7) MISC. PUBLICATION 305, U. S. DEPT. OF AGRICULTURE 
ment pale cream colored, about twice as long as thick, the apex turned down- 
ward. Body coloration essentially as in female, although not quite so dark. 
Cotypes.—A number of females in the collection of Ohio State 
University. Several females in the collection of the University of 
Kansas and in the United States National Museum are probably 
cotypes. 
Cotype localities —Southern Pines, N. C., and Mimsville, Ga. 
Distribution—North Carolina to Florida. May 9 (Mimsville, Ga.) 
to June 30 (Monticello, Fla.). 
TABANUS SACKENI Fairchild 
(Fig. 25, A) 
Tabanus sackeni Fairchild, Boston Soc. Nat. Hist. Oceas. Papers 8: 141-143, 
1934; Philip, Ohio Jour. Sci. 36: 149-150, 1936. 
Rather small; brown, with a faint median abdominal stripe and round sub- 
lateral spots not touching hind margins of tergites; wing hyaline; frons 
narrow and widened above; third antennal segment elongate. 
FIGURE 25.—Antenna, front view of head, and palpus of (4) Tabanus sackeni and (B) 
T. sagaa. 
Female.—Length 12-15 mm. Eye bare, purple, with three green bands, the 
upper one short. Frons yellowish, with black hair and some yellow hair just 
above basal callus, five to five and one-half times as high as width at base, 
distinctly widened above; basal callus black or chestnut brown, an oblong, 
higher than wide and touching eyes; median callus an irregular, elongate spot 
usually separated from basal callus; subcallus brownish yellow. First two 
antennal segments yellowish brown, with black hair, the first not swollen above; 
third deep orange brown, the annulate portion black; basal portion about one 
and three-fourths times as long as greatest width, the dorsal angle acute but 
short; annulate portion considerably shorter than basal portion. Top of genae 
concolorous with subeallus, the remainder of the genae and the clypeus light 
gray, with white hair. Second palpal segment white, with black hair, mod- 
erately swollen at base but tapering apically. 
Mesonotum brown, with grayish-yellow hair, the dorsal stripes only faintly 
indicated ; prescutal lobe slightly paler, with black hair. Pleura, sternum, and 
coxae gray, with white hair. Wing, including costal cell, hyaline; venation 
normal. Legs yellowish brown, the apical third of fore tibia and the tarsi, 
except basal half of first hind tarsal. segment, blackened; hair of legs mostly 
white on pale portions except on hind tibia. 
Abdomen above brown, slightly darkened apically, with a median row of 
rather faint, narrow, grayish, contiguous triangles expanding at posterior 
margins and sublateral, oblique, oval, yellowish spots usually completely sur- 
rounded by the brown ground color; venter gray. 
Male.—Areas of large and small facets of eye sharply differentiated, the 
former extensive and the latter scarcely extending to vertex along hind margin. 
Second palpal segment pale cream colored, blunt at apex, with mostly white 
hair. Coloration of body essentially as in female. 
Type.—a female. Paratypes, 13 specimens in the Museum of Com- 
parative Zoology (No. 19527) and in the United States National 
Museum (No. 51976). 
Type locality—Cumberland Gap, Ky. 
