Records of Bees. 3(53 



Protandrena cockereUi, Dunning. 



Both sexes at Hovvers of Asclepias, Boulder, Colorado, 

 Jily 4, 1911 (E. Bethel). 



Agapostemon splendens, Lcpelctier. 



A female found dead on the snow, above Camp Albion, 

 Colorado, 12,000 ft., 1914 {Alfred IVfieeler). This is rather 

 larger than usual, and a much yellower green than the 

 specimens from Louisiana and Nebraska. 



Nomia mesillce, Cockerel 1. 



Boulder, Colorado, a male at flowers of Ratibida colum- 

 naris, Aug. 3, 1914* (^Cockerell). This is the second kuo.vn 

 specimen. 



Osmia permorata, Coekerell. 



Jimtown, Colorado, at flowers of Astragalus, June 7, 1914 



( Coekerell) . 



Osmia conjunct a marilaunidii, subsp. n. 



^ . — Head, mesothoras, and scutellum yellowish green ; 

 flagellum dull ferruginous beneath ; lower part of front with 

 only one tubercle, that obscure. Wings short, brownish ; 

 legs with much green colour ; hair of face dense and pure 

 white. 



Hub. Devils River, Texas, at flowers of Marilaunidium 

 origanifoliuin (M. B. K.), May 6, 1907 [F. C. Bishopp). 

 U.S. National Museum. 



This is easily known from 0. subfasciata by the larger 

 size and sharp toeth at sides of sixth abdominal segment. 

 It can hardly be the male of 0. hutitena, as it is more finely 

 and densely punctured than that species. 



Hoplitis monardcs, sp. n. 



? . — Length about 10 mm. 



Black, the ventral scopa creamy-white ; head large, the 

 cheeks very broad and rounded ; hair of hea I and thorax 

 long and white, but not abundant, on lower part of clypeus 

 it is slightly sordid ; clypeus with extremely dense minute 

 punctures, and no raised or smooth line; the lower margin 



25* 



