1378 
DIPTERA OF AUSTRALIA, 
darker anteriorly ; in the ^ a little longer than the abdomen, in 
the 9 longer than the whole body and considerably wider than 
those of the $ ; stigma tolerably distinct in the paler in the 
^ ; veins umber-browm The costal, auxiliary, first and second 
longitudinal, and marginal cross-vein much darker than the rest. 
Auxiliary vein joining the costa a little before the base of the 
third sub-marginal cell ; anterior bi’anch of the second longitudinal 
vein reaching the costa a short distance beyond the tip of the first 
longitudinal ■, costal vein extending beyond the tij) of the second 
longitudinal vein about half-way from that to the tip of the 
anierior branch of the third longitudinal fork ; petiole of the 
latter half the length of the marginal cross-vein ; marginal 
cro.ss-vein straight, its base immediately opposite the tip of the 
posterior branch of the fourth longitudinal ; middle cro.ss-vein 
originating near the base of the anterior branch of the fork 
of the fourth longitudinal vein, joining the second longitudinal 
much beyond the apex of the marginal cross-vein ; fifth longi- 
tudinal vein complete. 
Hah . — Tasmania (Macquart); Sydney (Novara Exp., 1 speci- 
men), common (Mastei’s and Skuse) ; Blue Mountains, and many 
other localities (Masters and Skuse). September to January. 
Ohs. — Dr. Schiner first identified the above species as F. 
dimidiata, Macq., from a single ^ specimen obtained here by the 
“ Novara ” expedition ; he did not, however, re-describe the 
species. 1 have not the least doubt about the identity of the 
New South Wales and Tasmanian species, though ^Macquart’s 
description of the latter is far from satisfactory. 
Genus 3. Dilophus, Meig. 
Diloplius, Meigen, Illig. Mag. II. 1803, p. 264, No. 25; Syst. 
Beschr. I. 1818, p. 305 ; Macquart, S. a B. Dipt. I. 1834, p. 176. 
“ Head almost entirely occupied by the eyes in the (J, veiy small 
and inclined in the 9- Balpi 5-jointed ; third joint dilated. 
