MONOGKAI'II OF THE NORTH AMERICAN 1'ROCTOTHYriU.E. 193 



for two-thirds its leu^tli, coarsely striated, the third with a row of very 

 short striir at extreme base. 



Habitat. — Jaeksonville, Fhi. 



Type in Coll. Ashinoad. 



Described from a single specimen. 



Prosacantha gracilicorLis, sp. iiov. 



9. Length, l.S""'. Black; head and scutellum smooth, polished; 

 thorax fiMcly, closely punctate, opaque; legs pale brownish-yellow, the 

 coxjB black basally. Autennse 12-jointed, brown-black, the scape pale 

 at base, long and slender, about as long as the body; the scape extends 

 slightly beyond the ocelli, slender, a little thickened at the middle; 

 pedicel cyathiform; tirst and second fnniclar joints long, equal, about 

 tivet'mesaslongas thick, the third half the length of second; the fourth 

 still shorter, a little longer than thick; club G-jointed, very slender, and 

 about as long as the the first and second funiclar joints together, the 

 joints only slightly wider than long. Wings hyaline, pubescent, the 

 venation brown. Abdomen a little longer than the head and thorax 

 together, the petiole longer than thick, finely pubescent and coarsely 

 striated, the second segment coarsely striate at base only, the third 

 with some fine longitudinal aciculations basally. 



Habitat. — Carolina. 



Type in Berlin Museum. 



Described from a single specimen, labeled simply "Carolina, Zimmer- 



mann." 



Prosacantha marylaudica, sp. iiov. 



(5 9. Length, 2""". Black; thorax and scutellum rugoso-punctate; 

 head smooth with some sparse punctures and some broad but not deep 

 strife on lower part of the face. Mandibles pale rufous. Antennae 

 black, the scape basally and the pedicel at apex yellowish; the first 

 funiclar joint is twice the length of the pedicel and one-third longer 

 than the second; third and fourth joints small, transverse. Legs, 

 including coxte, brownish-yellow. Post-scutellar spine large, trian- 

 gular, nearly horizontal and projecting over the base of the scutellum. 

 "Wings subhyaline, the marginal vein at least six times as long as the 

 stigmal. Abdomen oblong-oval, longitudinally striated, the fourth 

 and following segments and the venter, punctate. 



In the male the post scutellar spine is not so decumbent, and does 

 not project over the base of the abdomen ; the third abdominal segment 

 is smoother and shows only a few longitudinal strise on the disk; while 

 the antennfe are long, filiform, the first flagellar joint the longest, about 

 five times as long as thick, the following a little shorter. 



Habitat. — Oakland, Md. 



Types in Coll. Ashmead. 



Described from yi-ecimens received from Mr. E. A. Soiiwarz. 

 21899— No. 45 13 



