94 DIPTERA OF AUSTRALIA, 



of the smallness of the discal cell; discal cell pentangular, half 

 the length of the first posterior cell in H. cinerascens and //. orna- 

 tipes, not quite the length of the petiole of second submarginal 

 cell in //. remota ; fifth posterior cell in punctif orm contact with 

 discal at the middle of its length. 



404, Habromastix cinerascens, sp.n. (PI. v., fig. 11.) 



^. — Length of antennse 0470 inch 



Expanse of wings 0-600 xO-135 



Size of body 0-530 x 0-060 



<^. — Length of antennse 0-180 inch 



Expanse of wings 0-640x0-150 



Size of body 0-530x0-060 



11-93 millimetres. 



15-24x3-42 



13-46x1-54 



4-56 millimetres. 

 16-25x3-81 

 13-46x1-54 



Slaty-grey, opaque. Front with a brown median stripe, broader 

 posteriorly. Rostrum hairy, usually tinged with black at the 

 tip and sides ; suctorial labella and palpi usually black or brown ; 

 flagellar joints of antennse black or brown ; ^ antennae 11 -jointed, 

 about f the length of entire body, flagellar joints long, filiform, 

 densely clothed with minute erect hairs, gradually decreasing in 

 length, the terminal joint short, less than \ the length of pre- 

 ceding joint ; 2 13-jointed, about length of thorax, flagellar joints 

 gi-adually decreasing in length, clothed with extremely minute 

 hairs. Thorax with white hairs ; humeral pits and sutui'e 

 between pronotum and collare black ; four prominent dark brown. 

 stripes before the suture, intermediate pair approximate, 

 extending from pronotum to suture, lateral ones short, extending 

 from below humeri to suture ; a pair of dark brown spots on 

 each side behind the suture and opposite the lateral stripe, the 

 anterior spot small, roundish, the hinder one large, almost 

 triangular ; transverse suture black towards the middle. Halteres 

 ochreous, with infuscated club. Genitalia testaceous. Legs 

 black, the basal portion of femora and the trochanters fulvous. 

 Wings with very much the appearance of ground glass ; some- 



