no. 1837. NEW SPECIES OF WASPS— ROHWER. 557 



Female. — Length 16 mm. Clypeus armed with five sharp teeth; 

 space between the eyes at the vertex distinctly less than at the 

 clypeus; ocelli in an acute triangle; front below the ocelli with 

 irregular, confluent punctures; the rest of the head with widely 

 separated punctures; third antennal joint not much shorter than the 

 fourth and fifth; pronotum sculptured like the head, with a distinct 

 median sulcus; mesonotum with larger and closer punctures than the 

 scutellum or pronotum; mesopleurse and pectus punctured as meso- 

 notum; propodeum striato-punctate, rounded, not abruptly trun- 

 cate; petiole a little more than twice the length of the posterior 

 coxae; second cubital cell narrowed above, receiving the second 

 recurrent vein at about the apical fourth ; first recurrent vein received 

 by the first cubital cell free from the transverse cubitus. Black: 

 most of mandibles, and legs below about the middle of the femora 

 rufous; pubescence sparse, gray. Wings clear hyaline, a cloud at 

 upper apex, and one in the second cubital cell fuscous; a narrow 

 fuscous line on basal side of basal vein; venation dark brown. 



Tryon, North Carolina. One female collected by Mr. W. F. Fiske, 

 June 20. 



Type.— Cat. No. 13736, U.S.N.M. 



Genus CHLORION Latreille. 



CHLORION (PALMODES) RUFIVENTRIS, var. OPUNTLE, new variety. 



Differs from the typical form in the nonimpressed scutellum, and 

 in the strong aciculation of the vertex, pronotum, and the anterior 

 part of the mesonotum. 



Victoria, Texas. One female collected "On Opuntia," April 17, 

 1908, by J. D. Mitchell. 



Type.— Oat. No. 13737, U.S.N.M. 



FAMILY PSENIME. 



Genus STIGMUS Panzer. 



STIGMUS CONESTOGORUM, new species. 



Closely related to americanus Packard, but the pygidium is about 

 one and a half times as long as wide (in americanus it is hardly as 

 long as wide) ; and the legs and venation are darker. 



Female. — Clypeus polished, the anterior margin slightly emarginate 

 medially ; front very finely granular, rest of head polished, impunctate; 

 impressed frontal line wanting; head nearly quadrate, as in ameri- 

 canus Packard; eyes not strongly converging to the clypeus; third 

 anteimal joint subequal with second, distinctly longer than fourth, 

 apical joint robust neither pointed nor spatulate, not as long as two 

 preceding; pronotum sharply carinate, dentate laterally; mesonotum 

 shining impunctate except anteriorly where it is finely scratched; 

 scutellum not impressed; sutures on mesopleuras strongly foveolate; 



