1924 ENTOMOLOGICAL SOCIETY 99 



Triepeolus helianthi Rob. Medicine Hat, July, August, (Sladen); Lethbridge, July, 



(Sladen). 

 Triepeolus cressoni Rob. Ottawa, July, August, (Sladen). 

 Triepeolus occidentalis Cress. Medicine Hat, August, (Sladen); Vernon, B.C., July, 



(Sladen). 

 Holcopasites illinoensis Rob. Medicine Hat, July, August, (Sladen); Lethbridge, Alta., 



July, (Sladen); Prince Albert, July, (Sladen). 



Euceridse 



Melissodes desponsa Sm. Ft. Coulonge, Que., August, (Beaulne); Quebec City, August, 



(Sladen); Ottawa, July, (Sladen); Toronto, July. 

 Melissodes illata L. & C. Kazubazua, Que., July, August, September, (Sladen); 



Fredericton, N.B., August, (Sladen); Hull, Que., August, (Beaulne); Aweme, August, 



(Criddle); Maryfield, Sask., August, (Criddle); Medicine Hat, July, (Sladen); Vernon, 



B.C., July, (Sladen). 

 Melissodes microsticta Ckll. Vernon, B.C., July, (Ruhmann); Royal Oak, August, 



(Downes). 

 Melissodes mysops Ckll. Medicine Hat, July, (Sladen); Vernon, B.C., July, August, 



(Ruhmann); Thompson River, August, (T. Wilson). 

 Tetralonia edwardsi Cress. Vernon, B.C., August, May, (Treherne); Fairview, B.C., 



May, (Buckell); Lillooet, B.C., May, (E. M. Anderson). 

 Tetralonia actuosa Cress. Vernon, B.C., May. 

 Tetralonia cordleyi Vier. Vaseaux Lake, B.C., June, (Buckell); Fairview, May, 



(Buckell); Penticton, B.C., July, (Buckell); Vernon, June, (Treherne); Lillooet, B.C., 



June, (Phair.) 

 Tetralonia fowleri Ckll. Vaseaux Lake, B.C., June, (Buckell) ; Fairview, May, (Buckell) ; 



Victoria, June, (Downes). 



Anthophoridae 



Anthophora johnsoni Ckll. Penticton, April, (Buckell); Okanagan Falls, May, (E. M. 



Anderson). 

 Anthophora sodalis Cress. Aweme, Man., July, (Criddle); Lethbridge, Alta., May, 



June, (Sladen); Penticton, June, (Buckell). 

 Anthophora stanfordiana Ckll. Golden, B.C., May, (Sladen) ; Penticton, June, (Buckell) ; 



Kaslo, B.C., July, (Cockle). 

 Anthophora washingtoni Ckll. Summerland, B.C., July, (Sladen); Penticton, August, 



September, (Buckell). 

 Anthophora ignava Cress. Vaseaux Lake, June, (Sladen); Penticton, April, May, 



(Buckell); Lillooet, May, (E. M. Anderson). 



Hylseidse 



(Prosopis) Hylceus mesillce Ckll. Medicine Hat, Alta., May, (Sladen); Fairview, May, 



(Buckell); Summerland, August, (Sladen). 

 Hylceus verticalis Cress. Toronto, July; Ottawa, June. 

 Hylceus sanicula Rob. Toronto, July. 



Hylceus nevadensis Ckll. Kaslo, B.C., June, (J. W. Cockle). 

 Hylceus cooki Metz. Kaslo, B.C., June, (Cockle). 

 Hylceus triientulus Ckll. Kaslo, June, (Cockle); Penticton, June, (Buckell). 



Colletidae 



Colletes compactus Cress. St. John, N.B., September, (Leavitt) ; Truro, N.S., September; 



Bridgetown, N.S., September. 

 Colletes (Bstivalis Patt. Aweme, Man., July, (Sladen). 

 Colletes willistoni Rob. Point Pelee, Ont., June, (N. K. Bigelow); Kazubazua, Que., 



June, (Sladen). 

 Colletes nudus Rob. Point Pelee, Ont., July, (N. K. Bigelow). 

 Colletes tegularis Swenk. Vernn, B.C., September, (Buckell). 

 Colletes angelicus Ckll. Penticton, B.C., September, (Buckell); Walhachin, September, 



(Buckell). 



Megachilidae 



Formicapis neomexicanum Ckll. (= F. clypeata Sla.) Aweme, Man., July, (Criddle); 



Waterhole, Alta., August, (E. H. Strickland). 

 Andronicus producta Cress. Hemmingford, Que., June, (Beaulne); Aylmer, Que., June, 



(Sladen); Toronto, June; Ottawa, May, June, July, (Sladen); Saskatoon, May, 



(Sladen); Lethbridge, June, (Sladen). 

 Monumetha argentifrons Cress. Ironsides, Que., June. (Sladen); Toronto, August; 



Teulon, Man., June; Ft. William, Ont., June, (Sladen) ; Banff, Alta., August, (Sanson) ; 



Penticton, June, (Buckell); Ft. Simpson, McKenzie River, June, (C. H. Crickmay) ; 



Nicola Lake, B.C., May, (Buckell); Shawinigan Lake, V. I., July, (Sladen). 

 Osmia odontogaster Ckll. Sidney, B.C., May, (Sladen); Victoria, B.C> May, (Downes). 

 Osmia georgica Cress. Toronto, June. 



