74 BULLETIN 45, UNITED STATES NATIONAL MUSEUM. 



GoniozuB cellulariB Say. 



Bt'thyliis cellularis Say, Lcc. Ed. Say, ii, p. 276; Ashm. Ent. Am., iii, p. 97; Cress. 

 Syii. Hym., p. 247. 



S 9 . Length, 2.2 to 3'""'. Black, shining, the head with some fine, 

 scattered punctures. Antenna' varying ft v.m a lioney-yellow to fuscous. 

 Legs piceous, tlie tibia; and tarsi often honey- yellow, especially the an 

 terior pair; feftiora often black. In the male the wings are clear hya- 

 line, in the female fuscohyaline; the parastigma h row nor black; the 

 branch from the basal nervure curves backwa'ds and Joins the median 

 nervure near the tip, forming a complete cell which readily distin- 

 guishes the species. 



Habitat. — United States. 



Specimens in National Museum and Coll. Ashmead. 



Found in various parts of the United States. A single specimen is 

 in the National Museum reared by Prof. F. M. Webster, September 17, 

 1884, from a geometrid larva in wheat stubble; while my collection 

 contains a specimen, reared June 5, 1885, from wheat stalks infested 

 with Isoftoma tritici. 



The species is, without doubt, parasitic on various microlepidoptera. 



Groniozus megacephalus, sp. iiov. 



$ . Length, 2.8'"'". Black, shining, with a line, microscopic punc- 

 tuation and a few larger punctures scattered over the surface. The 

 head is large and long, a little more than one and a half times as long 

 as wide. Mandibles large, black. Antenuji; 13-Jointed, inserted wide 

 apart, and not nmch longer than the head, moniliform, yellow; the 

 scapo" swollen, twice as long as wide. Metathorax smooth without 

 cfiriiKne. Wings hyaline, the parastigma and stigma piceous. The 

 other veins yellowish; the branch of the basal vein is reduced to a 

 nu're stump. 



Legs brownish piceous, the tips of tibia; and the tarsi yellow. 



Habitat. — Key West, Fla. 



Types in National Museum. 



Described from a single 9 taken by E. A. Schwarz. 



Goniozus foveolatus Ashm. 

 Ent. Am., iii, p. 76, 9 ; Cress. Syn. Hym., p. 247. 



9 . Length, 2.5 to 3""". Black, shining, but finely, delicately i)unc- 

 tate, the head with a few coarse, scattered punctures; transverse furrow 

 at base of scutellum terminates in small, oblique fovese. 



Antenna' 13-joiuted, honey-yellow, the scape short, thick, the follow- 

 ing joints all small, moniliform. Legs black or piceous ; anterior tibisB 

 and tarsi and the middle and posterior tarsi, honey-yellow. Wings 

 subhyaline; stigma and parastigma black, the other nervures lioney- 

 yellow ; the basiU nervure is broken by a stump of a vein which is less 



