MONOOKAPH OF TEE NORTH AMERICAN PROCTOTRYPID.E. 205 

 Hoplogryon ruilpes, sp. nov. 



9 . Leng^tli, 0.80^". Black, subopiuiue, microscopically pniictnlatc, 

 tJM' face striolatc. Mandibles pale. Aiitemia! ll? Jointed, black, the 

 scape pale beneath; lirst and second fiiniclar joints equal, li tiines as 

 lonfi as thick; third and fourth niin ate, transverse. Post scutellar 

 spine minute, trianj^ular. Anjjles of metathorax acute. \Vin.i!:s want- 

 inj;. Legs rufous, the tarsi yellowish. Abdomen broadly oval, shin 

 iu'^-, the first and second segments transverse, longitudinally striated; 

 the third and the venter microscopically puuctate. 



llAHiTAT.— District of Columbia. 



Type in Coll. Ashmead. 



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

 The color of the legs and the tine puuctation of the third dorsal seg- 

 ment and the venter distinguish the species. 



Hoplogryon solitarius, sp. uov. 



S. Length, 1.5"'". Black, subopaciue, closely, minutely punctulate; 

 head wide, 3^ times as wide as thick antero-posteriorly, the cheeks 

 rounded, margined behind, tiie face smooth, the orbits and around the 

 mouth striated. Mandibles rufous. Antenna- 12 jointed, filiform, nuich 

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

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

 the«tlrst; third to the penultimate, nearly of an equal length, but 

 slightly shorter than the first; last joint slightly longer. Scutellum 

 smoother than the thorax, sliining. Post-scutellar spine acute. Angles 

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

 uniformly rufous. Abdomen oblong-oval, i)olished, 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 (1833); Fiirst. Hym. Stud., ii, p. 101 (1856). 

 (Type (I. misclIvH Hal.) 



Head large, transverse, the occiput scarcely enmrginated; ocelli 3, 

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



