BY FKANK If. TAYLOR. f>9 



Tabanus rorustus, sp n. 



Q. Length, 17; length of wing, 14; width of head, 6 mm. 



Head: face and cheeks covered with white tomentum and 

 pubescence, the latter fairly long on the face; heard white, dense; 

 first two joints of antennae deep red, with black pubescence, and 

 scattered, white and grey hairs on inner sides; third joint miss- 

 ing; palpi reddish-yellow, tapering to a blunt point, pubescence 

 white; subcallus covered with grey tomentum; front broad, nar- 

 rower at vertex, tomentum greyish-white, vertex with brown 

 tomentum; frontal callus black, shining, as wide as front, resting 

 on subcallus, and gradually tapering to a blunt point, ending 

 about the middle of the front; eyes black, pubescence short and 

 pale. 



Thorax pale reddish, with grey tomentum, a broad, median, 

 dark brown stripe terminating on a level with the wing-roots, 

 from whence it is continued to the scutellum as a very narrow 

 line, on either side is a brown stripe the full length of the thorax, 

 and a short one above the wing-roots; shoulders yellowish, lateral 

 pubescence grey, dorsally dark on the stripes, grey elsewhere; 

 scutellum dark, posterior border grey; pleurae grey, with patches 

 of long, grey pubescence. 



Abdomen ; first segment dark, with grey tomentum, posterior 

 border yellowish except centrally, remaining segments somewhat 

 greasy, appearing brown, segmentations paler, with remains of 

 grey tomentum; venter black, segmentations pale, tqmentum 

 grey, pubescence grey, scattered. 



Leys: coxa' and femora grey, with long, grey pubescence, the 

 latter shorter on the femora, fore-tibia; pale red-brown, mid dark 

 red-brown, hind black, pubescence pale, tarsi black, pubescence 

 black, hind-tibia? with a dense white fringe of hairs on the 

 external margin. 



Wings clear; veins dark brown; stigma yellowish-brown; ap- 

 pendix present. 



ffab.^Q.: Brisbane (H. Hacker; 29.10.17). 



A very distinct and robust species, not closely related to any 

 species known to me. The white fringe on the hind-tibiae is very 

 noticeable. 



T v pe in the Queensland Museum. 



