24 Mr. T. D. A. Cockerell on Bees. 



Exomalopsls mellipes, Cresson. 



San Kafael, State of Vera Cruz, Mexico, at flowers of plant 

 no. 31 {Cordia sp., probably C. ferruginea), middle of July 

 {C.H.T.Townsend). 



Ej^eoJus Martini (Ckll.) . 



Epeolus remi^atiis, var. Martini, Ckll. Canad. Eiitom. xxxii. p. .362 

 (1900). 



In the collection of the Colorado Agricultural Experiment 

 Station are specimens taken in Colorado j and after studying 

 them, I feel satisfied that they represent a valid species. 



Xenoglossodes imitatrix, Ckll. & Porter. 



Glorieta, New Mexico, Aug. 16, 1903, 1 ? {W. P. 

 Cockerell) . 

 The specimen has a red stripe on the mandibles. 



Diadasia rinconis, Ckll. 



Pecos, New Mexico, Aug. 4, 1903, 1 ? at flowers of 

 O/nintia arborescens. 



Lithurgopsis apicalis (Cresson). 



Pecos, N. M., Aug. 4, 1903, 1 S at flowers of Opuntia 

 arborescens. 



The first recurrent nervure enters the second submarginal 

 cell at its extreme basal corner; in some specimens of this 

 species it enters some little distance from the base. 



Euglossa cordata (L.), var. Townsendi, nov. 



Hair of vertex and dorsum of thorax nearly all black ; a 

 band of black hairs (conspicuous in lateral view) from eye to 

 eye in front of ocelli ; hair of occiput and cheeks white, with 

 a slight yellowish tint ; -wings strongly dusky. Disk of 

 cljpeus in male brilliant purple. 



Ilab. Vicinity of San Rafael, State of Vera Cruz, Mexico, 

 (^ , March 12, " in nest '^ ; females Avith the same data 

 [C. £1. T. Townsend). 



Perhaps a distinct species. 



AntJwjjhora euops, Ckll. 



Prospect Lake, Colorado Springs, Colo., at flowers of 

 Arogatlus Lamberti, May 22, 1 S {T. di W. Ckll.). 



in fresh specimens the mesotiiorax is densely covered with 

 grcyish-'white hair, strongly mixed with black. 



