MONOGRAPH OF Till': NORTH AMERICAN PROCTOTRYPID.E. 189 



yellow. Anteuuje 12-joiiited, tiliforin, black; first fimicle joiut (> times 

 as lon^t as thick; second slightly shorter; third still shorter; fourth and 

 following longer than third, but not (i[uite as long as the second. Post- 

 scutellar si»ine long, acute. Angles of metatliorax acute. Wings sub- 

 hyaline, the nervures ^ale brown. Abdomen broadly oval, black, shin- 

 ing, the first and second segments and the third, on disk, longitudi- 

 nally striated. 



Habitat. — Jacks«>Mville, Fla. 



Type in Coll. Ashmead. 



Describe<l from a single specimen. 



Prosacautha melauopus, h|i. nuv. 



9. Length, 1.4:""". Black, shining; face perfectly smooth; thorax 

 and scutelluni faintly microscopically punctate, but not sufficient to 

 destroy the smoothness or luster of the surface. Mandibles dull, 

 rufous. Antenna' 12-Jointed, short, black; scape long, pedicel two- 

 thirds the length of the first iuniclar joint; the first and second funic- 

 lar joints nearly e<pial, the second the smaller; third and fourth, mi- 

 nute, trausverse; club G-joiuted, as long as the pedicel and all the 

 funiclar joints together; the joints transverse, about twice as wide as 

 long. Wings fuscous. Legs black; tip of trochanters and base of 

 tarsi, piceous or brownish. Abdomen as long as the head and thorax 

 together, smooth, shining; the peti<de and first segment striated. 



Habitat. — Ottawa, Canada. 



Type in Coll. Ashmead. 



Described from a single si)ecimen received from Mr. W. Hague Har- 

 rington. 



Prosacautha pennsylvauica, 8]i. nov. 



9 . Length, 1"'"'. Black, shitiing, sparsely pubescent, the puu(;tua- 

 tiou of the thorax very fine and faint. Aiiteuna; 12-jointed, black, not 

 extending beyond the base of abdomen; first funiclar joint scarcely as 

 long as the pedicel, the second shorter, the third and fourth minute, 

 transverse. Wings hyaline, strongly iridescent, Avith a faint fuscous 

 tinge. Legs l)rown-black, trochanters, knees, tips of tibia' and base 

 of tarsi yellowish. Abdomen broadly oval, not as long as the head 

 and thorax together, smot)th, ]K)lished, with a fine pubescence; the 

 petiole longer than thick, striated; the second segment with some strijc 

 at base. 



Habitat. — rennsylvania. 



Type, 9 in Berlin Museum. 



Described from a single specimen labeled "Penna. Zinnnermaun." 



Prosacantha utahensis, s]). nov. 



9. Length, 1.5"'"'. llhu-k; thorax and scutelluni rugoso punctate, 

 opatpie; head almost smooth, shining, the face with delicate striiJB 



