Bees from New Mexico, 405 



tlio apical margin.s of the .segments, that on the first aluiusl 

 obsolete. 



cJ . — Similar in most respects ; face entirely dark ; antennne 

 entirely dark ; abdomen a litth' more punctured, more gene- 

 rally pruinose, with the hair-bands less distinct; pubescen'jc 

 generally longer, but of the same colour on hea<l and thorax. 



Hah. Beuluh, N. .M., July 26, 1899 {Wilmatte Porter). 



Andrena vidua, Smith, 1853. 



Bab. Beulah, N. AI., May 30, 1899, at Howers of wil.l 

 plum, 3 ? ( Wilmatte Porter). 

 New to New Mexico. 



Andrena platyparia, race occidentalism Ckll., 1896. 



Hah. Beulah, N. .M., July 26, 1899, 1 ^ {Wilmatte 

 Porter). 



Andrena argemonis, Ckll., 1896. 



Ilab. Las V^egas, July 21, at tlowers of Petalostemon cun- 

 didus, 1 (J , 1 ? {Ckll.); July 30, at flowers of Cleoine 

 serrulata, 1 ? ( Wilmatte Porter); Aug. 11, at flowers of Petalo- 

 stemon Candidas, 2 ? ( W. Porter). Gallinas River, at La 

 Cueva, Aug. 6, 1 $ {Porter 6^ Ckll.). San Geronimo, at 

 flowers of Petalostemon Candidas^ July 23, 1 cJ, 3 ? {A. 

 Garlick) . 



Andrena americana, Dalla Torre, 1896. 



Hab. San Ignacio, Sept. 1, 2 ? ( Wilmatte Porter) ; Beulah, 

 end of August, 1 (J {Ckll). 



New to New Mexico, and quite unexpected here. The 

 specimens agree with those from Connecticut. 



Andrena helianthi, Rob., 1891. 



lla(>. Las Vegas, Aug. 11, 1 ? {A. Oarlick) ; Aug. 2. at 

 flowers of Verbesina encelioides, 1 cJ ( Wilmatte Porter) • 

 Aug. 12, at flowers of Helianthus annuus, 1 (J {A. Garlick). 

 Rociada, Aug. 20, 1 ? {Ckll.). 



Andrena mellea, Crcsson, 1868. 



Ilab. Las Vegas, Aug. 11, 1 ? {A. Garlick). 

 A beautiful species, previously known only by the unique 

 type. 



