No.1739. SOME CANADIAN TEXTHREDINOIDEA -ROHWER. 199 



hired: stigma rounded on the lower margin, broader a little basad of 

 middle; upper discal cell a very little longer than lower; sheath 

 straight above, rounded at apex beneath; saw hyaline, with poorly 

 defined teeth and transverse ridges. Black; mandibles (apices 

 piceous), labrum, apex of eh pens, angles of pronotum broadly, 

 tegulse, legs below middle of coxae, and venter of abdomen whitish or 

 reddish-yellow. Wings hyaline; venation brown. 



Male. — Very like the female, but the clypeus is more deeply 

 emarginate. The hypopygidium is long and narrowed at the apex, 

 which is rounded. 



Type-locality. — St. John, New Brunswick. One female collected 

 on July 14 by Mr. A. G. Leavitt. The male was collected by Mr. 

 Leavitt. July 22, at Nerepis, New Brunswick. 



Type.— Cut. No. 12920, U.S.N.M. 



PONTANIA LEAVITTI, new species. 



Belongs to Group I of Marlatt " and seems to be nearest to P. 

 pallicomis (Norton), but differs in the structure of the sheath, 

 clypeus, and dark orbits. 



Female. — Length, 4.5 mm. Clypeus deeply angularly emarginate, 

 lobes sharply triangular; supraclypeal area strongly convex; middle 

 fovea deej), rather large, circular: ocellar basin well defined, shining, 

 hardly punctured; interocellar furrow well defined; head rather 

 coarsely granular; third and fourth antennal joints subequal; an- 

 terior lobe of mesonotum rounded posteriorly, mesonotum dullish; 

 scutellar appendage shining, highly polished; stigma gently rounded 

 on lower margin; sheath broad at base, tapering above and below to 

 an acute awl-like tip, emarginate beneath; saw with small teeth 

 above and below. Black; clypeus, labrum, mandibles (apices 

 piceous) supraclypeal area, angles of pronotum, tegulse, coxa?, tro- 

 chanters and anterior legs pallid; posterior orbits, posterior legs, and 

 venter reddish-yellow. Wings hyaline, iridescent; venation dark 

 brown, basal half of stigma pallid. 



Typerlocality. — Nerepis, New Brunswick. One female collected 

 July 11 by A. G. Leavitt. 



Type.— Cat. No. 12921, U.S.N.M. 



Named in honor of Mr. A. Gordon Leavitt, who collected the 

 material referred to in this paper. 



Genus PRISTIPHORA Latrielle. 



PRISTIPHORA IDIOTIFORMIS, new species. 



Female. Length, 5 mm. Very like idiota Norton, as determined 

 by Marlatt, but differs as follows: Stigma and venation dark brown; 

 abdominal segments 2 to 7 reddish-yellow: scutellar appendage shm- 



oRev. Nematinae of North America, Tech. Scries No. 3, I . S Dept. Agr., L89G. 



