86 MISC. PUBLICATION 305, U. 8. DEPT. OF AGRICULTURE 
Female.—Length 22-25 mm. Eye bare. Frons about six times as bigh as 
width at base, only slightly widened above, with gray pollen, usually tinged 
with yellow below vertex; basal callus chestnut brown, higher than wide, and 
narrowly separated from eyes; median callus a slender, denuded, raised streak 
of same color, reaching to upper third of frons; subcallus yellow, not swollen 
but somewhat wrinkled. Antenna dark reddish brown, the third segment darker 
and annulate portion nearly black; first two segments with black hair; basal 
portion of third with a prominent dorsal angle and deep excision; annulate 
portion slightly shorter than width of basal portion. Clypeus and genae gray 
tinged with yellow above near eyes and with nearly white hair. Palpus orange 
brown, with short black hair, the second segment about 3 mm long, slender, 
and compressed, with apex truncate. 
Mesonotum reddish brown, the fine grayish pollen giving it a lavender tone; 
narrow gray lines in usual pattern. Pleura reddish above, darker below, the 
sternum and coxae dark gray. Wing faintly tinged with brown, the costal cell 
orange brown; furcation and cross veins margined with brown; cell R; nearly 
closed. Tibiae, except apical half of fore tibia, reddish brown, the hind tibial 
fringe well developed, black; rest of legs nearly or quite black. 
Abdomen orange brown, sometimes with an indication of median black spots 
anteriorly and small pale triangies posteriorly on some of the tergites: most of 
abdominal hair black, but yellowish hair on hind margins of tergites laterally, 
and on entire ventral surface. 
Male—wUpper facets of eye only slightly larger than those below, the line of 
differentiation indistinct. Palpus dark brown, with gray pollen and heavy black 
hair, the second segment nearly three times as long as thick. Coloration of 
body essentially as in female, the median black of abdomen somewhat more 
distinct. 
Described from specimens from Monticello, Ga., and Raleigh, N. C. 
Type-—A female, United States National Museum No. 50613. 
Three female paratypes, United States National Museum No. 50613. 
Type locality—Charleston, S. C. 
Distribution—Virginia to Florida. June 18 (Indiantown, Fla.) 
to September 23 (Chadbourn, N. C.). In the United States National 
Museum, 14 females, 1 male. 
TABANUS IMITANS Walker 
(Fig. 34) 
Tabanus imitans Walker, List of the Specimens of Dipterous Insects in the 
Collection of the British Museum, pt. 1, p. 146, 1848; Osten Sacken, Smithsn. ~ 
Mise. Collect. No. 270, p. 228, 1878 ; Stone, Ent. Soc. Wash. Proc. 37: 19, 1935. 
Tabanus fuscopunctatus Macquart, Diptéres exotiques nouveaux ou peu connus, 
sup. 4, pp. 338-839, 1850; Osten Sacken, Mem. Boston Soc. Nat. Hist. 2 (pt. 4, 
No. 4, and sup.) : 482-433, 559, 1876-78. 
as —— 
FIGURE 34.—Antenna, front view of head, and palpus of Tabanus imitans. 
Rather large; dark reddish brown, with a median row of small white spots 
on abdomen; wing spotted. 
Female.——Length 20-24 mm. Hye bare, purplish, with a single green band. 
Frons yellowish gray, parallel sided, about three times as high as wide; basal 
callus chestnut brown, slightly higher than wide, not quite touching eyes and 
