244 DIPTERA OF AUSTRALIA, 



first and second longitudinal veins, middle cross-voin and basal 

 half of fourth longitudinal vein brown. Costal and third longi- 

 tudinal veins meeting at a point much before apex of wing ; 

 auxiliary vein joining costa nearly opposite tip of posterior branch 

 of fifth longitudinal fork; second longitudinal vein reaching margin 

 midway between tips of first and third longitudinal veins ; fourth 

 longitudinal vein nearly reaching wing-margin, its tip situated at 

 a point considerably nearer to tip of anterior branch of fifth longi- 

 tudinal fork than to that of costal vein ; base of fifth longitudinal 

 fork lying somewhat beyond middle cross-vein, its posterior branch 

 1 the length of anterior. 



Hah. — Woronora, N.S.W. (Skuse). Two specimens. September. 



233. Ohiroxomus Tepperi, sp.n. (PI. xi., fig. 6). 



^. — Length of antennae 0'027 inch ... 0-68 millimetre. 



Expanse of wings 0-165 x 0-045 ... 4-]8xl-13 



Size of body 0-200x0-035 ... 5-08x0-88 



Antennae black ; first joint of scapus somewhat ochreous, 

 more or less hoary. Head, clypeus, and palpi brown, with 

 yellow hairs. Thorax black, opaque, hoary, with three longi- 

 tudinal rows of yellow hairs ; pleurae, pectus, scutellum and 

 metanotum black, hoary ; scutellum fringed with long yellow 

 hairs. Halteres pale yellow. Abdomen more than twice the 

 length of thorax, dusky brown or black, levigate, a little hoary, 

 tolerably clothed with pale yellow hairs ; lamellae of ^ ovipositor 

 ochreous. Legs with a yellow pubescence. Tibial spurs black. 

 Femora and tibiae brownish-ochreous, the apex of former and base 

 and apex of latter dusky brown. Metatarsi brownish-ochreous, 

 their tips and remaining tarsal joints dusky brown. In fore legs 

 metatarsus not J longer than tibia. Wings about the length of 

 abdomen, hyaline, a little iridescent, with ochre-yellow veins. 

 Costal and third longitudinal veins meeting a little before apex of 

 wing ; auxiliary vein extremely indistinct, apparently terminating 

 near costa a short distance past middle cross-vein ; second longi- 

 tudinal vein very pale and indistinct, joining costa at a point ^ 



I 



