 scaly, the face more coarsely so. Propodeum nearly glabrous. Vena- 

 tion dusky yellow, the wings hyahne. Pedicel slightly longer than 

 wide, subequal in length to funicle 3; ring-joint 3 abruptly shortest 

 (in relation to the funicle), distinctly wider than long, its apical 

 margin oblique; funicles 1-2 subequal, longest, each somewhat longer 

 than thick; club 1 slightly shorter than funicle 3; termmal nipple 

 of the club distinct. Antennae with short pubescence. Third ring- 

 jomt very large, colored and clothed like the funicle. Habitus of 

 Aclmjsocliaris. Postmarginal vein elongate, the stigmal about a 

 third of its length, distmctly longer than wide, yet short. Marginal 

 vein about twice the length of the submarginal. Abdomen sub- 

 petiolate, propodeum noncarinate. Parapsidal furrows cephalad 

 only, short. Axillae only sUghtly advanced. Cheeks very short. 



