108 
PSYCHE 
[October 
Sphecodes dichrous Sm. 
1853 Sphecodes dichroa Sm. $ (not J'), Cat. Hym. Brit. :Mus. 1 : 38. 
1865 Sphecodes dichrous Sichel, 9 , (not c?), Ann. Soc. Ent. Fr. 5; 461. 
1882 Halictus scabrosus Prov. c?, Nat. Can. 13: 200. 
1882 Sphecodes dichroa Prov. 9 , Nat. Can. 13: 257. 
1883 Halictus scabrosus Prov. d’, Faun. ent. Can. Hyin. p. 700. 
1883 Sphecodes dichroa Prov. 9 , Faun. ent. Can. Ilym. p. 724. 
1904 Sphecodes dichrous Ckll. Can. Ent. 36: 304. 
Spiiecode.s eustictus Ckll. 
1906 Sphecodes eustictus Ckll. 9 , Can. Ent. 38: 162. 
Sphecodes fortior Ckll. 
1898 Sphecodes fortior Ckll, Bull. Dcni.son Univ. 11:44, 
Sphecodes fr.\gariae Ckll. 
1903 Sphecodes jragariae Ckll. 9> Trans. Am. Ent. Soc. 24:98. 
Sphecodes heraclei Robt. 
1897 Sphecodes heraclei Robt. 9 , Trans. Ac. Sci. St. Louis, 7 : 318. 
1903 Sphecodes heraclei Robt. 9 c?, Ent. News, 14: 105-6. 
Sphecodes iiesperellus Ckll. 
IDOi Sphecodes hespcrellus Ckll. 9 c?, Can. Ent. 36: 232. 
var. PULSATILLAE Ckll. 
1906 Sphecodes hesperellus var. pulsatillae Ckll. Ann. Mag. Nat. Hist. ser. 7, 18: 75. 
Sphecodes illinoiensis Robt. 
1897 Sphecodes pycnanthemi Robt. (in part), 9 , Trans. Ac. Sci. St. Loui.s, 7 : 320. 
1903 Maehaeris illinoensis Robt. 9 , Ent. News, 14: 107. 
Sphecodes kincaidii Ckll. 
1898 Sphecodes kincaidii Ckll. 9 , Proc. Ac. Nat. Sci. Phil. 1 : 56. 
Sphecodes knetschi Ckll. 
1898 Sphecodes kneischi Ckll. 9 (?> Trans. Am. Ent. Soc. 25: 186. 
Sphecodes i.eptanthi Ckll. 
1904 Proterancr leptanthi Ckll. Ent. 37: 232. 
Sphecodes mandibularis Cr. 
1872 Sphecodes mandibularis Cr. 9 , Trans. Am. Ent. Soc. 4: 250. 
1888 Sphecodes mandibularis Prov. 9 (S', Add. faun. Can. Hym. p. 335. 
1897 Sphecodes mandibularis Robt. 9 c?, Trans. Ac. Sci. St. Louis, 7:317. 
1903 Sphecodium cressonii Robt. 9 (S, Ent. News, 14: 106. 
