HORSEFLIES OF THE SUBFAMILY TABANINAE 155 
darker than in female. Sublateral spots on second tergite not attaining an- 
terior margin; some black basally and medianly on venter. 
Type.—A female, United States National Museum No. 51974. Allo- 
type, United States National Museum, No. 51974; a paratype male in 
the collection of the Boston Society of Natural History and a para- 
type male in the collection of Ohio State University. 
Type locality—tlLyme, Conn. 
Distribution.—Connecticut to New Jersey, on coast. May 26 (New 
Haven, Conn.) to June 80 (Lyme, Conn.). Type and ailotype collected 
at Lyme, May 26 and June 30, respectively, by W.S. Fisher; the para- 
type, at Lakehurst, N. J., May 30, 1912, by Wm. T. Davis. 
TABANUS LIORHINUS Philip 
(Pig. 75, A) 
Tabanus liorhinus Philip, Canad. Ent. 68: 151-152, 1936. 
Rather small; grayish, with three rows of pale spots on abdomen; legs 
nearly uniformly reddish brown; subcallus denuded; palpus very short, stout; 
antenna rather slender, the base of third segment orange; vein R, with stump 
vein. 
FieurE 75.—Antenna, front view of head, and palpus of (A) TYabanus liorhinus and 
(B) T. melanorhinus. 
Female.—Length 138-15 mm. Eye with rather sparse, short pile, dark purple, 
with four bluish-green diagonal bands. Frons gray, faintly tinged with yellow, 
about three times as high as width at base, widened above; basal callus shiny 
dark brown, subquadrate, touching eyes; median callus a short, rather stout 
projection above; ocellar tubercle small, distinct, orange; subcallus denuded 
except around lateral and ventral margins, concolorous with basal callus. 
Antenna with first and second segments and basal half of basal portion of third 
orange, the remainder black; first two segments with short black hair; third 
with a short, obtuse, dorsal angle, a very shallow dorsal excision, and the 
annulate portion nearly or quite as long as basal portion. Clypeus and genae 
gray, with some dark hair above, but mostly pale haired. Palpus creamy white, 
the second segment with pale hair and on apical half with scattered black hair, 
very short and swollen, with apex acute. 
Mesonotum dark gray, with light-gray stripes in usual pattern and yellowish 
brown from humeral lobe over prescutal lobe to scutellum. Pleura and coxae 
yellowish brown, with a mixture of black and white hair; sternum dark gray. 
Wing hyaline, with a stump vein and a very faint brownish spot at furcation. 
Legs reddish brown, the apices of tibiae and the tarsi darker; hind tibial fringe 
black. 
Abdomen above dark brownish black, faintly tinged with orange laterally, 
with a median row of gray triangles and sublateral oblique spots on tergites 
2-5; venter nearly uniformly dull reddish brown. 
Male—Hye densely pilose, particularly above, the areas of large and small 
facets rather distinctly differentiated ; frontal triangle pollinose, the upper por- 
tion brown, lower portion gray; palpus stout, yellowish brown, with black 
and paler hair. Sides of tergites 2-5 rather strongly orange brown. 
Type.—A female in the Canadian National Collection. The allotype 
male in the C. B. Philip collection; four paratypes in the United 
States National Museum, No. 51975; other paratypes in the Museum 
of Comparative Zoology, the Canadian National Collection, and the 
collection of the University of Minnesota. 
