MONOOHAl'H OK THE NOUTII AMKIilCAN PHoCTOTin TID.E. 197 



broad at baso, wliilc the antenna' are elavate, black, the scape yellow, 

 the first and second fiiuiclar Joints equal, tvviee as luiij; as thick, the 

 third and fourth, small, transverse. 



Haihtat, — District of (^ohunbia and Arlinf;tuii, Va. 



Types in Coll. AshnieiMl. 



Prosacaiitha macrocera Aslitn. 

 Eiit. Am. Ill, p 117, (? ; ('rnns. Syn. Hyin., p. 313. 



S. Lenjjtli, 1.8"""- Black, shininj;, ftiintly punctate; head wide, 

 the frons and face striated ; mandibles large, rufous; legs rufous. An- 

 tennie llijoint<'d, very lony, «'ylindrical, brown-black, the scape rufous; 

 first and thud liiniclar joints about ecpial in length, a little shorter than 

 the second, the third angulated outwardly a little before the middle; 

 fourth Joint and the following, longer. Scutellum polished, sparsely 

 ])unctate at base. Post-scutellar s[>ine large, acute, erect, very slightly 

 curved. Angles of nietathorax acute. Wings subfuscous, fringed. 

 Abdomen oblong-oval, shining, but minutely sparsely punctate, the 

 lirst and second segments and the third, on disk, longitudinally stri- 

 ated or aciculated ; the first segment brownish or dull rufous, rest of 

 the segments black. 



Habitat. — Jacksonville, Fla. 



Type in Coll. Ashuiead. 



Prosacantha zanthognatha, sp. nov. 



S. Length, 1.5""". Black, shining; head very wide, polished, the 

 frons smooth. The inner orbits and lower i)artof face striated; man- 

 dibles large, yellow, the teeth in the left mandible about equal, in the 

 right with the outer the longer; thora.x and scutellum closely punctu- 

 late or minutely rugulose, shining, the parapsidal furrows slightly in- 

 dicated posteriorly ; legs brownish-yellow. Anteniue 12-jointed, brown- 

 black, the scape yellowish; lirst flagellar Joint a little shorter than the 

 second; fonith and following longer than the second. Post-scutellar 

 spine triangular, acute, oblique. Angles of metathorax subacute. 

 Wings subfuscous, not fringed, the nervures brown. Abdomen oval, 

 black, shining, the first and second segments »!oarsely striated, the 

 third and following punctate. 



Habitat.— Jacksonville, Fla. ; 



Type in Coll. Ashmead. 



Closely allied to P. macrocera but slightly smaller, the thorax more 

 closely punctate, the aiitennie shorter, the third flagellar joint not an- 

 gulated, while the wing, are not fringed. 



Prosacantha striativentris, sp. nov. 



$. Length, LS'""*. Black; the head and abdomen shining; the 

 thorax opa.que, minutely, closely punctnlate; abdomen wholly longi- 



