■674 DIPTERA OF AUSTRALIA, 



length of the second ; second joint about \ longer than the third 

 and shorter than the fourth and fifth together; fourth joint 

 consideralby shorter than the fifth. Wings pellucid, with an 

 almost fuliginous tint, the costal and two first longitudinal veins 

 deep brown ; brilliant roseous and smaragdine reflections when 

 viewed at a certain obliquity. First longitudinal reaching the 

 costa a short distance beyond the base of the fork and opposite 

 to the tip of the anterior branch of the fourth longitudinal vein ; 

 petiole paler than the fork and longer than the anterior branch ; 

 posterior branch short and nearly straight ; tips scarcely divergent. 

 f(/* the same length or almost imperceptibly shorter than gh ; kl 

 rather more than | the length of Im. 



9. — Antennae short, rather slender, not as long as the head 

 and thorax combined ; flagellar joints sub-sessile, very little longer 

 than broad, but towards the end about \ longer than broad; 

 terminal joint twice as long as broad. Abdomen obscure cas- 

 taneous ; lamellae of the ovipositor deep brown, elliptical. Jy 

 slightly longer than gh; kl about "r^ the length of Im. The 

 remainder as in the ^. 



Hah. — Lawson and Glenbrook, Blue Mountains, also Bowral 

 (Masters); Manly, near Sydney (Skuse). 



C. Cross-vein situated beyond the middle of the first longi- 

 tudinal vein. 



c. Tip of the posterior branch of the fork nearer the apex of the 

 wing than tlie tip of the second longitudinal vein. 



97. SciARA SEDULA, sp.n. (PI. XI., fig. 2). 



9. — Length of antennie 050 inch ... 1-27 millimetres. 



Expanse of wings 0-130 x 0-050 ... 3-30x1-27 



Size of body 0-120x0-020 ... 3-04x0-50 



♦ The letters/, g, h, k, I, m have been adopted by Winnertz to indicate 

 the tips of the second lougitudinal, the costal, the anterior and posterior 

 branches of the fork of the third longitudinal, and those of the fourth 

 longitudinal respectively. This will be made clear by reference to the 

 diagram on plate XI. 



