676 DIPTERA OF AUSTRALIA, 



Antenna} deep brown, with short yelhnvish puV>e.scence ; slender, 

 half the length of the body ; joints of the scapus very sparsely 

 haired ; flagellar joints sub-sessile, very little longer than 

 broad at the base, towards the tip twice as long as broad, 

 the terminal joint longer. Head black. Eyes contiguous 

 above. Palp'i black, or very deep brown. Thorax black, 

 levigate, with two rather indistinct rows of short haiis 

 from the coUare to the scutellum ; scutellum black or deep 

 brown, levigate, with long hairs. Halteres V>rown, with short, 

 sparse pubescence, the stalk sordid ochraceous. Abdomen black, 

 with a moderately long, somewhat dense pubescence ; lamellae 

 of the ovipositor black, elliptical. Legs pitch-brown. In the 

 fore-legs the tarsi a little longer than the til^iae ; in the inter- 

 mediate-legs the tibiae somewhat longer than the tarsi ; in the 

 hind-legs the tibiae about a quarter longer than the tarsi. Spur-s 

 honey-yellow, longer than the fourth tarsal joint. First joint of 

 the tarsi rather more than twice the length of the second ; second 

 joint somewhat longer than the third; third and fifth joints of 

 equal length, and one-third longer than the fourth. Wings 

 pellucid, almost fuliginous, with the costal and two first longi- 

 tudinal veins almost black ; weak opaline reflections. First 

 longitudinal vein reaching the costa immediately opposite the 

 base of the fork ; cross- vein very indistinct, situated immediately 

 beyond the middle of the first longitudinal ; petiole paler 

 than the fork, shorter than the posterior branch ; branches 

 running almost parallel to one another, scarcely divergent at 

 at their tips, the posterior branch very little arcuated, fg rather 

 more than three times the length of gh; kl a little shorter than Im. 



Hah. — North Waratah, near Newcastle (Skuse). May. 



B. Halteres yellow or whitish. 



99. SciARA RECIPROCA, Walker. 



Sciara reciproca, Walker^ Insecta Saundersiana, Vol. I. Diptera, 

 1856, p. 420. 



