1924 ENTOMOLOGICAL SOCIETY 97 



Andrena prunorum Ckll. Glenboro, June, (S. Criddle); Medicine Hat, May, July, 



Sladen); Lethbridge, July, (Sladen). 

 Andrena kincaidi Ckll. Penticton, B.C., April, (Buckell). 

 Andrena hilaris Sm. Trenton, Ont., May, (Evans). 



Andrena commoda Sm. Kazubazua, Que., July, (Sladen); Ottawa, June, (Sladen). 

 Andrena cressoni Rob. Fort Coulonge, Que., June, (Beaulne); Trenton, Ont., May, 



(Evans); Agassiz, May, (Sladen). 

 Andrena trumani Vier. & Ckll. var. Agassiz, B.C., May, (Sladen). 

 Andrena lupinomm Ckll. Calgary, July, (Sladen). 

 Andrena pruni Rob. Ironsides, Que., April, 1915, (Sladen); He de Montreal, May, 



1906, (Beaulieu). 

 Andrena erythrogaster Ashm. Toronto, April, June; Grimsby, Ont., June, (Brimley); 



Fort McMurray, May, (F. Harper); Aweme, May, (White); Stony Mountain, Man., 



June, (Wallis). 

 Andrena piperi Vier. Okanagan Falls, B.C., June, (Buckell). 

 Andrena subtilis Sm. Fairview, B.C., May, (Buckell); Cranbrook, B.C., May, (Garrett); 



Vernon, B.C., May, (Venables). 

 Andrena novceanglia Vier. Co. Hastings, Ont., July, (Evans); Ironsides, Que., May, 



(L. M. Stohr). 

 Andrena peckhami Ckll. Toronto, June; Rosthern, Sask., July, (Sladen); Lethbridge, 



Alta., June, (Sladen). 

 Andrena atala Vier. Invermere, B.C., June, (Sladen). 

 Andrena geranii Rob. Toronto, June. 

 Andrena auricoma Sm. Kazubazua, Que., August, (Sladen); Medicine Hat, August, 



(Sladen); Victoria, B.C., April, May, (Treherne). 

 Andrena runcinatce Ckll. Boucker, Sask., Medicine Hat, July, (Sladen); Lethbridge, 



July, August, (Sladen). 

 Andrena Candida Sm. Royal Oak, B.C., April, (Treherne). 

 Andrena scurra Vier. Lethbridge, May, June, (H. L. Seamans); Invermere, May, 



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

 Andrena salictaria Rob. Ottawa, April, May, (Sladen); Aweme, Man., April, May, 



(Criddle); Cranbrook, B.C., May, (Garrett). 

 Andrena nigrocarulea Ckll. Vernon, B.C., May, (Ruhmann); Lillooet, June, (Ander- 

 son); Royal Oak, April, (Treherne). 

 Andrena neurona Vier. Duncan, B.C., April, (W. B. Anderson); Penticton, B.C., 



May, (E. R. Buckell). 

 Andrena longihirtiscopa Vier. Royal Oak, B.C., April, May, (Treherne); Agassiz, 



May, (Sladen); Victoria, April, (Treherne). 

 Andrena colletina Ckll. Penticton, B.C., September, (Buckell); Cranbrook, B.C., 



September, (Garrett). 

 Andrena lata Vier. Ottawa, Ont., June, (Sladen); Aylmer, Que., July, on Ceanothus 



americanus, (R. Oxburn, H. L. Viereck) ; Trenton, Ont., May, (Evans) ; Toronto, 



Ont., June, (Harrington). 

 Andrena astragali V. & C. Penticton, June, (Buckell); Oliver, May, (Buckell). 

 Andrena tridens Rob. Ottawa. 



Andrena mandibularis Rob. Strathroy, Ont., June, (H. G. Crawford). 

 Andrena accepta Rob. Medicine Hat, Alta., July, (F. W. L. Sladen). 

 Andrena erigenice Rob. Covey Hill, Que., May, (C. E. Petch); Toronto, Ont., May, 



(Harrington). 

 Andrena pallidifovea Vier. Penticton, B.C., May, (Buckell); Vernon, April. 

 Andrena erigenoides Vier. Victoria, B.C., April, May, June, (Treherne). 

 Andrena g. macnlati Rob. Toronto, May, June. 

 Andrena asteris Rob. St. John, N.B., September, (A. G. Leavitt); Toronto, August, 



September; Grimsby, Ont., August, (Brimley). 

 Andrena haynesi V. & C. Medicine Hat, August, (Sladen). 

 Andrena alicice Rob. Toronto, August. 



Andrena solidaginis Rob. Toronto, August; Aweme, September, (Criddle). 

 Andrena mendosa Vier. Penticton, B.C., May, (E. R. Buckell). 

 Andrena wellesleyana Rob. Aweme, Man., April, May, (Criddle). 

 Andrena nasoni Rob. Hull, Que., April, (Sladen); Ottawa, May, (Sladen); Toronto, 



June, (Sladen). 

 Andrena angustitarsata Vier. Victoria, May, (Treherne); Victoria, May, (A. E. Cam- 

 eron); var. Lillooet, May, (E. M. Anderson). 

 Andrena fragilis Sm. St. John, N.B., June, (Leavitt); Ironside, Que., May, (Sladen); 



Toronto, June, (E. M. Walker); Aweme, Man., May, (Criddle). 

 Andrena barbarica Vier. Toronto, June, (E. M. Walker). 

 Andrena integra Sm. Hemmingford, Que., June, (Beaulne); Toronto, July, August; 



Ottawa, June, July, (Sladen). 

 Andrena bradleyi Vier. Kazubazua, Que., June, (Sladen) ; Aylmer, Que., May, (Sladen) ; 



Mer Bleue, Que., May, (A. W. Richardson). 

 Andrena Carolina Vier. Halifax, N.S., June, (J. Perrin) ; St. John, N.B., May, (Leavitt) ; 



Aylmer, Que., May, (Sladen); Ottawa, June, (Sladen); White River, June, (Sladen). 



