BY FREDERICK A. A. SKUSE. 807 



valves very short. Coxae ochreous. Remaining joints dusky 

 brown, the knees pale yellow or whitish. Wings sub-hyaline 

 (when denuded) ; the veins pale brownish, with dense long hairs 

 covering the cells ; hairs brown, more dense and forming five 

 blackish clouds as follows : — first at the bases of the submar- 

 ginal cells, second at the basal portion of posterior branch of fourth 

 longitudinal fork, another at the middle of third longitudinal vein, 

 another near base of fourth and fifth longitudinal veins, and the 

 last beyond middle of seventh longitudinal vein. 



Hah. — Gosford, N.S.W. (Skuse). One specimen in August, 

 Taken flying about a tree-trunk. 



327. MoLOPHiLUS Froggatti, sp.n. 



9. — Length of antennae 0-090 inch ... 2 27 millimetres. 



Expanse of wings 0-290 x 0-080 ... 7-35x2-02 



Sizeof body 0-320x0-045 ... 8-12xM3 



Head brown, pruinose with greyish ; front with short black 

 hairs ; occiput with long golden-yellow hairs, rostrum, palpi, and 

 antennae black, the two basal joints of the latter brown ; flagellar 

 joints sub-cylindrical. Thorax light greyish-brown, dull, with 

 three darker though indistinct brown stripes ; intermediate stripe 

 double ; humeral pits and suture deep shining brown ; pleurae 

 with a hoary bloom. Halteres pale ochreous-yellow. Abdomen 

 brown, somewhat greyish, tolerably shining, clothed with brown 

 hairs ; venter ochreous-yellow ; ovipositor rather long, curved, 

 ferruginous. Legs obscure testaceous, densely clothed with hairs 

 which exhibit a yellow reflection when viewed at a certain 

 obliquity ; tibiae black at tip ; apical half of first and whole of 

 remaining joints of tarsi black. Wings with a light greyish- 

 brown tint ; veins yellowish-brown, densely and uniformly beset 

 with long brown hairs. Second sub-marginal cell longer than the 

 first posterior ; inner end of third posterior cell opposite that of 

 first sub-marginal cell ; great cross-vein long and very oblique, 

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