Tabanida: of the Australian Region. 283 



A small reddish-yellow species with a dull yellowish-grey 

 abdominal median stripe on a black ground-colour. Antennas 

 and legs reddish yellow. Forehead broader anteriorly. 



Length 9k mm., other female l(H. 



Face covered with greyish tomentum and with some 

 brown and white hairs. Beard white. Palpi chamois- 

 coloured, hairy, slender, only slightly stouter on basal half, 

 ending in a point ; pubescence yellowish white at base. 

 Antenna Mars-yellow, the first two joints with black hairs, 

 the third joint with very small angle representing tooth at 

 base. Forehead covered with greyish tomentum, distinctly 

 broader anteriorly, barely three times as long as it is broad 

 anteriorly; frontal callus large, nearly square, not reaching 

 the eyes, with a short thick extension. Eyes very slightly 

 pubescent. Thorax blackish with grey tomentum, shoulders 

 reddish, dorsum with some appressed fulvous hairs. Scutel- 

 luui identical. Abdomen ochraceous-orange ; ground-colour 

 of median stripe and the last segments black, the pale 

 colour covered with some grey tomentum ; the median spots 

 forming a short nearly continuous stripe from the second to 

 the sixth segment, large, triangular-shaped, hardly apparent 

 in type owing to denudation ; underside wholly pale in 

 colour. Legs Mars-yellow, tarsi dusky-coloured; pubescence 

 on femora white, elsewhere black ; femora with greyish 

 tomentum. Wings clear, veins pale brown, stigma yellowish ; 

 appendix present. 



Tabanus umbripennis, $ , Ricardo. 



Tabanus cinereus, Walker, List Dipt. i. p. 167 (18-48), noraen bis 

 lectuin. 



Type (female) from W. Australia. 



A black species covered with grey tomentum. Antennas, 

 palpi, and legs blackish. Recognised at once by the wings, 

 which have the cross-veins and longitudinal ones shaded 

 with brown. 



Length 16 mm. 



Face blackish covered with grey tomentum and with some 

 short white hairs. Beard chiefly brown, some white hairs 

 below. Pa/pi appear blackish covered with dense grey 

 tomentum and with short black pubescence, on the inside 

 they are reddish yellow. Antenna black, stout, the first two 

 joints with short black hairs, the third broad at base with a 

 distinct tooth, apical joints are broken off. Forehead very 

 broad, parallel, barely three times as long as it is broad, 

 black covered with grey tomentum : frontal callus pitchy 



20* 



