384 DIPTERA OF AUSTRALIA, 



Sub-genus Epidosis, Loew. 

 Epidosis, Loew, I.e. p. 115. 



439. Epidosis grandipennis, sp.n. 



^. — Length of antennae 0*150 inch ... 3"81 millimetres. 



Expanse of wings 0-190 x 0-060 ... 4-81x1-54 



Size of body 0-135x0-020 ... 3-4-2 x 50 



Antennae brown, 2- + 13-jointed ; joints sub-elliptical, with long 

 verticils ; pedicels long, once and a half to twice the length of the 

 joints. Hypostoma, front, and palpi brown. Thorax dark brown, 

 nearly black, shining, with two rows of brown hairs ; pleurae 

 tinged with ochreous-yellow, especially at origin of wings ; meta- 

 notnm somewhat tinged with ochreous-yellow ; pectus and 

 scutellum dark brown. Halteres brownish, whitish at apex of 

 club, densely covered with minute hairs. Abdomen slender, 

 dark brown, opaque, clothed with yellowish hairs. Legs extremely 

 long and slender (the hind pair measuring 9 mm. in length), 

 brown, the terminal joints of tarsi paler ; densely clothed with 

 short hairs. Wings long, proportionately broad, hyaline, densely 

 covered with brownish pubescence ; veins brown, the anterior 

 branch of the third vein pale ; bronzy and roseous reflections. 

 First longitudinal vein wide of the costa, joining it opposite base 

 of fork of third vein ; cross-vein distinct for the whole of its 

 length ; second longitudinal vein hardly sinuose before the cross- 

 vein, considerably arcuated towards the apex, reaching the margin 

 beyond the apex of the wing ; third longitudinal running almost 

 parallel with posterior margin, turning abruptly to the margin ; 

 anterior branch gently arcuated. (Descri[)tion drawn from dried 

 specimen). 



Hab. — Mossman's Bay, near Sydney (Skuse). One specimen in 

 September. 



Obs. — Allied to U. distenta, Sk. 



