new Species o/Tabani. 313 



Talanus conspicuus, ? , sp. n. 



Tj'pe and two otlier females from Yoiuti, Juba River, 

 about 20 miles from moutli, E. African Protectorate, Feb. 

 1905 (Major L. 11. R.Pope Hennessey). " Flew into cabin 

 of steam launch." 



A handsome medium-sized species, easily distinguished 

 by its large size, yellow legs and antennse, and by the light 

 yellow abdomen with only one grey median stripe hardly 

 bordered by any darker colour, and lastly by its striped thorax. 



Length 19 mm. One specimen measures only 16 mm. 



Head large, wider than the thorax. Face reddish, covered 

 with dense white tomentum, so that it appears whitish, with 

 long white hairs below the antennEe; beard white. Palpi 

 large, white, with no black pubescence, stout at base, pro- 

 longed to a point. Antennae reddish, at apex black ; the first 

 joint with grey tomentum and black pubescence, cap-shaped ; 

 the second smaller, cup-shaped, with black pubescence; the 

 third long -with a moderate tooth. Forehead fairly broad, 

 about five times as long as it is broad, and the same width 

 throughout, the same colour as the face, but posteriorly more 

 yellow, or altogether yellower : the callus reddish brown, 

 shining, large, oblong, not reaching the eyes, prolonged as a 

 stripe which is not always united to it and is often divided 

 into two lengths, the last half being shorter, not reaching the 

 vertex. Eyes with no stripes or markings. Thorax brown, 

 with greyish-yellow tomentum forming three stripes, the 

 median one narrower; sides greyer; pubescence short, scanty, 

 and yellow, with some longer yellow hairs at the sides, 

 bordered by black hairs above; breast grey, with whitish 

 pubescence ; scutellum the same colour as thorax. Abdomen 

 large, yellow, with a central stripe of white tomentum com- 

 ])Osed of triangular-shaped sj)ots with long aj)ices each united 

 to the preceding one; spot on the first segment is not always 

 discernible ; on the second segment the triangular shape is 

 nearly obsolete ; the stripe has a faint reddish border on each 

 side, which after the fourth segment becomes black; the 

 pubescence on the dorsum is short and black, intermixed with 

 yellow pubescence, which is thicker at the sides; the sides 

 of the first two segments have some grey tomentum ; under- 

 side yellow, with \cry narrow white segmentations, becoming 

 darker at the apex. Legs reddish yellow; tibia? yellower; 

 the coxie covered with grey tomentum ; the fore tarsi and 

 extreme apex of tibitu l)lack, the otlier tarsi brownish ; the 

 pubescence on the fore coxie and femora silvery white, on 

 the others shorter and yellow ; on the tibiae it is the same, but 



