BY FREDERICK A. A. SKUSE. 817 



length of the fourth ; fifth to ninth joints rather rapidly diminishing 

 in length and becoming more flask-shaped, terminal joint very 

 small, shortly-ovate ; all flagellar joints with long, fine, verticillate 

 hairs, which in the flask-shaped joints are confined to their broad 

 basal portion. Thorax brown, almost opaque ; pleurae, scutellum 

 and metanotum sometimes lighter brown or greyish-testaceous. 

 Halteres light brownish-grey. Abdomen brown, clothed with 

 brown hairs ; genitalia testaceous, densely haired, Legs sooty- 

 brown, with a greyish-brown reflection in a certain light, the coxae 

 and base of femora greyish-testaceous or pale brown. Wings 

 hyaline, the hairs along the veins long, brown ; veins pale ; cilia 

 along the posterior margin very long. Auxiliary vein short, 

 terminating in costa opposite middle of praefurca ; marginal cross- 

 vein pale, situated near base of first sub-marginal cell ; base of 

 latter situated beyond that of second sub-marginal a distance rather 

 greater than length of great cross-vein ; anterior branch of fourth 

 longitudinal vein originating before inner end of first posterior 

 cell a distance equal to once and a-half to twice the length of 

 great cross vein ; discal cell present (it is apparently the posterior 

 branch which is forked, about the middle of its length) ; great 

 cross-vein before, at, or beyond inner end of discal cell ; sixth 

 longitudinal vein a little arcuated at tip ; seventh longitudinal 

 vein very short, reaching posterior margin opposite origin of fourth 

 longitudinal vein. 



Hah. — Sydney and Woronora, N.S.W. (Masters and Skuse). 

 Six specimens. 



339. Tasiocera gracilicornis, sp.n. 



$. — Length of antennae 0*165 inch ... 4*18 millimetres. 



Expanse of wings 0-150 x 0-035 ... 3-81x0-88 



Sizeof body 0-100x0-016 ... 2-54x0-40 



Head, including palpi, rostrum and. antennae, brown, the basaP 

 joints of latter, also paipi and rostrum, sometimes more ochreous y 

 first flagellar joint cylindrical^, slightly narrowed at the apex, very 



