192 BULLETIN 45, UNITED STATES NATIONAL MUSEUM. 



Prosacantha punctiventris, sp. iiov. 



9 . -Lengtli, 2.5""". IJlack; thorax ami scutelluiu l(ni<;itndinally 

 rugulose, siibopaqiie; head very broad, shining; face smooth, with scat- 

 tered punctures; lower ijartof face and cheeks striated. Antenme 12- 

 jointed, bhick, the scape basally rufous; first fiagelhir joint twice the 

 kMigth of tlie pedi(5el the secoiul one third shorter than the first but a 

 little stouter, the third and fourth transverse-quadrate; club slunter 

 than the funicle. Mesopleura rugose. Postscutellar spine triangular, 

 rugose. Lower part of metapleura striated. Angles of metathorax 

 l)roduced into triangular teeth. Wings subfuscous, the marginal vein 

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

 black. Abdomeu 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. Ashmead. 



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



Prosacantha Schwarzii, sp. uov. 



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

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

 cheeks strongly striated. Mandibles rufous. Autennie 12-joiuted, 

 black, 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 length, the second the stouter; the third and fourth minute, trans- 

 verse; club as long as the pedicel and funicle togethei". iMesopleura 

 rugose, rost-scutellar spine triangular. Angles of metathorax acute. 

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

 Legsbrownish-yellow, the coxa> black. Abdonu'ii 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 s])ecimen taken by E. A. Schwarz, and in 

 honor of whom this species is dedicated. 



Prosacantha pusilla, sp. iiov. 



9 . Length,!""". Black, polished, shining, the thorax feebly, sjjarsely 

 ])unctate; frous polished, inipunctate, lower i>art of face and cheeks 

 striated. JMandibles and legs brownish-yellow, the aox-.v. black. An 

 tenn;e 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. l*ost-scutellar spine acute. Wings subhyaline, 

 the marginal vein six times the length of the stigmal. Abdomen oblong- 

 oval, highly polished, impuuctured, the tirst segment and the second 



