MONOGRAPH OF THE NORTH AMKRICAN PROCTOTRYPID.E. 423 



flagellar joint is the longest joint, the second is a little shorter, clavate, 

 a little curved, the following, very little shorter, fusiform. 



Habitat. — Santa Cruz Mountains, California. 



Types in National Museum. 



Diapria utahenais, Hp. nov. 



J . Ijengtli. 1.4'""'. Agrees in every respect with 7). cali/ornica, ex- 

 cept as follows : The antennie are a little shorter; the ttrst flagellar 

 joint is scarcely longer than the pedicel; the second, about half the 

 length of the first; the following to the club all short, not or scarcely 

 longer than thick, very slightly widened, moniliform; club 3-jointed, 

 the first joint moniliform, the last oblong. The fovea at base of scutel- 

 lum is shallow as compared with D. californica, and not connected with 

 the lateral impressed lines. The petiole is as thick as long ; therefore 

 a little shorter than in D. californica, while the body of the abdomen 

 is a little longer. 



Habitat. — Salt Lake, Utah. 



Types in Coll. Ashmead. 



Two ? specimens received from Mr. E. A. Schwarz. 



Diapria erythropus, sp. tiov. 



9. Length, 1.6 to 1.8""'. Polished black, impunctured; antennee, 

 except club, and legs, reddish -yellow ; metathorax and petiole piceous; 

 wings hyaline, strongly fringed. 



Antennae long, 12-jointed, terminating in a 3-jointed, black club; the 

 first flagellar joint is about as long as the pedicel, more slender, cylin- 

 drical, joints li to 6 subequal, seventh much longer and stouter than 

 the sixth ; club joints all longer than thick. Collar woolly at sides. Scu- 

 tellum faintly foveated at base, very slightly ridged toward apex, the 

 sides sloping and with a slight impressed line. Abdomen ovate, a little 

 longer than the thorax, polished black, the petiole piceous or yellow- 

 ish, scarcely longer than thick, pubescent above and beneath. 



The $ differs in having long 14-jointed antennae, rufo-piceous toward 

 tips, the joints relatively as in Z). californica, the thickened parts of the 

 legs more or less piceous, while the abdomen is shorter and of au oval 

 shape, colored as in the female. 



Habitat. — District of Columbia, Virginia, and Florida. 



Types in Coll. Ashmead. 



Diapria agromyzae Fitch. 



Second N. Y. Report, p. 303; Cress. Syn. Hym. N. A., p. 251. 

 "The Wheat Mow Fly's Parasite. They measure 0.06"'"' in length, 

 and to the tip of the closed wings, 0.08" ". They are black and shining, 

 with shanks thickened toward their tips, the hind pair very long, and 

 the legs are pale yellowish, with the thighs and the thickened ends of 

 the shanks black. The abdomen is elliptic. The antennae in the males 



