HORSEFLINS OF THE SUBFAMILY TABANINAE 29 
of erect white and black hairs, the latter few in number. Proboscis brown, 
short. 
Mesonotum dull brown, the mesoscutum with a very narrow, pale, median 
line divided by a dark line, a pair of bluish-gray sublateral stripes, and some 
gray laterally; prescutal lobe reddish gray, with biack hair. Pieura, sternum, 
and coxae gray, with white hair. Wing hyaline, the costal cell and stigma 
yellowish, veins dark brown. Legs yellowish, the bases of femora and apices 
of tarsi somewhat infuscated; hind tibial fringe black, the hairs long and 
sparse. 
Abdomen brown, with a pair of sublateral light-gray stripes, each about as 
wide as median brown stripe; posterior margins of tergites with a fringe of 
short yellowish hair; venter nearly uniformly yellowish brown, with concolor- 
ous hair. 
Male.—Eye densely pilose, the areas of large and small facets clearly dif- 
ferentiated, the small facets extending around outer margin to vertex in a 
narrow band, but the lower, outer corners of area of large facets rectangular. 
Frontal triangle gray, not protuberant. First two antennal segments and sec- 
ond palpal segment cream colored, with long black and white hair. Coloration 
of body essentially as in female, the sublateral pale stripes on abdomen faintly 
tinged with orange. 
Described from a specimen collected in April in Riley County, 
Kans. 
Cotypes—Nine females, now lost. 
Type locality. —Glencoe, Nebr. 
Distribution. —Nebraska, Kansas, Oklahoma. April 21 (Ardmore, 
Okla.), to May 28 (Onaga, Kans.). In the United States National 
Museum, eight females, one male. 
ANACIMAS LIMBELLATUS Enderlein 
(Fig. 10, A) 
Anacimas limbellatus Enderlein, Deut. Ent. Ztschr. 1923: 545; Mitt. Zool. Mus. 
Berlin ale. 1925, 
Rather small; brownish, with an indistinct, dark, median stripe on abdomen ; 
basal portion of third antennal segment distinctly convex below, dorsal angle 
about at mid-length. 
Female.—Length 18 mm. Eye with sparse, short pile. Frons yellowish 
brown, parallel-sided, two and one-half times as high as wide; basal callus 
shiny, orange brown, touching eyes, rounded above and slightly wider than 
ot 
Figure 10.—Antenna, front view of jhead and palpus of (4) Anacimas limbellatus and 
B) A. geropogon. 
high; median callus shiny, nearly black, circular, strongly protuberant, about 
two-thirds width of frons and connected to basal callus by a narrow denuded 
line; vertex with no denuded area but with a median depression; subecallus 
moderately convex, yellowish brown, the median groove pronounced. Antenna 
yellow, the first two segments with long black hair, third with scattered black 
hair on dorsal angle and on annulate portion; first segment about as broad 
as long, not swollen dorsally; second with blunt dorsal angle; basal portion 
of third distinctly convex below, with a rounded angle above at about middle 
and no excision, its greatest width about three-fourths its length; annulate por- 
tion slightly shorter than basal portion, with four indistinct annuli. Clypeus 
and genae gray, with white hair. Palpus pale yellowish, the first segment 
globose, with long white hair, second short and stout, tapering to a blunt apex, 
with long, erect, black hair. Proboscis very short. 
