344 W. H. ASHMEAD. 



pubescent, the fiiuicular joints scarcely longer than tliick ; niesonotiim without 

 a median impressed line. Wings hyaline, pubescent, the venation light brown. 

 Abdomen orbicular, subsessile, much shorter than the thorax, but a little wider, 

 with the segments nearly equal. 



ITaft.— Morgautown, AV. Va. Bred June 10, 1891, by Prof. A. 

 D. Hopkins from Orc/yia leucostigma on maple. 



TETRASTIC'HODES Ashmead. 



Tetrastichodes tibialis sp. u. 



9. — Length 1-1.5 mm. Blue-black, polished: scape, trochanters, tibiae and 

 tarsi yellowish white; femora, except tips, brown or dusky; flagellum brown, 

 pubescent, the funicular joints subeqnal, about one and a half times as long as 

 thick, the club stouter, ovate. 3-jointed ; collar distinct, niesonotum without the 

 median imjiressed furrow or line. Wings hyaline, pubescent, the venation pale. 

 Abdomen ovate, pointed at tip, not longer than the thorax. 



Hub. — Morgantown, W. Va. 



Described from specimens bred by Prof. A. I). Hopkins from a 

 parasitic cocoon, Limneria sp. parasitic on Acronycta. 



