62 



DIPTERA OF AUSTRALIA, 



387. DoLiCHOPEZA NivEiTARSis, sp.n. 



(J. — Length of antennae 0'125 inch 



Expanse of wings 0-330 x 0-080 



Size of body 0-260x0-030 



^. — Length of antennae 0-075 inch 



Expanse of wings 0-350x0-080 



Size of body 0-310x0-030 



3-16 millimetres 

 8-38x2-02 

 6-62 X 0-76 



1-89 millimetres. 

 8-88x2-02 

 7-87 X 0.76 



Head, rostrum and basal joints of antennae yellow or brownish- 

 ochreous ; occiput, flagellar joints, suctorial labella and palpi 

 bi'own ; ^ antennje conside)-ably longer than those of 9, the 

 flagellar joints in both sexes beset with short stiff" hairs. Thorax 

 brown, opaque, slightly ochreous in front of humeri ; pleurae 

 ochreous or brownish-ochreous, with a broad brown band from 

 humeri to pectus (between fore and intermediate coxae). Haltei'es 

 bi'own. Abdomen dark green or brown,* the segments more or 

 less distinctly banded across the middle with lighter colour ; 

 genitalia ochreous-brown. Legs dark brown, ochreous towards 

 base of femera, with yellow coxae ; genua slightly, and tip of meta- 

 tarsus and last four joints of tarsi entirely, white. Wings almost 

 hyaline, very slightly clouded with pale brownish on the cross- 

 veins and round the apical margin ; a whitish spot at each 

 end of the stigma ; stigma and veins brown, very distinct ; anal 

 angle of wing only slightly projecting, consequently the seventh 

 longitudmal vein very close to the margin ; great cross- vein rather 

 more than half its length distant from inner end of fourth posterior 

 cell. 



Hab. — Lawson, Blue Mountains (Masters) ; North Shore and 

 Mossman's Bay, near Sydney (Skuse). September to January. 

 Nine specimens. 



* I do not remember what the colour was in freshly caught specimens, but 

 it was probably always green. 



