Records of Bees. 285 



Neolarra alba, sp. n. 



^ . — Length about 4 mm. 



Robust, covered with white scale-like pubescence ; man- 

 dibles and labrum ferruginous, the hitter with a boss-like 

 elevation on each side ; face broad ; flagelluni thick, ferru- 

 ginous ; legs covered with white pubescence, but tarsi and 

 knees can be seen to be pale ferrugiuous ; tegulaj dark, 

 covered with light hair ; second s.m. extremely small and 

 narrow ; stigma dari< ; tegument of abdomen dark, with the 

 hind margins of segments reddish, but the whole densely 

 covered with white hair, that of the hind margins forming 

 chalky-white bauds ; venter densely covered with white 

 hair, 



Hab. Clareraout, California [Baker; Pomona coll. 1913). 



Neolarra vittala, sp, n. 



c? , — Length about 4 mm. 



Ditfering from N. alba as follows : less robust, fltigellum 

 clearer red, tegulaj reddish, legs not so densely toraentose 

 (knees, tibiffi at a])ex, and tarsi clear red), chalk-white bands 

 of abdomen very distinct, the basal part of segments 

 appeiiring darker and browner. The distance between the 

 teguhe is 800 microns ; in A^. alba it is 865. 



Hab. At flowers of Dithyrea ivislizeni, Mesilla Park, New 

 Mexico, 3800 ft., May 7 {Cockerel!). 



The known species of Neolarra may be separated thus : — 



Abdomen red 1. 



Abdomen not red 3. 



1. Very small, length 4 mm. or less pruinosa, Ashm. 



Larger, at least 5 mm 2. 



2. Abdomen very light red, tegulse pale clear 



red verbesince (Okll.). 



Abdomen deep red, teguLTe dark conyregata, Crawf. 



3. Less robust ; abdomen appearing dark brown- 



ish plumbeous, with very conspicuous white 



bauds vittata, Ckll. 



More robust ; abdomen very white alba, Ckll. 



Dioxys aurifuscus (Titus). 



The range is greatly extended by a female from Claremont, 

 California [Baktr ; Pomona coll. 194). 



Dioxys pomoncs, CockereU. 



Described from the male. The female (Claremont, Baker; 

 Pomona coll. 191) is a little over 8 mm. long, flagellum 



