MONOGKAPH OF THE NORTH AMERICAN PROCTOTRYPID^. 275 

 Leptacis piincticeps, sp. nov. 



S . Leugth, 0.8""". Black, polished; head ttiiely punctate; scape, 

 pedicel, and legs yellow, the i)Osterior femora and tibise fuscous or 

 brown. Head transverse, the frons convex. Antennae lO-jointed, the 

 scape clavate; flagellum brown-black, pilose, the first joint minute, 

 the second about as long as the iiedicel but stouter, the third small, 

 the following joints oval, loosely joined. Thorax without furrows, 

 polished; the scutellum terminating in an awl shaped sjune; the 

 metapleura covered with a silvery pubescence. Wings hyaline, the 

 tegula; piceous. Abdomen oval, not quite as long as the thorax; the 

 petiole short, covered with a glittering white pubescence. 



Habitat.— Jacksonville, Fla. 



Types in Coll. Ashmead. 



Leptacis flavicornis, sp. nov. 



S 2. Length, 0.8 to 0.9""". Polished black; an teuufe, except the 

 club in the female, and legs, bright yellow. Thorax smooth, shining, 

 impunctured, without furrows; scutellum foveated at base and ending 

 in a jninute tubercle; metapleura and the A'^ery short petiole with a 

 silvery w^hite pubescence. The antennae in the 9 end in a 4:-jointed 

 club, the joints of which, except the last, are not longer than wide; 

 the funicle is slender, the second joint a little longer than the first, the 

 third and fourth being small; in 9 the antennae are entirely ypllow; 

 the club 5-jointed, the joints, except the last, being only a little longer 

 than wide; the last being conical, twice as long as the preceding; the 

 first funiclar joint is small, closely joined to the second, the latter longer 

 than the pedicel and slightly thickened, the third small, contracted. 

 Wings hyaline. Abdomen oval, shorter than the thorax, pubescent at 

 base. 



Habitat. — Washington, 1). C, and Jacksonville, Fla. 



Types in Coll. Ashmead. 



Leptacis pubescens, sp. nov. 



S . Length, 1.5""". Black, shining, covered with a fine pubescence; 

 scape and legs, except the anterior tibiie and tarsi, which are honey-yel- 

 low, dark brown or piceous; fiagellum black, the club joints pedicellate, 

 pilose, the first funiclar joint a little shorter than the pedicel, the sec- 

 ond long, fully twice as long as the pedicel, the third small, the first 

 4 joints of club twice as long as thick, the last three times as long as 

 thick. Thorax without furrows; the scutellum ends in a short tubercle 

 and is foveate at base, the metathorax densely pubescent. Wings 

 hyaline, the tegulte black. Abdomen oblong-oval, the petiole wider 

 than long, elevated above. 



Habitat.— District of Columbia. 



Type in Coil. Ashmead. 



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



