162 THE REPORT OF THE Xo. 36 



Dianthidium simile Cr. Guelph, Out., 1013, (A. Burrows) ; Ottawa, July 



7, 1913, (Sladen). 

 Microstelis lateralis Cr. Toronto, Ont., June 24, 1894, (W. Brodie) 



Aylmer, Que., June 5, 1915, on Potentilla, (Sladen). 

 Pavostelis montana Cr. Letlibridge, Alta., June 28, 1914, (Sladen) 



Banff, Alta., (Sanson). 



* Stelis ontaiiana Sladen. Ottawa, Ont., Aug. 16, 1912, (Beaulne) 



Bethesda, Ont., Aug. 15, 1892, (W. Brodie) ; Can. Ent., XLVIII, 312. 



* Auioclielosioma canadensis Sladen. Ottawa district, Ont., Aug. 14, 1914 



(Germain) ; Can. Ent, XLVIII, p. 270. 

 Chehjnia subemarginata Cr. Toronto, Ont., June 23, 1891. (W. Brodie) 

 Aylmer, Que., June 24, 1913, (Beaulne) ; Dalhousie, N.B., July 24 



1915, (Sladen). 



• Chehjnia foederalis Sm. Toronto, Ont., Juno 9, 1896, (W. Brodie) 



Ottawa, June 11, 1913, (Sladen). 

 Ckelynia ruhri Ckll. Banff, Alta., June 25, 1908, (Sanson). 

 Heriades carinatus Cr. Invermere, B.C., June 30, 1914, (Sladen). 

 Chlorosviia fulgida Cr. Banff', Alta., (Sanson) ; Invermere, B.C., July 1, 



1914, (Sladen). 



* Formicapis clypeata Sladen. Aweme, Man., July 6, 1915, (Criddle) ; 



Waterhole, Alta., Aug. 18, 1915, (Strickland); Melfort, Sask., July 20, 



1916, (Sladen) ; Can. Ent., XLVIII, p. 271. 



Osmia cobaJtina Cr. Shawnigan, B.C., July 7, 1914, (Sladen) ; Peachland, 



B.C., July 24, 1909, (Wallis). 

 Osmia kenoyeri Ckll. White River, Ont., June 3, 1915, (Sladen). 

 Osmia nigrifrons Cr. Invermere, B.C., June 30, 1914, (Sladen). 

 Osmia novomexicana Ckll. Aweme, Man., April 30, 1910, (N. Criddle) ; 



Medicine Hat, Alta., May 30, 1904, (Willing). 

 Osmia chalybea Sm., var. facefa Cr. Ottawa, Ont., July 26, 1913, (Sladen) ; 



Toronto, Ont., July 26, 1890, (W. Brodie). 

 Osmia chalybea Sm. var. mandibularis Cr. Letlibridge, Alta., July 8, 



1909, (Wallis). 

 Osmirj. densa Cr. Banff, Alta., May 17, 1915; Golden, B.C., May 16, 1915; 



Shawnigan, B.C., July 7, 1914, (Sladen). 

 Osmia albiventris Cr. Ottawa, Ont., June 11, 1913: "\^'liite River, Ont., 



June 3, 1915; Banff, Alta., May 21, 1915, (Sladen). 

 Osmia atriventris Cr. St. John, X.B., May 23, 1903, (Leavitt) ; Aweme, 



Man., May 2, 1914, (N. Criddle); Ottawa, Ont., May 18, 1913; Banff, 



Alta., May 21, 1915, (Sladen). 

 Osmia melanotricha Lov. & Ckll. Toronto, Ont., June 10, 1894, (W. 



Brodie): Ottawa, Ont., June 18, 1913, (Sladen). 

 Osmia hudsonica Cr. Banff, Alta., May 21, 1915, (Sladen). 

 Megachile (Oligoiropus) exilis, subexilis, Ckll. Males, Ottawa, Ont., 



July 15, 1913; Kaslo, B.C., Penticton, B.C., Aug., 1916, (Sladen). 

 Megachile fidelis Cr. Summerland, B.C., Aug. 9, 1916, (Sladen). 

 Megachile pugnata Say. Edmonton, Alta., July 11, 1916, (Carr) ; Salmon, 



Arm, B.C., July 4, 1914; Shawnigan, B.C., July 7, 1914, (Sladen). 

 Megachile manifesta Cr. Davidson, Sask., Aug. 21, 1907, (Willing) ; 



Medicine Hat, Alta., Aug. 20, 1916; Letlibridge, Alta., July 28, 1916; 



Sw'ift Current, Sask., Aug. 22, 1916, (Sladen). 



