798 DIPTERA OF AUSTRALIA, 



yellow ; venter and ovipositor ocliraceous-yellow. Legs pale 

 brownish-ocbreous. Wings with a delicate brownish tint, the 

 stigma and extremity of first sub-marginal cell tinted somewhat 

 darker ; veins light brown ; stigma not twice the length of great 

 cross-vein. Auxiliary vein reaching costa before origin of second 

 longitudinal vein a distance equal to the length of great cross- 

 vein ; sub-costal vein at tip of auxiliary vein ; praefurca much 

 arcuated near its base, originating considerably beyond the middle 

 of the wing, shorter than the rest of the vein ; discal cell nearly 

 as long as the second posterior cell, its inner end almost an angle ; 

 great cross-vein situated a little before the inner end. 



Hah. — Beiowra, N.S.W. (Skuse). Two specimens in August. 



Genus 10. Teucholabis, Osten-Sacken. 



Teucholahis, O.-Sack., Proc. Ac. Nat. Soc. Philad. p. 223, 1859 ; 

 Mon. Dipt. N. Amer. IV. p. 129, pi. i. fig. 12 (wing), pi. iii. fig. 

 9 (genitalia), 1869 ; Studies, 11. 188, 1887. 



" One sub-marginal cell ; four posterior cells ; a discal cell ; 

 first longitudinal vein very short, its tip being but little beyond 

 the middle of the length of the wing, nearly opposite or not much 

 beyond the inner end of the sub-marginal cell. Wings very 

 hyaline, stigma rounded. Antennae 16-jointed. Rostrum cylin- 

 drical, distinctly prolonged, although shorter than the head, 

 Collare prolongpA in a narrow linear neck. Feet rather stout, 

 hairy ; tibise without spurs at the tip ; empodia distinct, but small. 

 Genitals of the male hairy on the outside ; forceps with large, 

 horny appendages and an anal style." (Osten-Sacken). 



This genus also occurs in I^lorth and South America, Southern 

 Asia and New Guinea ; only a small number of species are known. 



320. Teucholabis meridiana, sp.n. 



(J. — Length of antenn O'Ooo inch ... 1.39 millimetres. 



Expanse of wings 0-240 x 0-090 ... 6-09 x 2-27 



Size of body 0-230 x 0035 ... 5-84x088 



