724 DIPTERA OF AUSTEALIA, 



than the intermediate ones, and the latter shorter than the hind 

 femora. In the fore-legs the tarsi longer than the tibiae ] in the 

 intermediate-legs both of about equal length ; in the hind- 

 legs the tibiae somewhat longer than the tarsi. Spurs bright 

 honey-yellow. First joint of the tarsi rather more than twice 

 the length of the second ; second joint almost one-half longer 

 than the third ; fourth and tifth joints of nearly equal length. 

 Wings with a brownish-grey tint ; densely covered with micro- 

 scopic pubescence intermixed with some irregularly dispersed 

 and considerably longer, bent hairs ; rather brilliant pale green 

 and rosy reflections. Veins brownish-grey. First longitudinal 

 vein joining the costa before the base of the fork ; cross-vein 

 situated beyond the middle of the first longitudinal vein ; 

 tip of the second longitudinal vein and the tip of the posterior 

 branch of the fork equally near the apex of the wing ; petiole 

 very pale and indistinct, longer than the anterior branch of the 

 fork ; branches of the fork slightly divergent at the tip ; 

 fourth longitudinal vein pale but distinct ; anterior branch of 

 the fourth longitudinal vein very little arcuated, posterior branch 

 running rather close to the anterior branch for half its length, 

 then turning somewhat abruptly to the posterior margin, fy 

 almost twice the length of gk ; kl a very little shorter than Im. 

 Rudimentary fifth longitudinal vein rather close to the fourth 

 longitudinal before branching, running very close to the posterior 

 branch, and disappearing at about | of its length. 



5. — Antennae longer than the head and thorax together- 

 flagellar joints sub-sessile, 2 to 2| times as long as broad. Thorax 

 more densely pubescent than that of the ^, the lateral longi- 

 tudinal rows of hairs apparently treble. Halteres dusky. Legs 

 dusky-brown with a yellowish tint, having a coarser pubes- 

 cence than in the ^. Abdomen pale umber-brown, with dusky 

 reflections. Wings very densely covered with a somewhat inter- 

 woven pubescence, making the third longitudinal vein verj- indis- 

 tinctly visible. 



Hah. — Como (Pilasters and Skuse). September. 



i 



