MONOGRAPH OF TEE NORTH AMERICAN PROCTOTRYPID.E. 205 



Hoplogryon rufipes, sji. uov. 



9 . Leugtli, O.SO'"'". Black, siibopaque, microscopically pniictulate, 

 the face sfcriolate. Mandiblt's pale. Aiiteniue lU-Joiuteil, black, the 

 .scape pale beneath; fir.st and second fiiniclar joints equal, 1^ times as 

 loiiji' as thick; third and fourth minute, transverse. Post-scutellar 

 spine minntc, triangnlar. Angles of metathorax acute. Wings Avant- 

 ing. Legs rufous, the tarsi yellowish. Abdomen broadly oval, shin- 

 ing, the first and second segments transverse, longitudinally striated; 

 the third and the venter microscopically punctate. 



Habitat. — District of Columbia.' 



Type in Coll. Ashmead. 



Described from a single specimen collected by Mr. E. A. Schwarz. 

 The color of the legs and the fine punctation of the third dorsal seg- 

 ment and the venter distinguish the species. 



Hoplogryon solitarius, sp. uov. 



$. Length, 1.5""". Black, subopaque, closely, minutely punctulate; 

 head wide, 3J times as wide as thick antero-po«teriorly, the cheeks 

 rounded, margined behind, the face smooth, the orbits ami around the 

 mouth striated. JMandibles rufous. Antenna' 12 jointed, filiform, nnich 

 longer than the body, black, the scape pale basally; tirst flagellar joint 

 about half the length of the scape; second, very slightly longer than 

 the* first; third to the penultimate, nearly of an equal length, but 

 slightly shorter than the flrst; last joint slightly longer, Scutellum 

 smoother than the thorax, shining. Post- sen tellar spine acute. Angles 

 of metathorax acutely toothed. Wings wanting. Legs, except coxte, 

 uniforndy rufous. Abdomen oblong-oval, polished, very little longer 

 than the head and thorax united, the first segment transverse, much 

 broader than long, the second a little longer than the first, both coarsely 

 striated. 



Habitat. — Ottawa, Canada. 



Type in Coll. Ashmead. 



Described from a single specimen received from Mr. W. H. Harring- 

 ton. 



On account of the very large size of this species, in comparison with 

 the described wingless females, it is scarcely probable that it can be 

 the opposite sex of any of them. 



GRYON Haliday. 



Ent. Mag., i, p. 271 (183.3); Forst. Hym. .Stud., ii, p. 101 (1856). 



(Type a. iniscUns Hal.) 



Head large, transver.se, the occijiut scarcely emarginated; ocelli 3, 

 triangularly arranged, close together on vertex; eyes ovate, villose. 



