380 DIPTERA OF AUSTRALIA, 



^ Antennae greyish ; alternate joints less than twice the length 

 of the intermediate globose ones ; pedicels twice the length of the 

 smaller joint towards tip of antennae ; verticillate hairs pale, some 

 scale-like, rather short, dense ; 9 antennae brown ; joints cylin- 

 drical, with very short pedicels ; verticils short, yellowish ; ^ and 

 9 terminal joint with a slender projection. Front, hypostoma, 

 and palpi brown or brownish. Thorax yellow, sometimes very 

 pale, sometimes more brownish, levigate, with yellowish hairs. 

 Halteres pale yellow. Abdomen brown, sometimes deep brown, 

 sometimes lighter or more yellowish-brown, densely haired ; geni- 

 talia yellow. Legs long and slender. Coxae usually pale yellow. 

 Remaining joints brown or brownish, the tip of the tibiae, base of 

 third tarsal and whole of two following joints yellow. Wings of 

 about same size and shape in both sexes, pellucid, with a very 

 faint brownish tint, densely covered witli a very short pale 

 pubescence ; silvery reflection ; veins pale ochreous. Costal very 

 distinct ; cross-vein not distinguishable ; second longitudinal vein 

 reaching the margin beyond the apex of wing ; third longitudinal 

 straight until it forks, the branches indistinct. (Description 

 drawn from dried specimens). 



Ilab. — Dunoon, Richmond River, N.S.W. (Helms). Twenty- 

 two specimens in March and April. 



Obs. — Probably comes nearest to D. sul/urea, Sk., but very 

 distinct from any species hitherto described from Australia. 



35. DiPLOSIS PARILIS, Sk. (PI. XVI., fig. 3). 



J), par His, Sk., I.e., p. 87. 



Bred from irregular-oval, reddish-brown blisters, 3 to 4 mm. 

 long, having an ochreous-yellow or pale brownish slit (1 to 1-j mm. 

 in length) in the middle ; occurring very numerously on the 

 upper side of the leaves of Eucalyptus corymhosa, obtained by 

 Mr. Froggatt, in November, at Waverley, near Sydney. The 

 blisters extend through the leaf, being represented on the under 

 side by very slightly raised brown patches. As many as forty or 

 fifty blisters sometimes occur in one leaf ; they are usually 

 dispersed over the surface, but occasionally form clusters of three 



