52 THE CANADIAN ENTOMOLOGIST. 



transversely striated on vertex back of the ocelli and on the lower portion 

 of the face. Antennae reddish brown. Legs red, tarsi paler, yellowish. 

 The thorax has two distinct parapsidal grooves and is delicately micro- 

 scopically punctate. Metathorax, metapleurae and base of abdomen 

 densely pubescent. Abdomen polished black and prolonged into a long 

 point posteriorly, being more than twice the length of the head and thorax 

 combined. Wings hyaline. 



Described from one specimen. 



Sactogaster Forster. 



(n) Sactogaster Hozvardii, n. sp. 



Female. Length .07 inch Polished black, impunctured. Antennae 

 and legs dark red, the posterior femora obfuscated, tarsi paler. The scu- 

 tellum is convexly high, striated and ends in a spine. The tail is nearly 

 twice the length of the inflated venter. Metathorax and metapleurae 

 wrinkled. Wings hyaline. Hab. — Washington, D. C. 



This species is described from one specimen taken by myself last 

 summer, on the outskirts of Washington. It is dedicated to my friend, 

 Mr. L. O. Howard, of the U. S. Dept. of Agriculture. Its much larger 

 size, striated scutellum and longer tail will at once distinguish it from S, 

 anomaUventris, described from Florida. In that species the scutellum is 

 smooth, while the tail is not as long as the inflated venter. 



Sub-family Diapriinvk. 



Aneurhynchus Westwood. 



(12) Aneurhynchus mellipes, n. sp. 



Female. Length .10 inch. Black, shining, sparsely pubescent. An- 

 tennae 12-jointed, red, stout, clavate; the scape is greatly thickened, a 

 little shorter than half the length of the flagellum ; pedicel thicker, but 

 not half as long as the first funiclar joint ; second shorter than the first, 

 and the third shorter than the second ; from thence the joints are shorter 

 than wide and well separated. Parapsidal grooves distinct. Legs, in- 

 cluding the coxae, honey-yellow. Abdomen polished black, petiole rugose. 

 Wings sub-hyaline, pubescent; the submarginal vein ends in a callosity 

 and a short stigmal vein, but it does not reach the costal margin ; the 

 sub-marginal vein is very pale. 



Described from one specimen. 



