288 BULLETIN 45, UNITED STATES NATIONAL MUSEUM. 



Synopeas cornicola, sp. nov. 



$ 9 . Length, 1 to 1.4'""'. Polished, black, impuuctured. Head a 

 little wider than the thorax, the vertex posteriorly not acieulated. An- 

 tenna' 10-jointed, pale brown, the scape and the club dusky or fuscous; 

 the first and third funiclar joints longer than thick, but still shorter 

 than the second ; chib 4-jointed, a little thickened toward apex. Tho- 

 rax ovoid, smooth, polished, with a very sparse pubescence, thickest 

 near the scutelluni ; parapsidal furrows distinct only posteriorly, ante- 

 riorly obliterated; scutelluui a little elevated posteriorly, very pubes- 

 cent, the tubercle covered with hairs ; nietapleura woolly. Tegah^ rufo- 

 piceous. Wings hyaline, pubescent. Legs pale brownish-yellow, the 

 coxa^ brown, the posterior femora and tibiw at tips, obfuscated. Abdo- 

 men oblong-oval, as long as the head and thorax together, the petiole 

 striated, sparsely pubescent, the second segment with 2 oblong foveolai 

 at base, one on each side. 



Habitat. — Kirkwood, Mo. 



Types in i^ational Museum. 



Described from specimens reared April 3, 1887, by Miss Mary Murt- 

 feldt, from a Cecidomyiid gall on Cormis paniculaia, at Kirkwood, Mo. 



Synopeas antennariae, sp. nov. 



S 9 . Length, 0.8 to 1.1""". Polished, black, impunctured ; vertex 

 of head posteriorly with a few faint aciculations. Antennic 10 jointed, 

 dark brown, the flagellum subclavate, the first fnniclar joint small but 

 still longer than thick and a little longer than the third, the <;lub 

 5-jointed, the joints, except the last, scarcely twice as long as thick. 

 Thorax with the mesonotal furrows indicated only posteriorly ; scu- 

 tellum subconvex, smooth, not pubescent, the spine or tubercle want- 

 ing: nietapleura sparsely pubescent. Tegula^ brown or rufous. 

 Wings hyaline, legs reddish-yellow, the coxte brownish, the posterior 

 femora sometimes dusky. Abdomen long-ovate, distinctly longer than 

 the head and thorax together, the petiole grooved and with a sparse 

 pubescence. 



In the S the abdomen is oblong-oval, about as long as the 

 head and thorax united; the legs uniformly bright yellow; the 

 antenna? pale brown, the first funiclar joint very small, rounded, the 

 second a little swollen and*curved, about as long as the pedicel, while 

 the club joints are all longer than thick. 



Habitat. — Milwaukee, Wis. 



Types in National Museum. 



Described from many specimens, in both sexes, reared May 31,1888, 

 by Mr. William M. Wheeler, from Cecidomyia antennaria Whir. 



Synopeas rufiscapus, sp. iu)v. 



$ 9. Length, 1 to 1.1""". Polished, black, impunctured; lateral 

 ocelli about twice their width from the margin of the eye, but still a 



