30 PROCEEDINGS OF THE NATIONAL. MUSEUM. vol.64. 



vertex and genae with coarse, close, punctures giving them a rugose 

 appearance; longitudinal carina of genae evident but not sharp: 

 eyes slightly ovate, distance between the hind margins and the 

 postero-lateral angles equal to the longitudinal diameter of the 

 eyes; relative widths of head and thorax 1-1. 



Thorax ferruginous, very slightly wider than long; dorsum 

 clothed with sparse, short, recumbent, golden pubescence and scat- 

 tered, long, erect, hairs; the posterior face of propodeum with very 

 long, sparse, erect, pale hairs : dorsum punctured like the front and 

 vertex with close, coarse, punctures; upper one-fifth of posterior 

 face of propodeum deeply and broadly reticulate, the remainder 

 with scattered, deep punctures; propleura with large, deep punc- 

 tures, the cephalic margin with a j^rominent, sharp carina extending 

 from the ventral edge to the humeral tubercles; anterior half of 

 mesepisternum-mesepimeron micro-punctate, the posterior half with 

 coarse, confluent punctures; metapleurai^olished; sides of propodeum 

 polished, with large confluent punctures near the posterior margin. 



Abdomen ferruginous; first segment completely sessile with the 

 second; first tergite with long, sparse, erect hairs, confluently punc- 

 tate at the apex, and a thin band of silvery-golden pubescence at the 

 apex; second tergite Avith the sides and apex silvery pubescent, a 

 narrow transverse spot of blackish pubescence at the extreme apex 

 medially, the remainder of the tergite with short, sparse, golden 

 pubescence ; sides and apex of second tergite with distinct, separated 

 punctures, the basal two-thirds of the disc with close, coarse, con- 

 fluent punctures; tergites 3-5 closely punctate, and silvery pubes 

 cent thruout; tergite 6 with golden pubescence at the base and 

 sides; pygidial area distinct, longitudinally rugose; second stemite 

 with sparse, distinct, irregularly distributed punctures; sternites 

 2-6 with a thin band of silvery pubescence at the apex. 



Legs very dark ferruginous, clothed Avith sparse, silvery pubes- 

 cence; calcaria dark (in some of the paratypes, pale). 



Holotype.—FQm-xlQ, July 5, 1916, Mitchell, Nebraska (C. E. 

 Mickel), in entomological collection of University of Nebraska. 



Paratypes. — Nebraska: Female, June 16, 1916, Mitchell (C. E. 

 Mickel), entomological collection of University of Nebraska; female, 

 July 5, 1916, Mitchell (C. E. Mickel), author's collection; female^ 

 August 1, 1916, Mitchell (C. E. Mickel), entomological collection of 

 University of Nebraska; female, August 5, 1917, Mitchell (E. J. 

 Yates), collection U. S. National Museum; female, July 12, 1912. 

 Mitchell (L. M. Gates), entomological collection of University of 

 Nebraska ; 2 females, June, Halsey, entomological collection of Uni- 

 versity of Nebraska ; female, June, Halsey, author's collection : 

 female, June 15, 1912, Halsey (J. T. Zimmer), Cornell University 

 collection; female, August 24, 1911, Halsey (J. T. Zimmer), en- 



