of the Genus Pelecorhynchus. 407 



russet, dark brown at apex, not reaching the extreme apex, 

 most intense round the second and third veins on their apical 

 third, extending as a lighter shade in the submarginal, all 

 posterior, and the discal cells, and on the apical half of the 

 second basal cell ; all cells open, the anal vein curved ; the 

 alulaj brown, fringed with white hairs. Hal teres brown. 



Pelecorhynchus fusconiger, Walker. 



List Dipt, i. p. 192 (1848) [? Si I inns'], et v. Suppl. i. p. 267 (1854) 

 [Dasybasis] ; Ricardo, Ann. & Mag. Nat. Hist. (7) v. p. 102 (1900). 



Type ( ? ) from Australia (presented by Lord Derby) (1844), 

 and another female from New South Wales (J. J. Walker) 

 (1904) ; males from Australia {Hunter) and New South 

 Wales, between Sidney and Moreton Bay. 



A species with wings clear, tinged yellowish ; the thorax 

 brownish ; abdomen shining black. Legs blackish. 



Length, females 16-18 mm. ; males 16-17^ mm. 



Face blackish, covered with yellowish-grey tomentum, 

 convex, divided by deep furrows from the cheeks; in the 

 centre on the raised part it is reddish brown, pubescence on 

 face black. Beard yellowish. Palpi reddish, with long black 

 hairs, the second joint egg-shaped. 



Antennae reddish : the first joint blackish, with black hairs ; 

 the second pale reddish, with some black hairs. Forehead 

 nearly as broad anteriorly as it is long, slightly narrower at 

 vertex, yellowish brown with black pubescence and indica- 

 tions of two narrow brown stripes; ocelli shining, blackish 

 brown. 



Thorax same colour as forehead, with black pubescence, 

 some yellowish hairs on basal part; sides with black hairs 

 above and denser pale yellowish hairs beneath them on the 

 posterior half only. Breast blackish, with some brownish 

 tomentum and black hairs; a dense tuft of pale yellow hairs 

 at base of wings. Scutellum similar to thorax, fringed with 

 dull fulvous hairs. 



Abdomen black, shining, with traces of whitish or greyish 

 pubescence. Legs blackish, the anterior and middle tibiaj 

 and tarsi dull reddish yellow. 



Wings clear, veins reddish yellow, slightly tinged with 

 yellow on fore border. 



Male identical; the eyes meet, facets all equal ; upper part 

 of face below antennae covered with dense black pubescence, 

 the hairs lon£-. 



