Tabaniclce of the Australian Region. 29 



forehead tawny, with sparse white tomentum; posterior part 

 of forehead black, with brown tomentum ; callus indistinct ; 

 ocelli present. Antennae bright tawny. Eyes with white 

 pubescence, short and indistinct. Thorax (denuded) shining 

 black ; a testaceous stripe above the base of wings, with 

 traces of white hairs ; sides testaceous, with whitish tomen- 

 tum. Abdomen (denuded), first segment testaceous, second 

 blackish, with the sides and the posterior border testaceous, 

 the others shining black ; underside brown, changing to 

 white, segmentations white. Tarsi brown. Wings at base 

 and on fore border a little reddish ; stigma yellow. From 

 the east coast of New Holland. Museum." 



This must be very nearly related to D. ruficornis, Macq., 

 if not the same ; the type of the latter is in the Lille Museum, 

 or was some years ago. 



A small reddish-brown species, with yellowish- white tufts 

 of hairs at sides of thorax and base of wings. Frontal callus 

 small, often very indistinct. Antennas and legs reddish 

 yellow. 



Length 9-10 mm. 



Face reddish yellow, covered with grey tomentum, and 

 with short black pubescence, centre convex, divided from 

 the cheeks by a deep furrow. Beard yellowish. Palpi 

 orange-rufous, wide at base, ending in a long fine point, 

 with a few black hairs very similar to those of D. testacea, 

 Macq., from which species it may be distinguished by its 

 smaller size and darker colouring and tuft-like hairs on 

 thorax. Antenna same as those of D. testacea. Forehead 

 parallel, about four times as long as it is broad, reddish 

 brown, with grey tomentum, which is most noticeable ante- 

 riorly ; posteriorly the forehead is darker ; frontal callus 

 appears as a small round black spot, or, if denuded, as pear- 

 shaped. Eyes with distinct dark pubescence. Thorax 

 mummy-brown, with yellowish-grey tomentum, often ap- 

 pearing as three narrow stripes ; shoulders with dark hairs, 

 sides from thence to scutellum with thick yellowish tufts of 

 hairs. Scutellum same as thorax, with some short dark 

 pubescence. Abdomen same colour as thorax, but reddish on 

 sides of first two segments and on posterior borders of the 

 others, with whitish- or yellowish-haired median spots from 

 the first or third segment to apex, and fringes of short 

 yellow hairs on the posterior borders of the fifth and sixth 

 segments at least ; underside covered with yellowish-grey 

 tomentum. Legs uniformly reddish yellow. Wings clear, 

 yellowish at base and on fore border ; veins reddish yellow ; 

 no appendix present ; first posterior cell widely open. 



