BY FREDERICK A. A. SKUSE. 133 



palpi black; joints of scapus brownish-fulvous, the flagellar joints 

 black ; in ^ almost filiform, about the length of a wing ; in ^ 

 short, the first four or five joints subcylindrical, the remainder 

 almost linear. Collare dull brown. Thorax dull, yellowish-grey, 

 with four more or less distinct brown stripes, the intermediate 

 ones approximate, sometimes confluent, the lateral ones short, 

 starting below the humeri ; pleurae hoary greyish ; scutellum and 

 metanotum fulvous or brownish-fulvous. Halteres brownish. 

 Abdomen brown, shining in ^, with a distinct hoary bloom in 

 (^; the first segment, anterior half of second, the anterior margin 

 of some of the following, and the pectus, more or less brownish- 

 fulvous or testaceous ; last one or two segments black. Coxae 

 ochreous or fulvous, with a hoary bloom. Femora fulvous, black 

 at the apex. Tibiae darker than the femora, growing black at 

 apex. Tarsi black. Wings with a greyish or very pale brownish 

 tint ; the anterior border brown (not so dark as the stigma), not 

 so distinctly in first basal cell as in M. costalis; veins dark brown ; 

 anal angle slightly angulated a little before the tip of seventh 

 longitudinal vein, inconspicuous in both sexes ; the latter vein 

 running rather close to and parallel with the margin. 



Hab.— Mount Kosciusko, 5000-6000 feet, N.S.W. (Helms). 

 March. Several specimens in Coll. Australian Museian. 



III. ^ and ^ antennce short, 



428. Macromastix Mastersi, sp.n. (PL v., fig. 23.) 



(J. — Length of antennae. 0-105 inch ... 2.67 millimetres. 



Expanse of wings 0-600 x 0-135 ... 15-24 x 342 



Size of body 0-400x0-090 ... 10-16x2-27 



Head (PL vi., fig. 52) yellowish -ferruginous, with two small 

 indistinct brownish spots between the eyes ; frontal tubercle 

 rather prominent ; rostrum ferruginous, as long as the head ; 

 nasus dusky ; suctorial labella and palpi black, or dark 

 brown ; antenna? about the length of head and rostrum 

 taken together; joints of scapus ferruginous, also the 



