THE CANADIAN ENTOMOLOGIST. 359 



NOTES ON SOME CANADIAN BEES 



BY J. C. CRAWFORD, WASHINGTON, D. C. 



The specimens here recorded are part of a collection made at 

 Medicine Hat, Alberta, by Mr. J. R. Malloch, between September 

 1st and October 15th, 1911. Other species of bees, which have not 

 been studied, were also collected. 



Agapostemon viridulus Fabr. — 2 cf. 



Bombiis huntii Greene. — 1 cf , 1 9 . 



Calliopsis coloradensis Cress. — 66^, 1 9 . 



Diadasia diminiita Cress. — Icf . 



Dialictus anomalus Robt. — 3 cf , 1 9 . 



Halictoides marginatus Cress. — 2cf , 2 9 . 



Halicttis aherrans Cwfd. — Icf , 2 9 . 



Halictus lerouxii Lep. — 8d^, 4 9. 



Halictus provancheri D.T. — ScT", 1 9 . 



Halictus pruinosijormis Cwfd. — ScT, 4 9 • 



Halictus pruinosus Robt. — 3d^. 



Neopasites illinoiensis Robt. — 1 d^, 2 9 . 



Panurginus innuptus Ckll. — Icf , 1 9 . 



Perdita cocker elli Cwfd. — 2d^, 19. 



Perdita citrinella Graenicher — 1 cf , 2 9. Both the females 

 have the hind tibiae darkened. In one female the first recurrent 

 vein is interstitial; in the other it is received by the first sub- 

 marginal cell as in a paratype of the species. 



Sphecodes minor Robt. — 2 9 . 



Phileremidus mallochi, new species. — Male: Length, 3 mm; 

 head and thorax black, closely punctured (but the sculpture con- 

 cealed by the pubescence), closely covered with white appressed 

 pubescence, that on the dorsum of the thorax slightly tinged with 

 yellowish ; abdomen red, disks of segments 4-6 more or less suffused 

 with dusky; apical margins of segments 1-6 with bands of white 

 appressed pubescence, disk of first segment with similar pubescence; 

 labrum and mandibles, except the reddish tips, testaceous; scape and 

 pedicel black, rest of the antenn^ae reddish; axillae produced, tooth- 

 like; tegulae dark, the outer edge at middle obscurely reddish; scutel- 

 lum bilobate at apex; metanotum medially strongly produced into a 

 bilobate process; propodeum with a roughened basal triangular area 

 without pubescence and with a strong median longitudinal carina; 

 wings hyaline, marginal cell squarely truncate at apex; submarginal 

 cell appendiculate at apex, receiving the recurrent vein slightly 

 apicad of the middle ; femora dark, tibiae and tarsi yellowish more 

 or less suffused with dusky and the apical joints of the tarsi dark; 

 abdomen rugoso-punctate. 



December, 1912 



