114 DIPTERA OF AUSTRALIA, 



Hah. — Gosford (Skuse). February. 



Ohs. — I have taken only one specimen of this eminently distinct 

 form ; and it is without doubt the most beautiful of all tlie known 

 Australian Cecidomyid.ie. It appears to have a close affinity to 

 Necrophlehia, but the examination of further s[)ecimens may alter 

 my conviction. 



Sub-genus 8. Colpodia, Winnertz. 



Colpodia, Winnertz, L.E. 1853, p. 188; O.-Sacken, Mon. 

 Dipt. N. America, 1862, p. 176; Schiner, F.A. II. 1864, p. 409. 



Second longitudinal vein forming a curve before the cross-vein, 

 and joining the margin a little beyond the apex of the wing 

 (PI. II., fig. 12). Cross-vein large, oblique. Antennses pedicelled 

 in both sexes ; the number of joints uncertain ; joints verticillate. 



65. Colpodia indubitata, sp.n. 



(J. — Length of antennae 0*065 inch ... 1-64 millimetres. 



Expanse of wings 0*065 x 0-020 ... 1-64 x 050 



Size of body 0-050 x 0010 .. 1-27x0-25 



Antennee pale brown, 2--f 14-jointed, joints sub-cylindrical, 

 towards the tip appearing almost ovate, separated by pedicels 

 longer than the joints ; verticillate hairs sparse, very long and 

 fine; basal joints large. Palpi yellowish-brown. Thorax 

 ochraceous-brown, levigate, two rows of yellowish-brown hairs ; 

 pleurae and scutellum sordid yellow. Halteres yellow at the 

 base, the stalk and club densely covered with a brown pubescence, 

 gradually incrassate. Abdomen slender, slightly tapering, first 

 three segments ochraceous-brown, the rest yellowish above and 

 ochraceous-brown underneath, densely pubescent. Legs long and 

 slender, of a uniform soixlid yellow, densely clothed with a fine 

 jjubescence. Wings narrow, moderately haired on the surface, 

 margins sparingly ciliated ; roseous reflections. Veins yellowish ; 

 costal vein thick ; first longitudinal vein close to the costal ; 

 cross-vein distinct, joining the first longitudinal vein about the 

 middle second longitudinal vein prominent, reaching the margin 



