1942] 
Near die Tabaninse 
33 
pollinose. Antennae red, scapes normal. Palpi pale yellow, 
attenuated, covered with pale hairs, and a few black ones on 
the apical segment. Thorax pale yellowish pilose and pol- 
linose above with 3 indistinct dark lines posteriorly, scutel- 
lum broadly pale reddish behind; pleurae, chest and coxae 
whitish pilose and pollinose. Wings hyaline, venation nor- 
mal. Halteres pale yellow. Legs pale reddish, fore pair 
brown on the inner faces of the femora and blackish beyond 
the middle of the tibiae, the hind-tibial fringe predominantly 
white on the basal two thirds. Abdomen very pale, incon- 
spicuously gray and reddish lined above, the pale middorsal 
line widened on each incisure, the sublateral gray lines ir- 
regular in a schwardti- like arrangement. Venter pale red- 
dish, with an indistinct, darker, mid-ventral band in certain 
lights ; black hairs only on terminal sternite. 
Westmoreland, Calif., 5-20-31, R. M. and G. E. Bohart. 
In the collection of the author through courtesy of Dr. 
T. H. G. Aitken. 
Paratypes — 3 $ , Westmoreland, Calif., July 20, 1933, M. 
Cazier ; $ , same data as allotype but May 15 ; 2 $ , Coachella, 
Calif., May 13, 1917, E. P. Van Duzee; $, $, Brawley, 
Imperial Co., Calif., Aug. 9, 1914, J. C. Bradley; $, same 
data but Aug. 10; 3 $ , same place May, 1911, June 1 and 6, 
1912, J. C. Bridwell; $, El Centro, Calif., June 25, 1917 
(Bishopp No. 7392) ; $ , El. Centro, Calif., April; 4$, $, 
Sommerton, Ariz., June 2, 1938, C. C. Deonier (Bishopp 
No. 27,815) ; $ , Yuma, Ariz., April, 1937, R. M. and G. E. 
Bohart; $, Ehrenberg, Ariz., Aug. 25, 1938, F. H. Parker. 
In the collections of the U. S. Nat’l Museum, Museum of 
Comp. Zoology, T. H. G. Aitken, G. B. Fairchild, J. C. 
Bequaert, and the author. Part of these males were 
assigned to T. truquii Bell, by Stone (1938) . 
There is some variation in size, and palpal shapes, while 
the upper eye facets in some males are contrasting yellow 
rather than brown. Four males from New Mexico and 
Texas appear to belong here because of the bleached body 
pattern, but approach schwardti in having darker shadows 
on the bases of the hind femora. 
In south central California, where this intermingles with 
scutellaris , the latter also is somewhat pallid, and the fe- 
males are very close, but separated as given in the key. The 
