22 W. Dzvight Pierce 



B. vagans Sm. (?). West Point, September 12, 1903, Craw- 

 ford. 

 Psithyridae (False Bumble Bees — parasitic). 



Psithyrus variabilis Cress. West Point, September 8, 1903, 

 September 21, 1903, Crawford. 

 Anthophoridae (solitary bees). 



Anthophora sp.(?). Lincoln, September 4, 1903, Swenk. 

 Melissodes agilis Cress. Lincoln, September 18, 1903, Bru- 



ner. 

 Melissodes sp. West Point, Crawford. 

 Nomadidae (Cuckoo Bees — parasitic). 



Triepeolus concavus Cress. {Epeolus). West Point, Sep- 

 tember 18, 1903, Crawford. 

 Triepeolus helianthi Rob. West Point, September 12, 1903, 



Crawford. 

 Epeolus Scutellaria Say. Lincoln, September 18, 1903, Bru- 



ner. 

 Epeolus sp. Lincoln, August 27, 1902, Swenk. 

 Epeolus sp. West Point, Crawford. 

 Nomada sp. Lincoln, August 27, 1902, Swenk. 

 Melanomada grindeliae Ckll. {Nomada). Lincoln, August 

 27, 1902, Swenk. 

 Ceratinidae (Small Carpenter Bees). 



Ceratina tejonensis Cress. (C. calcarata Rob.). West Point, 

 September 19, 1903, Crawford. 

 Megacbilidae (Mason, Leaf-cutting, and Potter Bees). 

 Osmiinae (Mason Bees). 



Ashmeadiella sp. Lincoln, August 19, 1903, Pierce. 

 Megachilinae (Leaf-cutting Bees). 



Mcgachile latimanus Say. West Point, September 18, 1903, 



Crawford. 

 Mcgachile sp. West Point, September 10, 1903, Crawford. 

 Mcgachile sp. Lincoln, September 4, 1903, Swenk. 

 Stelidae (Parasitic Bees). • 

 Coelioxinae. 



Neopasites heliopsis Rob. Lincoln, August 2y, 1902, 

 Swenk. 



174 



