192 BULLETIN 15, UNITED STATES NATIONAL MUSEUM. ' 



Piosacautha puuctiventris, h|i. iio\ . 



9. Length, 2.5"". HIack; thorax and scutelhun lonjjitndin.illy 

 rnguh)8(', subopaque; liead very broad, shining; faco smooth, with scat- 

 tered punctures; lower ^artot'face and cheeks striated. Antennje 12- 

 joiuted, bhick, the scape basally rufous; first Hagelhir joint twice the 

 leugth of the peilicel the secoid one third shorter than the first but a 

 httle stout4'r, the third and fourtli transverse-quadrate; club shorter 

 than the funicle. Mesopleura rugose. Postscutellar spine triangular, 

 rugose. Lower part of nietapleura striated. Angles of metathorax 

 produced into triangular teeth. Wings subfuscous, the marginal vein 

 less than five times as long as the stigmal. Legs pale rufous, the coxse 

 black. Abdomen broadly oval, shining, the first segment coarsely 

 striated, the disks of the second and third finely striated, the venter 

 punctate. 



Habitat. — Fortress Monroe, Va., and District of Columbia. 



Types in Coll. Ashmeatl. 



Described from 5 specimens collected by Mr. E. A. Schwarz. 

 Prosacantha Schwarzii, sp. uov. 



9. Length, 1.5""". Black; thorax and scutellum finely rugoso-punc- 

 tate, opaque; head shining, the frons feebly shagreened, the face and 

 cheeks strongly striated. Mandibles rufous. AutennjB 12-jointed, 

 blsick, the scape paler at base; pedicel pale at apex, a little shorter than 

 the first funiclar joint; the first and second funiclar joints about of an 

 equal leugth, the second the stouter; thethird and fourth minute, trans- 

 verse; club as long as the pedicel and funicle together, Mesopleura 

 rugose. Postscutellar spine triangular. Angles of metathorax acute. 

 Wings subhyaline, the marginal vein 4 times the length of the stigmal. 

 Legs brownish-yellow, the coxa? black. Abdomen broadly oval, the first 

 segment and the second, for two-thirds its length, coarsely striated; 

 rest of the abdomen smooth, polished. 



Habitat. — Washington, D. C. 



Type 9 in Coll. Ashmead. 



Described from a single specimen taken by E. A. iSchwarz, and in 

 honor of whom this species is dedicated. 



Prosacantha pusilla, sp. uov. 



9 . Length, l"""'. Black, polished, shining, the thorax feebly, sparsely 

 punctate; frons jwdished, impunctate, lower ])art of face and cheeks 

 Striated. Mandibles and legs brownish-yellow, the coxse black. An 

 tenniB black, the scape pale at extreme base; pedicel and second funi- 

 clar joint of an equal length, the first a little longer; third and fourth 

 minute, transverse. Post-scutellar spine acute. Wings subhyaline, 

 the marginal vein six times the length of the stigmal. Alxlomen oWong- 

 oval, highly i>olished, impunctured, the first segment and the second 



