THE CANADIAN ENTOMOLOGIST. 297 



THE NEW MEXICO BEES OF THE GENUS CCELIOXYS. 



BY T. D. A. COCKERELL, EAST LAS VEGAS, N. MEX. 



Table to separate the fe??iales : 



Legs red . . i . 



Legs black, or only tarsi red 4. 



1. Anterior edge of clypeus deeply emarginate Sayi, Rob. 



Anterior edge of clypeus not emarginate 2. 



2. Ventral apical plate of abdomen broad ; dorsal abdominal seg- 



ments closely punctured in the middle deplanata., Cress. 



Ventral apical plate of abdomen narrow 3. 



3. Base of abdomen black; dorsal abdominal segments rather 



closely punctured in middle octodentata, Say. 



Base of abdomen red ; dorsal abdominal segments very sparsely 

 punctured in middle ment/uv, Ckll. 



4. Apical dorsal plate prominently angled at sides. .rujitarsis, Smith. 

 Apical dorsal plate not angled at sides ' 5. 



5. Apical ventral plate long and narrow, notched at sides near end. .6. 

 Apical ventral plate broad, suboval, more or less hairy at sides. .7. 



6. Lateral teeth of scutellum short and blunt ; tegul^e black ; length 



about 9 mm fncesta, Cress. 



Lateral teeth of scutellum longer and sharper ; tegulse dark 

 reddish ; length about 12 mm Porterce, Ckll. 



7. Apex of ventral plate with a very small projection ; apex of 



dorsal plate curved upwards Gile7is!s, Ckll. 



Apex of ventral plate with a large projection ; apex of dorsal 



plate not curved upwards 8. 



Apex of ventral plate without a projection ; apex of dorsal plate 



not curved upwards Apacheomm, Ckll. 



8. Lateral teeth of scutellum long, somewhat curved 



inwards gri?idelicp., Ckll. 



Lateral teeth of scutellum shorter, slender, straight . . .7-ibis, Ckll. 



Cozlioxys Sayi, Robertson, 1897. 



Las Cruces, June 12. Resembles octodetitata, but easily separated 

 by the clypeus. 

 Cxlioxys dep'afiata, Cresson, 1878. 



Mesilla, June 30; Mesilla Park, October 14. 



Ccelioxys octodentata. Say, 1824, (a/tilis, Cress.). 



Santa Fe', July 6, at flowers of Rudbeckia laciniata ; July 27; 

 Albuquerque; Las Vegas, August 11, taken by Miss S. L. Mize, on 



