pepsinae: tribe pepsini 135 



subpolished, with punctures separated by an average of about 1.0 

 their diameter. 



Black. Flagellum beneath, fore tarsus, front of fore tibia, and front 

 of fore femur apically tinged with fulvous. 



Female : Metapleuron subpolished, with a few or very few scattered 

 small punctures; propodeum mat to polished, with numerous punc- 

 tures medially and few or very few laterally. 



Black. Mandible except basally, rarely the clypeus and face next 

 to the eyes, more or less of the flagellum, more or less of the front legs 

 (especially the tarsus), and middle and hind tarsi except basally, more 

 or less distinctly tinged with fulvous. 



Type: 9, La Trappe, Quebec, July 13, 1948, J. Ouellett (Wash- 

 ington, USNM 61694). 



Paratypes: 9, Deerfield Township, Lapeer County, Mich., 

 July 4, 1937, G. Steyskal (Ann Arbor), cf". Coram, Long Island, 

 N. Y., July 18, 1937, K. V. Ki'ombein (Krombein). 9, Huntington, 

 Long Island, N. Y., Sept. 12, 1926, F. M. Schott (Townes). 9, 

 Orient, Long Island, N. Y., Aug. 14, 1929, Roy Latham (Washington), 

 9, Springs, N, Y,, July 16, 1918 (Cambridge), cf, Simcoe, Ontario, 

 June 22, 1939, G. E. Shewell (Ottawa). 9, Arendtsville, Pa., June 28, 

 1927, S. W. Frost (Ithaca). 9, Falls Church, Va,, June 10, N, Banks 

 (Cambridge). 9, Great Falls, Va,; July 15, N. Banks (Cambridge). 

 9, Rib Mountain State Park, Wis., Aug. 27, 1937, L. R. Penner 

 (St. Paul). 9, no data (Cambridge). 



This subspecies occurs mostly in the Alleghenian fauna. 



3b. Dipogon (Dipogon) brevis brevis (Cresson) 



Plate 1, figure 10 



Pompilus (Agenia) brevis Cresson, 1867, Trans. Amer. Ent. Soc, vol. 1, p. 123, 

 cf , Type: cf , Georgia (Philadelphia). 



Male: Metapleuron mat, with weak fine punctures separated by 

 about 1.2 their diameter; propodeum mat, with punctures that are 

 separated by an average of about 0.4 their diameter. 



Female: Metapleuron mat, or next to the propodeum often sub- 

 polished, with numerous small scattered punctures; propodeum quite 

 mat, with close, usually indistinct punctures aU over or the punctures 

 somewhat sparser next to the metapleuron. 



Coloration of both sexes black, but with -a grayish cast due to a dense 

 appressed grayish pubescence. Mandible except basally, often the 

 clypeus and front orbit, more or less of the flagellum, often the under 

 side of coxae, more or less of front legs (especially the tarsus) and 

 middle and hind tarsus except basally, more or less tinged with fulvous. 



