242 AMERICAN HYMENOPTERA. 



APOIDEA. 



HALICTID^. 

 Sphec<»diuni pycnantlieiuiini Rob. 

 Bailey, Aug., 1890. 



PANURGID^. 

 Panurginus innuptiis Ckll. 

 (Snow.) 



Panurgiuiis bakeri Ckll. 



Manitou Park, Aug. (F. H. Snow, U. of K., lot 159). 



MELECTID^. 

 IWoiiiada (Holouoniada) vincta Say. 

 Manitou Park (F. H. Snow). 



ANTHOPHORID^. 

 Synlialonia creiiulaticornis Ckll. 



Manitou Park, Aug. (U. of K., lot 159, F. H. Snow). 



BOMBIDiE. 

 Bonibus oppositns Cress. 



Manitou Park (F. H. Snow) ; Estes Park, Aug., 1892 (F. H. 

 Snow). 



Psithyrus insularis Sm. 



Manitou Park (F. H. (Snow). 



ALASKA. 

 APOIDEA. 

 Bombus melanopygns Nyl. 

 (L. L. Dyche). 



WYOMING. 



ICHNEUMONID^. 

 Canipoplex wyoiuingensis n. sp. 



Colored very like C. scalarius Prov., but much larger. 



■J, . — ifead.— Anterior aspect dull, very closely punctulately sculptured, the 

 clypeus almost appearing granular, space between the eyes at base about equal to 

 the length of an eye, malar space about as high as the pedicellum is long; an- 

 tennae fifty-nine jointed and black, the scape and pedicellum together about as 

 long as the first joint of the flagellura ; head black, the mandibles yellow-black 

 at apex. 



