250 DIPTERA OF AUSTRALIA, 



fj and 9. — Antennae smoky-brownish ; first joint of scapus deep 

 black, somewhat hoary when viewed in a certain light. Head 

 and clypeus brown or black. Palpi brown. Thorax greyish-black, 

 with a very fine median furrow beset with short yellow hairs 

 and two parallel lateral rows of rather long yellow hairs ; pleurae, 

 pectus, scutellum and metanotum deep brown or black, scutellum 

 fringed with long yellow hairs. Halteres yellow. Abdomen in 

 ^ about three times, in the 9 aboutr twice, the length of thorax, 

 deep brownish-black, densely clothed with yellow hairs ; $ anal 

 joint and forceps deep brownish-black. Legs very pale ochreous- 

 yellow, densely clothed with pale yellow hairs, particularly long 

 and dense in the fore tarsi ; coxae brown, and femora generally 

 with a more or less brownish tinge. In fore legs metatarsus in ^ 

 about 5, in the 9 J, longer than tibia. Tibial spurs black or 

 deep brown. Wings in ^ longer, in ^ shorter, than the abdo- 

 men, pellucid, with several small pale violaceous markings ; one 

 enveloping the fourth longitudinal vein immediately beyond cross- 

 vein, a second between third and fourth longitudinal veins mid- 

 way to apex of wing, a third at apex, one below each of these 

 between fourth longitudinal vein and anterior branch of fifth 

 longitudinal, another at base of fork of latter, and lastly two more 

 behind fifth longitudinal ; veins ochreous-yellow. Costal and 

 third longitudinal veins meeting a short distance before apex of 

 wingj auxiliary vein very pale, joining costa opposite middle of 

 posterior branch of fifth longitudinal fork ; second longitudinal 

 vein indistinct, joining costa at a point 3- the distance from tip of 

 first to that of third longitudinal ; fourth longitudinal vein very 

 pale beyond cross-vein, almost reaching margin, its tip situated 

 almost mid-way between tips of third longitudinal and anterior 

 branch of fifth longitudinal fork, somewhat nearer former; 

 base of fifth longitudinal fork lying somewhat beyond middle 

 cross-vein, its posterior branch about J the length of anterior^ 



Rab. — Wheeny Creek, Hawkesbury District, Berowra, Hex- 

 ham, Armidale and Sydney, N.S.W. (Skuse). January. 



