74 BULLETIN 45, UNITED STATES NATIONAL MUSEUM. 



Goniozus cellularis Say. 



Bethylus cellularis Say, Lee. Ed. Say, ii, j). 270; Ashm. Ent. Am., iii, p. 97; Cress. 

 8yu. Ilym., p. 247. 



$ 9 . Leiigtli, 2.2 to 3""". Black, shining, the head with some fine, 

 scattered pun<'tnres. Antenna^ varying from a lioney-yellow to fuscous. 

 Legs piceous, the tibife and tarsi often honey-yellow, especially the an- 

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

 line, in the female fusco-h valine; the parastigma brow nor black; the 

 branch from the basal nervnre curves backwards and joins the median 

 nervure near the tip, forming a compk^te 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 ,1 geometrid larva in Avlieat stubble; while my collection 

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

 with IsoHoma tritici. 



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



Goniozus megacephalus, sp. nov. 



9 . Length, 2.8""". Black, shining, with a fine, 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. Antenna^ 13-jointed, inserted wTde 

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

 scape swollen, twice as long as wide. Metathoi^ax smooth without 

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

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

 mere stump. 



Legs brownish piceous, the tips of tibiie and the tarsi yellow. 



Habitat. — Key West, Fla. 



Types in National Museum. 



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



Goniozus foveolatus Asliin. 

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



9 . Length, 2.5 to 3'"'". Black, shining, but finely, delicately punc- 

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

 at base of scutellum terminates in small, oblique fovea*. 



Antenna* 13-)ointcd, honey-yellow, the scape short, thick, the follow- 

 ing joints all sniall, moniliform. Legs black or piceous; anterior tibise 

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

 subhyaline; stigma and parastigma black, the other nervures lioiu'y- 

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



