1742 
DIPTERA OF AUSTRALIA, 
Ilah. — Brisbane, Queensland (Drs. J. and T. L. Bancroit). 
Several specimens. December, 
203. CuLEX PROCAX, sp.n. 
9 . — Length of antenme O'OSO inch ... 2‘02 millimetres. 
Expanse of wings 0‘130x0‘035 ... 3'30x0'88 
Size of body OdSOx 0-030 ... 3-81 x0-76 
Antennfe brown, nearly the length of the proboscis ; first joint 
of the scapus bright ochraceous, second ochraceous at the base. 
Head light umber-brown, adorned with golden-yellow scales. 
Proboscis brownish-ochraceous, dusky at the tip, about nine times 
the length of the palpi. Palpi light umber-brown. Thorax 
reddish-brown, covered with golden-yellow scales ; pleurie reddish- 
brown, spotted with small patches of white scales ; scutellum and 
metanotnm i-eddish-brown, the former with golden-yellow scales 
and long hairs. Halteres ochraceous. Abdomen hardly twice the 
length of the thorax, black, each segment bordered anteriorly with 
a narrow band of white, and fringed posteriorly with golden- 
yellow hairs ; venter covei-ed with white scales ; lamellie of the 
ovipositor bi-own. Legs brown, the underside of the femora 
white, and the joints of the tarsi ringed with white at the base. 
In the hind-legs the tibia about ^ longer than the metatarsus. 
Wings longer than the abdomen, pellucid, with a scarcely per- 
ceptible brownish tint, veins thickly covered with slender brown 
scales, cilia grey ; brilliant reflections. Auxiliary vein joining 
the costa opposite or a little before the tip of the posterior branch 
of the fifth longitudinal ; middle cross-vein somewhat longer than 
the posterior cross-vein, situated in front of the latter a distance 
about equal to its length ; first submarginal cell a little longer and 
much narrower than the second posterior cell, its base situated 
exactly opposite that of the latter ; anterior branch of the fifth 
longitudinal vein as in the last species. 
J/ak, — Go.sford and South Clifton, N.S.W. (Skuse). December 
to February (1). 
Obs . — A day-flying species. 
B. Tarsal joints avithout pale rings. 
