1184 
DIPTERA OF AUSTRALIA, 
the apex of the wing ; auxiliary vein joining the costa immediately 
before the tip of the marginal cross- vein; no sub-costal cross- vein; 
anterior branch of the second longitudinal vein short, joining the 
costa, its base situated beyond the tip of the first longitudinal ; 
anterior branch of the third longitudinal joining the margin 
immediately below the apex of the wing, consequently very close 
to the tip of the costal vein ; petiole about the length of the 
third sub-margmal cell ; fifth longitudinal vein imperfect. 
152. Antriadopiiila nubipennis, sp.n. 
— Length of antennae 0 030 inch ... 0’76 millimHre. 
Expanse of wings 0‘130 x 0'045 ... 3‘30xL13 
Size of body 0'120x0'020 ... 3*04 x 0'50 
— Length of antennae 0'025 inch ... 0'62 millimetre. 
Expanse of wings 0040 x 0-050 ... 3-55 x 1-27 
Size of body 0-125 x0-025 ... 3-16 x 0-62 
Antennae slender, shorter than the thorax ; joints of the scapus 
deep pitch-brown ; flagellar joints deep dusky brown, rather smaller 
than those of the flagellum, terminal joint conical, about twice the 
length of the joint immediately preceding it. Head black. Hypo- 
stoma and palpi black or deep brown. Thorax brown, with five 
longitudinal Imes of deep brown, the three middle ones running 
from the collare to the scutellum, each supporting a double row of 
short brown hairs ; an ochraceous-brown spot occurs before the scu- 
tellum, bordered laterally by the medial two lines ; the intermediate 
line not quite reaching the scutellum, stopping at the ochraceous- 
brown spot ; humeri somewhat tipped with sordid ochraceous or 
ochraceous-brown ; sprinkled with short brown hairs between the 
lateral borders and the medial two lines ; lateral borders and 
scutellum setiferous ; pleurie and metathorax deep brown. Hal- 
teres wholly yellow, sprinkled with a few minute hairs. Abdomen 
twice the length of the thorax, deep brown (in some specimens 
almost fuliginous), the second, thix’d and fourth segments with a 
bi’oad band of ochraceous anteriorly, the deep brown appeai’ing in 
