1888.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 621 



Bracon euurae n. sp. 



Female.— Length, 2% mm ; ovipositor, If. Honey-yellow, smooth and 

 polished; head, tips of mandibles, antennae, lower margins of* meso- 

 pleura, extreme apex of scntellum, postscutellum, dorsum of meta- 

 thorax, plate of 1st abdominal segment at base, a quadrilateral blotch 

 on 2d segment, and blotches occupying most of the dorsal surface of 

 3d and 4th segments, and ovipositor, black. Head transverse, an 

 orbital line at summit of eyes and face, yellow; antenna) 32-joiuted, 

 slightly longer than the whole insect, 1st joint basally aud the 2d joint 

 apically, yellow; parapsidal grooves not distinctly impressed; ineta- 

 thorax smooth, with a slight median groove; abdomen ovate, the plate 

 of 1st segment trapezoidal, the following segments smooth ; legs con- 

 colorous with the body, the terminal joint of all the tarsi and the apex 

 of posterior tibial and tarsi, except the sutures of joints, dusky. Wiugs 

 hyaline, strongly iridescent, veins dark brown, excepting the costae, 

 median aud submediau veins, which are more or less yellowish; the 

 stigma almost black ; venation as in B. phycidis, the 2d submargiual 

 cell being narrowed and somewhat lengthened. 



Habitat. — California. 



Described from one specimen, labeled ISTo. 3747 x , reared January 23, 

 1886, from a saw-fly {Euura sp.) found on Salix, sent to the Depart- 

 ment from California by Mr. Albert Koebele. 



Bracon juglandis n. sp. 



Male. — Length, 2f mm . Black, smooth, and polished ; vertex of head 

 (excepting a black spot inclosing ocelli, the depressed space for recep- 

 tion of scape and a line running from between antennae connected with 

 a triangular black spot on clypeus), tegulae, parapsidal grooves con- 

 nected with a transverse line in front of the scntellum, lateral margins 

 of 1st and 2d segments and the suture between, bright yellow ; occiput, 

 with the exceptions already mentioned and the antennae, black. The 

 antennae are broken aud the joints can not be counted. Metathorax 

 smooth; the abdominal segments beyond the 2d are distinctively sepa- 

 rated by distinct grooves, and each segment has a median dorsal im- 

 pression ; legs, black ; tips of coxa? and trochanters, basal and apical 

 tips of femora aud the tibia 1 and tarsi, yellow, the latter more or less 

 obfuscated. Wiugs, dusky hyaline, paler at tips, veins brown, venation 

 as in B. phycidis. 



Habitat. — Los Angeles, California. 



Described from one specimen, labeled No. 151°; reared by Mr. Albert 

 Koebele from a lepidopterous larva infesting old walnuts, at Los An- 

 geles, California. 



Bracon tortricicola u. sp. 



Female. — Length, 2| lnm ; ovipositor, f mm . Pale ferruginous and black ; 

 a spot inclosing ocelli connected with a line running to the base of each 

 autenna, vertex of head, occiput, aud antenna', black; parapsidal 



