HORSEFLIES OF THE SUBFAMILY TABANINAE 99 
lateral stripes broad, split by a longitudinal dark stripe above wing base; a 
transverse spot of dense black hair before scutellum; the latter entirely white, 
with white hair. Wing subhyaline, the costal cell faintly brownish and cross 
veins, furcation, and particularly veins Res and Rs margined with pale brown; 
venation normal. Femora black, the fore femur with black hair, others with 
some pale hair; fore tibia black, except for extreme base, which is yellowish, 
with a little white hair; middle and hind tibiae white, with white hair except 
the extreme apices, which are blackish with black hair; tarsi black, the middle 
and hind tarsi with short orange hair below. 
Abdomen above dark brown, with a median row of broad white spots and 
tergites with very narrow posterior margins, widening at lateral margins; 
median spot on tergite 2 much smaller than those on tergites 8 and 4, slightly 
smaller than that on tergite 5; venter grayish, with transverse brown bands on 
anterior margins of sternites 3-6, narrowed laterally; tergite 7 entirely brown. 
Male.—Unknown. 
Ficurn 44.—Antenna, front view of head, and palpus of (4) Tabanus moderator and (B) 
T. superjumentarius. 
Type.—United States National Museum No. 51968. Paratypes, 2, 
University of Arkansas. 
Distribution—Type, Atlanta, Ga., June 2, 1935 (P. W. Fattig) ; 
paratypes, Sevier County, Ark., June 29, 1930. 
This species is close to molestus Say, but differs in width of frons 
and in wing and leg coloration as indicated in the key. 
TABANUS SUPERJUMENTARIUS Whitney 
(Fig. 44, B) 
Tabanus superjumentarius Whitney, Canad. Ent. 11:37, 1879; Hine, Ohio State 
Acad. Sci. Spec. Papers 5: 55, 1908; Bequaert, Boston Soc. Nat. Hist. Occas. 
Papers 8: 87, 19383. 
Medium sized; thorax grayish; abdomen black, with a median row of short, 
rather broad, gray triangles, that on second tergite very small; fore tibia uni- 
formly dark. 
Female.—Length 15-19 mm. Eye bare. Frons with upper third grayish, 
middle third brown, with a pair of slender, darker, lateral lines, and lower 
third yellowish, these regions not always sharply defined; about five times as 
high as width at base, widened above; basal callus yellow or orange brown, 
about twice as high as wide, not quite touching eyes, the median callus a slender 
extension of about same length and usually somewhat darker; subcallus pale 
yellowish gray, nearly flat. Antenna dark reddish brown to black, the first 
two segments with short black hair; first segment somewhat widened apically ; 
second with a slender dorsal process; third with a prominent dorsal angle, the 
dorsal excision shallow; width of basal portion slightly less than three- 
fourths length; annulate portion rather slender, nearly as long as basal por- 
tion, the annuli distinct. Clypeus and genae below antennae pale gray, with 
mostly white hair. Second palpal segment pale yellowish gray, moderate in 
width at base, gradually tapering to a narrow but rather blunt apex, densely 
covered with short black hair. 
Mesoscutum reddish brown, with five distinct, light-gray lines in the usual 
pattern; prescutal lobe reddish gray, with black hair below; scutellum dark 
grayish anteriorly, reddish apically, the whole with pale hair. Pleura, sternum, 
and coxae gray, with white hair near wing base and on fore coxa, the rest 
