272 BULLETIN 45, UNITED STATES NATIONAL MUSEUM. 



Leptacis rugiceps, sp. uov. 

 (PL XII, Fig. 1, $.) 

 $ 9 . Length, 1 to 1.2""". Black; antenna?, except club, front legs, 

 and base of middle tibia- and all tarsi, yellow ; rest of the legs fuscous or 

 black. Head transverse, opaque, the frons and face rugose, the lateral 

 jQcelli close to the eye. Anteun;e 10-jointed, the club 4-jointed, black, 

 the Joints, except the last, which is conical and about twice as long as 

 the preceding, are scarcely longer than thick. Thorax subopaque, 

 minutely punctate, with 2 distinct furrows, and a distinct grooved line 

 on the shoulders. Scutellum i^ubescent, with 2 large fove;ie at base, 

 a slight median carina, and terminating in a long awl-shaped spine or 

 thorn. ]\Ietathorax very short, with a median carina and covered with 

 a silvery jDubescence. Wings hyaline. Abdomen oval, shorter than 

 thorax, polished, the petiole wider than long, rugose, densely pubescent. 



In the $ the scape and funicle are brownish yellow, the'4-joiuted club 

 brown-black; the pedicel is very long and slender, almost as long as 

 all the funiclar joints united, last two funiclar joints short, not longer 

 than thick; club joints, except the last, quadrate. 



Habitat. — Jacksonville, Fla., and Arlington, Va. 



Types in Coll. Ashraead. 



Described from several specimens. 



Leptacis punctatus, sp. nov. 

 i 9 . Length, O.S to 1""". Black, subopaque, closely, minutely 

 X)unctate, the thorax smoother; iiarapsidal furrows delicate but com- 

 plete; no grooved line on the shoulders; antennte, except club, and 

 legs, yellow ; middle and posterior legs more or less fuscous, or brown ; 

 club 4-iointed, brown-black, the joints, except the last, wider than long, 

 the last conic, li times as long as the penultimate; funicle slender. 

 Scutellum with two large foveas at base, pubescent, ending in a slightly 

 curved, awl-shaped spine. Metathorax and petiole densely pubescent. 

 Abdomen oval, polished, shorter than the thorax. 



Habitat. — Florida, District of Columbia, au'd Virginia. 



Types in Coll. Ashmead. 



Common. Allied to L. rugiceps, but smaller, more evenly punctate, 

 and the head not so rugose. 



Leptacis floridanus, sp. iiov. 

 $ 9 . Length, 1.1'"'". Black, subopaque, faintly, microscopically 

 punctulate, the thorax almost smooth, with two distinct furrows; an- 

 tennai wholly brown-black, the club joints twice as long as thick, loosely 

 joined. Scutellum foveated at base, the awl-shaped spine rather short. 

 Metathorax with a- silvery pubescence. Wings hyaline. Legs brown 

 or fuscous, the trochanters, base of tibiae, and tarsi yellowish. Abdo- 

 men ovate, not quite as long as the thorax, the petiole very short, 

 transverse, densely covered with a silvery white pubescence. 



Habitat. — Jacksonville, Fla. 



Types in Coll. Ashmead. 



