HORSEFLIES OF THE SUBFAMILY TABANINAE 55 
slightly over two-thirds its length, with a distinct midventral angle, a promi- 
nent but obtuse dorsal angle, and a rather shallow excision; annulate portion 
nearly black, rather stout, slightly longer than width of basal portion. Clypeus 
and genae white, with white hair. Second palpal segment creamy white, with 
concolorous hair and a few black ones, the base of moderate thickness, but 
apical portion very slender. Proboscis only slightly longer than palpus. 
Mesonotum dark brown, with upright black hair and whitish recumbent hair; 
mesoscutum with faint, lighter-brown stripes in usual pattern; humeral and 
prescutal lobes light brownish. Pleura, sternum, and coxae gray, tinged with 
brownish, the hair white. Wing hyaline; venation normal. Legs yellowish 
brown, with mostly white hair, all tibiae at apex and the tarsi dark brown, 
\¥ 
FIGURE 15.—Antenna, front view of head, and palpus of (A) Tabanus ewilipalpis and 
(B) T. fulvulus. 
Dorsum of abdomen dark brown, the tergites with very narrow, light-brown 
hind margins, a narrow median line, and round sublateral spots on tergites 2-6 
not touching hind margins; venter almost uniformly grayish. 
Male.—Unknown. 
Type.—Female, United States National Museum No. 51961. 
Type locality Beaufort, S. C. The type was collected by A. H. 
Jennings, May 25, 1912. 
TABANUS FULVULUS Wiedemann 
(Fig. 15, B) 
Tabanus fulvulus Wiedemann, Aussereuropaische zweifliigelige Insekten, y. 1, p. 
153, 1828; Osten Sacken (in part), Mem. Boston Soc. Nat. Hist. 2 (pt. 4, No. 
4): 451-452, 1876; Hine, La. Agr. Expt. Sta. Bull. 93: 49, 1907; Fairchild, 
Boston Soc. Nat. Hist. Occas. Papers 8: 140-141, 1934; Philip, Ohio Jour. 
Sei. 86: 150-151, 19386. 
Tabanus fulvofrater, Walker, List of the Specimens of Dipterous Insects in the 
Collection of the British Museum, pt. 1, pp. 181-182, 1848. (New synonymy.) 
? Tabanus mutatus Walker, Insecta Saundersiana, Diptera, v. 1, pp 23—24, 1850. 
Medium sized; yellowish, with three rows of yellow spots on abdomen, the 
median spots contiguous; mesoscutum without distinct stripes; no spot at furca- 
tion; third antennal segment with basal portion orange, annulate portion black; 
frons narrow and widened above. 
Female——Length 12-16 mm. Eye bare, green, with three purple bands, the 
upper one at level of median callus and strongly curved upward, median one 
from basal callus diagonally nearly to outer margin, and lower one from corner 
of subcallus, fading outwardly. Frons bright yellow, with a mixture of short 
black and yellow hair, about five times as high as width at base, somewhat 
widened above; basal callus shiny black or brownish, somewhat higher than 
wide and nearly touching eyes; median callus about as long as basal callus but 
distinctly separated from it; no ocellar tubercle; subeallus and top of genae 
bright yellow; lower genae and clypeus grayer, with pale-yellowish hair. An- 
tenna bright orange except black annulate portion; first two segments with a 
mixture of short black and yellow hair; third rather broad at base, with a dis- 
tinct dorsal angle and moderate dorsal excision; annulate portion slightly shorter 
than width of basal portion. Second palpal segment mioderately broad at base, 
tapering to a sharp apex, bright yellow, with yellow hairs and occasionally a 
few black ones. 
Mesonotum black, tinged with yellow and covered with yellow hair, giving it 
an olive-green color; a few black hairs on prescutal lobe. Pleura, sternum, and 
coxae gray tinged with yellow, with pale-yellowish hair. Wing hyaline, the 
