718 DIPTERA OF AUSTRALIA, 



Antennae slender, nearly three-fourths the length of the body, 

 black, with a dense short yellowish pubescence ; joints of the 

 scapus black, veiy sparsely liaired ; flagellar joints visibly pedi- 

 celled, the pedicels ^ the length of the joints ; joints twice as long 

 as bi'oad, the terminal one a little longer. Head black. Eyes 

 contiguous above. Palpi yellowish. Thoiax black, le%'igate, with 

 three longitudinal double rows of yellowish hairs, the intermediate 

 row scarcely perceptible, apparently terminating befoi'e the middle 

 of the thorax, and the lateral ones extending nearly to the 

 scutellum, the hairs sparse, long ; also some long yellowish setse on 

 the latei'al borders, and on the scutellum. Haltei'es dusky brown, 

 with a few short hairs, the stem yellowish. Abdomen as broad 

 as the thorax, obscure olivaceous, pale between the segments and 

 underneath ; rather sparsely haired ; forceps rather wider than 

 the terminal .segment, densely pubescent. Coxfe and femora 

 yellowish-brown ; tibiie and tarsi dusky brown, the last four tarsal 

 joints black. In the fore-legs the tarsi longer than the tibiae 

 by the last joint ; in the intermediate-legs the tibiae and tarsi 

 almost of equal length, the tilnae being somewhat longer ; in the 

 hind-legs the tibiae a very little longer than the tarsi. Spurs 

 shorter than the fourth tarsal joint. Fii'st joint of the tarsi 2^ 

 times the length of the second; second joint 1 longer than the third ; 

 third joint about \ longer than the fourth and somewhat longer 

 than the fifth. Wirgs almost hyaline, but having a yellowish tint, 

 the costal and tirst two longitudinal veins umber-brown ; rather 

 weak opaline reflections. First longitudinal vein reaching the 

 costa some distance befoi'e the base of the foi"k ; cross-vein some- 

 what indistinct ; petiole much paler than the fork and shorter 

 than the anterior branch ; branches almost imperceptibly divergent 

 for the whole of their length, not at the tips ; the posterior branch 

 very little arcuated at the base ; branches of the fourth longitudinal 

 vein more distinct than the last, fy nearly twice ^r A; kl somewhat 

 longer than Im. 



Hah. — Berowra (Masters and Skuse). August. 



