58 DIPTERA OF AUSTRALIA, 



Besides these two veins there is neither a wing-fold nor the rudi- 

 ment of another vein." 



g"' Sydney (Novemher and December). 



Bred by Frauenfeld from small excrescences on the leaves of a 

 species of Callistemon. 



Genus 2. Miastor, Meinert. 



Meinert, Nat. Tidskr. (3), III., 1864, p. 106 ; Schiner, V. z.-b. 

 G. Wien, 1865, p. 87 ; H. Loew, Berl. E.Z. 1864, p. viii. ; 

 Winnertz, V. z.-b. G. Wien, 1870, p. 5, pi. i. 



Eyes separated in both sexes by a broad forehead. Antennae 

 2--t- ll-jointed ; the basal joints cupuliform ; the flagellar joints 

 in the ^ ovate with short pedicels and long verticillate hairs, in 

 the 9 moniliform, sub-sessile, with short vei'ticils. Prothorax 

 arched. Legs slender in the ^, shorter and more robust in the 9 j 

 the tarsal joints of unequal length. Wings almost bare, appearing 

 granulate under a high power ; three longitudinal veins ; cross- 

 vein sometimes present (PI. 11., fig. 2). 



This generic name I think at present does not designate more 

 than half-a-dozen species, and those described below are the only 

 ones I know occurring out of Europe. Some, if not all, of the 

 species undergo their transformation under the bark of decaying 

 timber, 



2. Miastor procax, sp.n. 



9. — Length of antennjB 0"012 inch ... 0-29 millimetre 



Expanse of wings 0-035x0010 ... 0-88 x 0-25 



Size of body 0-040x0005 ... 1-01x0-12 



Antennre about as long as the thorax, joints globose, pale brown,, 

 decreasing in size towai-ds the tip, the last two joints somewhat 

 elliptical ; basal joints yellowish, second one larger than the first. 

 Hypostoma and palpi pale brown ; front darker. Thorax chest- 

 nut brown, nitidous, with pale hairs ; pleura? yellowish tinged 

 with brown. Halteres with a very large pyriform clul), stalk 

 yellowish-brown, club bright reddish-brown, with a dispei-sed pale 



