Vol. XXVlii] ENTOMOLOGICAL NEWS. 421 



Chlorion (Isodontia) elegang (F. Sm.). Williston; one, August 8, 



at clav bank. 

 Psammophila violaceipennis (Lep.)- Fargo, Monango; July 2 to 



Sept. 15; on Aster mnltiflorus, Amorpha canescens, Lactuca pu- 



chella and Solidago serotina. 

 Psammophila luctuosa (F. Sm.). Dickinson (C. H. Waldron) ; one 



female, May 25, on Mains mains. 

 Several other specimens have not been determined definitely. 



Family STIZIDAE. 



Stizus unicinctus Say. Williston; one male, August 15, on 

 Kuhnistera oligophylla. 



Family NYSSONIDAE. 



Astatus nebeculus Cress. Williston; one female, August 8, at clay 



bank. 

 Nysscn lateralis Pack. Bismarck; one male, July 8, on Shim cicu- 



tacfolium. 

 Hoplisus albosignatus (Fox). Fargo (C. H. Waldron); one female, 



June 15, on Zizia anrea. 

 Hoplisus atrifrons (Fox). Fargo; four males, June 16, on Zisia 



aurca. 

 Hoplisus nebulosus (Pack.), Valley City; one female, August 13, 



on Hclianthns maximiliani. 

 Pseudoplisus phaleratus (Say). Fargo; two males, July 2'.) and 



Aug. 21, on Solidago serotina. 



Family PHILANTHIDAE. 

 Sub-family Philanthinae. 



Philanthus solvivagus Cress. Sheldon, Medora, Mott (J. R. Camp- 

 bell); Aug. 12 and 30, on Solidago canadcnsis and S. rigida. 



Philanthus albipilosus Cress. Williston, Sheldon; many specimens; 

 Aug. 8 and 12; on Heliantlins maximiliani, H. pctiolaris, Kuhnis- 

 tera villosa and Solidago serotina. 



Philanthus lepidus Cress. Fargo, Bismarck, Valley City; July 8 

 to Aug. 10, on Aster salicifnlius, Lactnca pulchclla, Mclilotus alba. 

 Physostei/ia parri flora. Sinm cicntacfolinin, Solidago serotina and 

 Syniphoricarpos occidcntalis. 



Philanthus pacificus Cress. Sheldon; August 12; two on Knhnistera 

 rillosa. 



Philanthus flavifrons Cress. \Villiston. Minot: Aueust 1."> and 22; 

 several on Grindclia sijnarrosa and Knhnistera oligophylla. 



Philanthus vertilabris Dahlb. Williston; one, August 15, on 

 Kuhnistera oligophylla. 



Ococletfs hasilaris (Cress.). Medora; several. August 30. on 

 Solidago rigida. 



Ococletes sanbornii (Cress.). U'h trninanl Dunn). Williston; one, 

 Aug. 15, on Kuhmstcra nliii/>pli\llti. 



Aphilanthops frigidus Sm. Sheldon; August 12, one specimen. 



Aphilanthops subfrigidus Cress. Bismarck; one, July s, on Sinm 

 cicutaefoj,ium. 



Sub-family Cercerinae. 



Cerceris chrysippe Banks. Fargo; four, August 2 and 10, on 

 Solidago serotina. 



