Bees of the Genus Megachile. 129 



Pubescence of thorax fulvous fortis, Cress. 



7. Anterior legs slender ; anterior tarsi with 



basal joint merely expanded into a flat 



lamina at the side occidentalis, Fox. 



Larger ; anterior femora stout, subtrian- 

 gular in section 8. 



8. Anterior femur yellow where it touches 



tibia ; pubescence of face yellowish ; a 

 white band of pubescence at scutello- 



mesothoracic suture siclalcece, Ckll. 



Anterior femur rufous where it touches 

 tibia ; pubescence of face white ; no band 

 of pubescence at scutello-mesothoracic 

 suture Casadce, sp. n. 



The following are new to the fauna of Xew Mexico : — 



Megachile comata, Cress. 1872. 



Tuerto Mountain, near Santa Fe, 8025 feet, Aug. 7, at 

 flowers of Senecio {Gkll.). 



Megachile pugnata, Say, 1837. 



Five males from Santa Ye [Gkll.) ; one, July 11, at flowers 

 of Lactuca pulchella ; two at flowers of Rudheckia laciniata^ 

 July 27 and Aug. 2 ; one, July 6 ; one, July 18. 



Megachile latimanus, Say, 1823. 



Three at Santa F^ (Ckll.) ; one ? , July 25, at flowers of 

 Sphceralcea angustifoUa ; one ^ , Aug. 1, at flowers of Gleome 

 serrulata ; one ^ , Aug. 2>, inside closed flower of Argemone 

 platyceras. 



Megachile texana, Cress. 1878. 



Ruidoso Creek, 6400 feet, July 8^ at flowers of Pentstemon , 

 two females {E. 0. Wooton). 



Megachile Townsendiana, sp. n. 



^ . — Length about 10^ millim. 



Black, with scattered white pubescence. Head large, 

 transversely oval ; eyes sage-green ; facial quadrangle a little 

 longer than broad, perceptibly narrowed below ; face (in- 

 cluding clypeus) densely clotlied with white hair; vertex 

 strongly punctured, with very sparse white pubescence ; 

 cheeks sparsely pubescent above, densely clothed with white 

 hair below ; antennae black, flagellum slender, last joint not 

 broadened ; mandibles wholly black, the long hairs on their 

 inferior margin whitish ; mesothorax very strongly and 



