94 THE CANADIAN ENTOMOLOGIST. 



Prosopis citri7iifrons, CklL, Psyche vii., Supp. p. 27. 



Vancouver. (Am. Ent. Soc, Phila.) With the flagellum brown 

 beneath. 



Prosopis divergens, Ckll., Psyche vii., Supp. p. 29. 



Oregon. (Am. Ent. Soc, Phila.) Differs from the description as 

 tbllows : Face lemon-yellow, inclining to orange ; marks on body and 

 legs much the same ; anterior tibise reddish (possibly coloured by cyanide); 

 first segment of abdomen closely punctured ; flagellum brown beneath ; 

 supraclypeal mark blunt, triangular 3 a dark spot on the yellow of the 

 tubercles. 

 Prosopis Baker i, Ckll., Psyche vii., Supp. p. 26. 



Corvallis, Oregon, 25 May, 1898 (Cordley). 



Prosopis Mesillce, Ckll., Can. Ent., xxviii., p. 42. 



Washington. (Am. Ent. Soc. Phila.) Enclosure of metathorax, 

 rather coarsely striate. 



CoLLETiD^:, Colletes, Latr. 



By Myron H. Swenk, Lincoln, Nebr. 



Females. 



Mesothorax with black hairs; abdomen highly polished, base of segment 2 



fasciate ftilgidus, n. sp. 



Mesothorax without black hairs. 



Pubescence of head, pleura and legs black ; no abdominal 



fasciae Pascoensis. 



Pubescence of head, pleura and legs not black ; abdomen fasciate. 

 Pubescence of head and thoracic dorsum fulvous ; 13 mm. 



long Kincaidii. 



Pubescence of head and thoracic dorsum yellowish-white ; 



10 mm. long delodotitus. 



Males. 



Cheeks and tibise with black pubescence Pascoensis. 



Cheeks and tibiae with pale pubescence. 



Pubescence of thoracic dorsum whitish, with a few brown 



hairs fuigidus, n. sp. 



Pubescence of thoracic dorsum fulvous or ochraceous, without dark 

 hairs. 



Larger, 105^ mm. long Kincaidii. 



Smaller, 9 mm. long simulans. 



