190 r.ULLETIN 4."., UNITED STATES NATIONAL MUSEUM. 



toward tlu' orbits and on cheeks below the eyes. Miuidibles nitous. 

 Aiiteniia' lli jointed, blaek; the ]»edicel lialf the leujitli of tlie lirst 

 fuuiehir joint; pale at tip; se('on<l iunielar joint one-third shorter tlian 

 the tirst, third and fourth ininute, transverse; elub as long- as the 

 funicle, the joints transverse. AVinjiS abbreviated, not extending be- 

 yond the base of second abdominal segment. Legs black, articula- 

 tions of trochanters, knees, and the tarsi, rufous. Abdomen a little longer 

 than the head and thorax together, shining; the first and second seg- 

 ments coarsely striated, the following ;>egments shagreened, or witli a 

 scaly puiu'tuation; venter except the tirst segment, feebly microscopic-, 

 ally punctate. 



Habitat. — Park City, Utah. 



Type 9 iuColl. Ashmead. 



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

 Prosacantha californica, sj). nov. 



9. liength, l.S""". Black; thorax tinely rugoso-punctatc, opacjue; 

 the scutellum smooth, shining; head smooth, shining, the orbits and 

 lower i)art of the cheeks, striated. Mandibles piceous. Antenna; IL*- 

 jointed, black, the pedicel about half the length of the first funiclar 

 joint, the second funiclar joint very slightly shorter than the first, the 

 third and fourth, minute, rounded; clnb as long as the funicle and the 

 pedicel together, the joints transverse. Metapleura polished. Hind 

 angles of metathorax toothed. Wings subfuscous, fully developed, the 

 margins ciliated. Legs black, the articulations and the tarsi fuscims. 

 Abdomen oblong-oval, not longer than the head and thorax together, 

 polished, impunctured, the first segment and the second at base alone, 

 striated. 



Habita'J'. — iSanta (Jruz jMountaius, Cal. 

 .Tyi^e in Coll. Ashmead. 



Described from 1 si)ecimcn. 



Prosacantha laevifrons, sp. iiov. 



5 . Length, 1""". Black; thorax closely, striately ])unctate, opaque; 

 the scutellum feebly, minutely punctate, snbopaiiue; head shining, the 

 face polished, the cheeks with stria; below the eye, the occiput closely 

 punctate. Mandibles rufous. Antenna' IL* -jointed, short, black, the 

 tirst and second funiclar joints equal, only one third longer than the 

 pedicel, the third and fourth, minute, transverse, club longer thau the 

 funicle, the joints transverse. Postscutellar spine very minute. Legs 

 fuscous, the trochanters, knees and tarsi, pale brown. Wings sub- 

 fuscous, pubescent. Abdomen broadly oval, shining, the first and 

 second segments striated, the following mici()Scoi»ically i>nnctate. 



Hahuat. — Washington, J). C., ami Arlington, Va. 



Types in Coll. Ashmead. 



J)<vsc,ribe(l froni •> si»ecimeiis. 



