Tabanidre of the Australian Reg/on. 279 



shoulders ; the posterior borders of thorax appear grey 

 tonieiitose. Scutellum blackish, with traces of ^hite hairs 

 oil its borders. Abdomen blackish, all the segmentations 

 grey touientose, with white hairs ; traces of white median 

 spots appear on the type and are distinct in the fresh speci- 

 mens on the secondj third, and fourth segments ; pubescence 

 elsewhere on dorsum black; sides of the first two segments 

 are inclined to be leddish in colour. Leys blackish, femora 

 uith grey tomentum, the tibite yellouish, as is also the first 

 joint of the tarsi ; pubescence black, with long and short 

 hairs on the sides of the tibite. Winys clear, an appendix 

 present, veins and stigma blackish. 



Tahanus antecedens, ? , Walker, List Dipt, i. p. ITS (1848) ; 

 <i , List Dipt. V. p. 253 (1854). 



Type (female) from Van Diemen's Land, and a series of 

 females from Mts. of A'ictoria (C French), 190 J ; one from 

 Tasmania, presented by ^Ir. A. White ; and oihe)'s fioni 

 Dandenong Ranges, Victoria (French Coll.). 



A blackish species larger than Tabaaus imperfect us, Wile, 

 with pale slender palpi^ a hairy face, dark anteiinse, and 

 forehead parallel or almost so, with a large square frontal 

 callus. Abdomen with grey .segmentations and often indis- 

 tinct, grey-haired, triangular median spots. 



Length 12-13 ram. 



Face covered with ashy-grey tomentum and with black 

 Ijairs, with which are intermixed a few shorter white hairs ; 

 lower part of face pale reddish. Falpi pale reddish yellow, 

 covered with grey tomentum on basal half and with rather 

 long black hairs, intermixed with white hairs on basal half, 

 which is stout, the apical half slender, ending in a point. 

 Beard composed chieHy of white hairs. Anteiuns blackish, 

 the first two reddish yellow with black hairs, the third rather 

 broad at base, with a distinct angle representing the tooth. 

 Forehead parallel or slightly narrower at the vertex, the sub- 

 callus usually covered with greyish tomentum, often denudi d 

 and appearing reddish ; the frontal callus is large, reaching 

 the eyes, almost square, shining reddish brown or black, 

 with a short extension ; some rather long black pubescence 

 is present on the forehead, which is covered with greyish 

 tomentum ; at the vertex a tuft of long black hairs is a 

 characteristic of this species. Eyes with thick pubescence. 

 Thorax blacki-sh, with four lineal slaty -grey tomentose stripes, 

 not always very distinct ; shoulders pale reddish ; pubescence 

 on thorax long, black, with some interspersed pale short 



