Tabouidaj of the Australian Region, 271 



Type (male) in German Entomological Museum^ also from 

 Celebes. 



Two males and two females from Toli-Toli, N. Celebes, in 

 Mr. Wainwright's Coll. 



This species appears as yet only recorded from Celebes, 

 and the male has not been previously recorded. A 

 handsome iiy with very dark brown wings, the discal cell 

 clear. Abdomen black with grey spots. JScutellum grey. 



Length, ^ 21 mm., ? 22 mm. 



Face covered with brown tomeutum, but with a white 

 triangular spot in tlie centre, with rather thick black 

 pubescence. Eeard black. Palpi large, ending in an 

 obtuse point, dull reddish yellow with black hairs. AntenncB 

 dull reddish yellow but paler, the first two joints with black 

 hairs. Forehead very narrow, quite ten times as long as it 

 is broad, and only half as broad anteriorly as it is at the 

 vertex ; frontal callus reddish brown, not reaching the eyes, 

 narrow with a long lineal extension. Thorax black, with 

 traces of grey tomentum anteriorly, and with black and dull 

 reddish inconspicuous pubescence, and a tuft of white hairs 

 above and below base of wings. Scutellum covered with 

 ashy-grey tomeutum and with white hairs. Abdomen black, 

 the ashy-grey spots are situated on the second and third 

 segments, and sometimes there is a trace of one on the 

 fourth segment, almost semicircular in shape, M'ith some white 

 hairs, pubescence otherwise on dorsum black. Legs black, 

 the pulvilli golden brown. JVings rich brown in colour with 

 streaks of white in the centre of most of the cells, the 

 discal cell almost entirely clear, and the base of the second 

 submarginal cell pale, the apex on its posterior border quite 

 clear, as far as the sessile ending of the first posterior 

 cell. 



Male is similar, the head large, the large facets of eyes 

 occupying not quite two-thirds of the surface. Palpi reddish 

 brown, with thick black pubescence. 



Group VII. 



Species with oue or more stripes, usually continuous, on abdomen. 

 Tahanus concolor, Walker, List Dipt. i. p. 179 (1848). 



Type (female) from New Holland {Hunter). 



A dull-coloured species, not in very good preservation. 

 Antennae blackish. Abdomen hair-brown, with a faint grey 

 tomentose median stripe. Legs brownish, the tibiae reddish. 



Length 12 mm. 



Face yellowish white with white hairs. Beard white. 



