74 MISC. PUBLICATION 305, U. S. DEPT. OF AGRICULTURE 
TABANUS SUBLONGUS, new species 
(Fig. 26, A) 
Tabanus “sp.” Philip, Ohio Jour. Sci. 36: 156, 1936. 
Rather small; orange brown, the abdomen with three rows of pale spots, the 
median spots slender, triangular, and the sublateral spots rather large and 
round; third antennal segment long, slender, bicolored; frons of medium width, 
with nearly parallel sides; basal callus nearly black; median callus detached. 
Female.—Length 12-14 mm. Eye bare, green, with a narrow, dialonal, purple 
band, a large purple triangle above, and a fainter band below. Frons yellow 
orange, three and one-half to four and one-half times as high as wide, with 
nearly parallel sides; basal callus shiny dark brown to black, as wide or nearly 
as wide as frons, square or slightly higher than wide; median callus black, only 
Sc oS 
FIGURE 26.—Antenna, front view of head, and palpus of (A) Tabanus sublongus and (B) 
ongus. 
rarely attached to basal callus by a slender line: subcallus and upper genae 
yellowish orange. Antenna mostly orange; first two segments with a yellowish 
tinge and black hair; annulate portion of third black; third with basal portion 
long and slender, the dorsal angle very short but sometimes acute, the’ dorsal 
excision very shallow; annulate portion about two-thirds as long as basal por- 
tion. Clypeus and lower genae pale gray, With gray hair. Second palpal 
segment moderately stout at base but strongly tapering, nearly as long as 
proboscis, cream colored, with short black hair. 
Mesonotum black, with brown hair and some brownish pollen, with scarcely 
any stripes: prescutal lobe orange brown. Pleura, sternum, and coxae pale 
gray, with white hair. Wing nearly hyaline, the costal cell only faintly washed 
with orange; veins orange brown, the venation normal. Legs nearly uniformly 
yellowish brown, the fore tibia at apex and all tarsi slightly darker. 
Abdomen above dark brown, with three rows of yellowish-brown spots; the 
median spots forming a continuous slender line, widening abruptly at posterior 
margin of each tergite; sublateral spots rather large, oblique, and each in con- 
tact with hind margin of tergite; venter orange brown, sometimes clouded 
with darker color. 
Male—Areas of large and small facets of eye distinctly differentiated. 
Color of whole body essentially as in female, the black on abdomen more 
restricted. 
Type—A female, United States National Museum No. 51966. 
Paratypes, nine females, one male, United States National Museum 
No. 51966. Other paratypes are in the Museum of Comparative Zool- 
ogy, the collection of the University of Kansas, and the collection of 
C. B. Philip. 
Type locality—Plummers Island, Md. 
Distribution—Maryland, Virginia, New York, Pennsylvania, Ten- 
nessee, Missouri, Arkansas, Kansas, and Oklahoma. The type was 
collected August 5, 1917, by G. M. Greene. Others from June (Ithaca, 
N. Y.) to September 14 (Cabin John Bridge, Md.). 
