MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID^. 433 



Scutellum with 2 small foveaB at base: 



Pedicel about as long as the first fuuiclar joint. 



Legs rufous T. rxjfipes, sp. nov. 



AntenuiB entirely black. 



Pedicel shorter but thicker than the first funiclar joint. 

 Legs pale rufous, base of coxiB and tho thickened portions of the femora and 

 tibiiB more or less piceous T. carolinensis, sp nov. 



2, Antenna* not wholly black 3 



Anteuuie wholly black. 



Pedicel thicker and a little longer than the first funiclar joint. 



Last joint of club large, twice the length of the penultimate, first joint 

 small. 

 Legs black, the trochanters, buMi of tibise and tarsi pale. 



T. PoPENOEi Ashm. 



3. Pedicel longer and thicker than the first funiclar joint. 



Antennai fuseous or dark brown, ckib slender, the joints a little longer than 



wide, the 6 funiclar joints slender, cylindric, twice as long as thick. 



Legs rufous, the coxie, trochanters and knees yellow . . T. Harringtonii Ashm. 



AutenufB fuscous only towards the tip, rufous basally, the club stout, the joints, 



except tho first, as broad as long. 



Legs reddish-yellow, the femora and tibia' tinged with rufous. 



T. I'ACIFICA, sp. nov. 

 Legs dark rufous; club abrupt, fuscous, four jointed, the joints except the 



last quadrate T. hirticolijs V.shm. 



Pedicel stouter but not longer than the first funiclar joi»t. 



Club black, rest of antennte yellow, the funiclar joints, except the last, which 

 ' is monilifonii, are longer than thick. 

 ■ Legs yellow T. flavipes, sp. nov. 



Trichopria pentaplasta, sp. nov. 



9. Length, l.S""", 5?lack, polished, impunctured ; antennae, except, 

 the club and legs, reddish-yellow. Head rounded. Antennae 12- 

 jointed, long, terminating in a 5-jointed club; first funiclarjoint a little 

 longer than the pedicel; the following joints subequal, about three 

 times as long as thick, thelast, thickened ; club black, the first joint ob- 

 long, the second, third, and fourth quadrate, equal, the last, conic, 

 longer but not thicker than the penultimate. Scutellum with a distinct 

 fovea at base. Metathorax carinated, pubescent. Wings hyaline, 

 strongly fringed ; the stigma yellowish. Abdomen ovate, black, polished, 

 the petiole li times as long as thick, fluted, pubescent, the second seg- 

 ment truncate at base and slightly overlapping the base of the petiole. 



The $ has li-jointed, filiforni-moniliform antennae, the first flagellar 

 joint twice as long as the pedicel and a little longer than the second; 

 the second stouter, a little curved and dilated into an acute point 

 outwardly at tip; the following joints moniliforra, the last conical, all 

 the joints with stiff bristles. Scutellum with a deep fovea, at base and 

 a slight ridge toward tip; otherwise similar to the $ . 



Habitat. — Washington, D. C; Arlington, Va.j and Riley County, 

 Kans. 



Types in Coll. Ashmead. 



21899— Ko. 45 2^ 



