THE CANADIAN ENTOMOLOGIST, 221 



SYNOPSIS OF BEFS OF OREGON. WASHINGTON, BRITISH 

 COLUMBIA AND VANCOUVER —III. 



BY H. L. VIERECK, ASSISTED BY T. D. A. COCKERELL, E. S. G. TITUS, 

 J. C. CRAWFORD, JR., AND M. H. SWENK. 



(Continued from page 196.) 

 Andrena trachandrefioides, n. sp. 



? and ^ 10 mm. Presumably from British Columbia. A very 

 remarkable species, with ochreous pubescence and legs partly pale. If it 

 were not for the character of the antenna?, this would have to be placed in 

 Trachandretia. 



Andrena Kincaidii, Ckll., Proc. Nat. Sci., Phila., 1897, p. 35. 



9 .-Pullman, Wash. (C. V. Piper); $, 2nd, loth June, 1895, Olympia, 

 Wash. (T. Kincaid) ; 7th June, 1895, Seattle, Wash.; 20th May, 1896. 

 Livingston, Vane; $, 6th April, 5th July, 1898; $, 2nd June. 189S; 5th 

 June, 1897; 26th Sept., -1899, Corvallis, Or. (Cordley). 



Andrena Kincaidii, Ckll., var. Fascoensis, Ckll., Ent., Lond,, 1897, P- 3^S^ 



?, 25th May, 1896, Pasco, Wash. (T. Kincaid), Oregon. 

 Andrena Vernoni, n. sp. 



9 13.5 rnm., $ 12 mm. Very like i?'/«^a/^//, but the dull sculpture 

 separates this at a glance. 



Type locality : Vernon, British Columbia. Tvpe Acad. Nat. Sci.> 

 Phila. 

 Andrena Cressoni, Robt., Tr. Am. Ent. Soc, XVIIL, p. 56. 



?, 27th May, 1897; 8th June ; 4th, cth, 8th, nth June, 1898 ; 4th, 

 27th April; i2th May, 7th, loth, 14th June, 1899, Corvallis, Or. (Cord- 

 ley) ; S, nth, i2th, 3TSt May, 1903, Vernon, B. C; 29th May, 5th July, 

 1896, Livingston, Vane. 

 Andrena puiverulenta, n. sp. 



9 10 mm. The dull fine sculpture, the gray and sericeous pubes- 

 cence, make of this a sharply defined species. 



Type locality : Corvallis, Oregon. Type Acad. Nat. Sci., Phila, 



25th Sept., 1898 ; ^, 15th May, 1897 (Cord]_ey). 

 Andrena seminigra, n. sp. 



9 1 2 mm. A species with gray pubescence, the abdomen nearly 

 bare and with a steel-blue reflection. 



Type locality : Corvallis, Oregon. Type Acad. Nat, Sci., Phila. 



?,4th May, 1899; 12th, i8th May, 1898; 7th, 9th June, 1898; 

 3rd, loth June, 1899, Corvallis, Or. (Cordley). 



