fi64 NEW SPECIES OF BRACONID.E. 



Antennae 13-jointec — Continued. 



All coxae brownish yello.w, sometimes dusky basally. 



Jiasal joint of hind tarsi not longer than the three following joints. 



Antennae brown to brpwn-black, but yellowish beneath, the two basal 

 joints, and one, two, or more of the following joints always yel- 

 lowish beneath L- citraphis Ashm. 



Basal joint of hind tarsi as long as the four following joints. 



Antennae brown-black L. myzi n. sp. 



All coxa> honey-yellow. 



Legs honey-yellow; posterior femora and tibiae sometimes brown. 



Terminal antennal joint fusiform twice the length of the preceding 



joint ; hind legs usually brown L. testaceipes Cress. 



Terminal antennal joint not twice the length of the preceding. 



Joints of llagellum twice as long as thick L. tritici n. sp. 



Joints of llagellum about thrice as long as thick. 



L. salicaphis Fitch. 

 3. Color variable; wholly brownish-piceous or yellow-ferruginous ..L. minutus n. sp. 



Lysiphlebus multiarticulatus n. sp. 



Male. — Length, 2""". Upper portion of head, inesonotum, and scutel- 

 lum black, the rest of the insect yellow-ferruginous ; antennas 18-jointed, 

 acuminated toward apex, brown-black, the two basal joints beneath 

 brownish-yellow, the joints of flagellum about two and a half times as 

 long as thick; metathorax delicately areolated ; all tibia' and tarsi 

 fuscous; abdomen ovate, the petiole aud 2d segment yellowish, beyond 

 brown; wings hyaline; veins pale brown, the stigma subhyaliue. 



Habitat. — Lafayette, Indiana. 



Described from one specimen, received from Mr. F. M. Webster. 



Lysiphlebus ribaphidis n. sp. 



Male. — Length, l| mm . Head and thorax black ; face, base of an ten use, 

 and legs honey-yellow ; collar, pleura, and apex of metathorax rufo- 

 testaceons ; abdomen flavo-testaceous, dorsally dusky or brown. An- 

 tennas 15 jointed, flagellum brown, the joints hardly thrice as long as 

 thick. Wings hyaline; veins brown-black, the stigma whitish. 



Habitat. — Lafayette, Indiana. 



Described from two specimens labeled No. 3935°, received from Mr. 

 F. M. Webster. These specimens were reared July 12, 188G, from the 

 currant Aphis. 



Lysiphlebus piceiventris n. sp. 



(?) Female. — Length, If""". Black, smooth, polished ; antenna 1 , legs, 

 and abdomen dark brown or piceous, middle and posterior coxa* black, 

 posterior femora obfuscated; antennae II jointed, the joints of the flagel- 

 lum about twice as long as thick; metathorax smooth on the disk, with 

 delicate ridges at sides; abdomen ovate, the petiole short, gradually 

 widened posteriorly, with prominent spiracles a little before the middle, 

 the 1st and 2d abdominal sutures pale; wings hyaline, veins brown. 



Habitat. — Los Angeles, California. 



Described from a single specimen, received from Mr. Albert Koebele. 



