MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID^.. 427 



loiiper than wiile. Eyes rather Hinall, oval, coarsely facetted. Mandi- 

 bles ajul ))iilpi pale l)n>wn. Anteniiie iiisertetl on a frontal prominence; 

 in 9 I'J jointed, pale brown, terminating^ in a black, 4-,iointe(l club; the 

 scape projects far above theo<'elli, above dusky, beneath pale; pedicel 

 stouter and slightly longer than the first funiclar joint; the funiclar 

 joints slender, cylindric, the joints very slightly shortened to club; the 

 club joints large, quadrat ely oval, the last oblong; in tln^ <^ 14-jointed, 

 longer than th«'- body, pale brown, the flagellar joints nodose-pedicellatti 

 .vith whorls of hairs; the pedicel is about half the length of the first 

 flagellar joint, the following to the last shorter, the last i>ointed, fusi- 

 form. Scutelluui with a large rounded fovea at base. Teguhe honey- 

 yellow. Whigs hyaline, with long cilise. Legs, including coxie, reddish- 

 yellow, the tip of the posterior tibije slightly dusky, the coxfi" more or 

 less pubescent, the legs spar ely pilose. Abdomen ovate, scarcely 

 longer than the thorax, subdepressed, the second segment c»ccupying 

 most of its surface, the following segments very short, the third in 9 

 being longer than the others. 



Habitat. — Sacramento County, Cal. 



Types in National Museum. 



Described from many specimens, reared in September, 1890, by 

 Albert Koebele, from Dipterous puparia found in the ground. 



A specimen of the pupariuni, sent with the parasite, shows it to be- 

 long to the large family Musddce. 



Diapria abdominalis Say. 



-* 



Pailua abdominalis Say, Lee. Ed. Say's WorkH, ii, p. 729. 

 riatynmchun abdominalis A»]\n\., Cau. Ent., xix, p. 195. 

 Diapria abdomiHalis Cr., Syn.llyin.,j>.2iil. 



AnteuQiG clavate, as long as tLe body ; black, abdomen whitish. 



Inhabits Indiana. 



Body black; antenntu broken at the second joint; first joint one-fourth the whole 

 length, whitish; second joint obconic; terminal joint ovate-fnsifonu, longer than 

 the three preceding joints together; wings very deeply ciliated; abdomen whitish, 

 particularly at base; tarsi white. 



Length about one-fourth of an inch. (Say.) ., 



Diapria obtusa Say. 



PailuH obtuaua Say, Lee. Ed. Say's Works, i, p. .383. 

 Galesita obtuaus Ashm., Can. Ent., xix, p. 19.5. 

 Diapria obtusa Cr., Syn. Hyni., p. 251. 



Black; feet whitish, thiglis black in the middle. 



Inhabits Indiana. 



Body black, polished; .antenn»> fuscous; anterior wings white and very obtuse, 

 finely ciliated ; cilise very short; feet whitish; thighs black, white at base and tip; 

 coxte black. 



Length nearly one-twentieth of an inch. (Say.) 



