272 DIPTERA OF AUSTRALIA, 



former levigate with three longitudinal rows of yellow hairs; 

 intermediate row terminating at middle ; scutellum yellow. Hal- 

 teres pale yellow. Abdomen about twice the length of thorax, 

 prasinous, with yellow hairs ; lamellae of the ovipositor ochreous- 

 yellow. Legs ochreous-yellow. Tibial spurs black or deep brown. 

 In the fore legs metatarsus three times the lensjth of tibia. Wins^s 

 longer than entire body, hyaline, with brassy and roseous reflec- 

 tions ; the veins yellow. Costal and third longitudinal veins 

 meeting considerably before apex of wing ; auxiliary vein very 

 pale and indistinct, reaching costa mid-way between middle cross- 

 vein and tip of first longitudinal vein ; first longitudinal vein 

 reaching costa mid-way between middle cross-vein and tip of 

 costa, and opposite middle of anterior branch of fifth longitudinal 

 fork ; second longitudinal vein very indistinct, reaching costa J 

 the distance from tip of first longitudinal to that of third 

 longitudinal ; middle cross-vein very little oblique, third longitu- 

 dinal appearing as a continuation of it ; fourth longitudinal very 

 indistinct beyond cross-vein, nearly reaching wing-margin, its tip 

 situated at a point about mid-way between tip of costa and that 

 of anterior branch of fifth longitudinal fork ; base of latter lying 

 a little beyond the middle cross-vein, its posterior branch about J 

 the length of anterior. 



Hab. — Berowra, Hexham Swamps and Sydney, N.S. W. (Masters 

 and Skuse). April to July. 



262. Tanytarsus fuscithorax, sp.n. (PI. xii., fig. 22). 



^. — Length of antennae — inch ... — millimetre. 



Expanse of wings 0-080x0-017 ... 2-02 x 0-42 



Size of body 0-090 x 0016 ... 2-27 x 0-40 



Basal joints of antennae (remainder lost) brown. Head, 

 face, and clypeus brown or brownish. Palpi ochreous-yellow. 

 Thorax brownish, opaque, with three brown stripes, lateral ones 

 dark ; three longitudinal rows of yellow hairs ; intermediate one 



