PARASITIC HYMENOPTERA. 207 



KeleiiciiM riifiventris sp. n. 



9. — Leiifitli W iimi. Head and thorax, except scutelhni), black ; anteiniic with 

 the flaj;elhiin brownish l)eneatli, especially towards base. Legs and abdomen 

 rufous, the latter more or less black above towards apex. Wings subfuliginous, 

 the stigma and veins black. 



Hub. — Agricultural College, Mit'higau. 



Described from oue 9 .^^pecinien received from Prof. Davis. 



Tribe II. Phygadeuonini, 



PHYGADEUON. 



I'liygadeuon phrygaiiidite sp. n. 



9. — Length .5 mm.; ovip. l.S mm. Head and thorax black, subopaque and 

 minutely shagreened. Legs and abdomen rufous; antennai "i.^-joiuted, brown, 

 the first two joints of the flagellum of about an equal length, more than four 

 times longer than thick, the following joints to the thirteenth gradually sub- 

 eijual, beyond this joint they are short, only a little longer than wide; metatho- 

 rax areolated ; petiole of abdomen longitudinally aciculated, the second segment 

 shagreened. the sculpture of the tliird being much finer, the segments beyond 

 smooth and polished. Wings subhyaline. being slightly dusky , stigma and veins 

 brown, the .stigma with a small pale spot at base, the cubital nervure broken at 

 about the middle by a stump of a vein. 



Hdb. — Alameda, Cal. 



Described from two specimens labeled No. 60c, reared by Mr. 

 Albert Koebele, from P/ty</a)iidia calif ornica Packard. 



APSILOPS Forster. 

 ApKilopM hirtirroiiM Ashm. 



9 ■ — Length 6.4 mm. ; ovip. 2 mm. Head, antennse and the thorax, excejit the 

 white scutellum, entirely black. Legs, including coxie, red ; all trochanters and 

 the apex of posterior femora and tibise and tar.si, black. Abdomen wholly dark 

 blue, except a white spot above on the la.st segment, highly jKilished ; the an- 

 tennse are 2.'J-jointed, the second joint of flagellum longer than the first, the 

 third and fourth joints being about equal ; the head and thorax above are shin- 

 ing, although densely microscoi)ically punctulate. the pleura and metathorax 

 rugose, areolated, sparsely covered with a short white pile, denser at base and on 

 the sides ; .sj)ii-acles round, the lateral angles subacute, short. Wings hyaline, 

 but having a dusky appearance from the dark pubescence; stigma and veins 

 piceous. 



Hab. — District of Columbia; Columbus, O. ; and Champaign, 111. 



Described from many specimens. A single specimen was bred 

 March 2H, 18HS, at Dei)artment of Agriculture from a Pyralid living 

 in a water lilly. This is the insect mentioned by Mr. Hart as prob- 

 ably being parasitic on Hydrocampa obliteralvi. 



I find I have already described it from a single male S[)ecimen 

 under the name CryjAm hirtij'ro)i><, Proc. U. S. Nat. Museum, 1888, 

 p. 411. 



TRANS. AM. ENT. SOC. XXIII. JUNE, 1896 



