1730 
DIPTERA OF AUSTRALIA, 
followed by a band of deep reddisli-brown, the back of the head 
densely covered with golden-yellow scales. Proboscis six times 
the length of the palpi, brown, darker at the base and towards 
the extremity. Palpi dusky brown, the fourth joint with a small 
ring of white at the base, and the terminal joint white. Thorax 
deep reddish-brown (when denuded), densely covered with golden- 
yellow scales, pleurm reddish-brown, mottled with several patches 
of whitish scales ; scutellum testaceous, with golden-yellow scales 
and long brown setm ; metanotum reddish-brown. Halteres with 
the club dusky-brown, stem ochre-yellow. Abdomen twice the 
length and not quite the width of the thoi’ax, dark brown, each 
segment with a narrow band of whitish anterioi’ly, and fringed 
with long golden-yellow hairs ; beneath covered with whitish 
scales, the segments bordered posterioi’ly with a narrow band of 
brown. Legs dark brown ; the coxae and basal half of the femora 
more or less dusted with whitish or yellowish scales, the apex of 
latter slightly tipped with white ; also first, second, and third 
joints of the tarsi ringed with white at the base. In the hind- 
legs the tibim about longer than the metatarsi. Wings longer 
than the abdomen, hyaline, the veins thickly covered with long, 
slender, brown scales, cilia grey ; brilliant reflections. Auxiliary 
vein reaching the costa opposite the tip of the posteiior branch 
of the fifth longitudinal vein ; sub-costal cross-vein situated a 
short distance before the origin of the second longitudinal vein ; 
middle cross-vein almost imperceptibly longer than the posterior 
cross-vein, the former situated in fx’ont of the latter a distance 
equal to its length ; first sub-marginal cell considerably longer and 
narrower than the second posterior cell, its base being almost 
opposite, but slightly before the base of the latter ; anterior 
branch of the fifth longitudinal vein originating opposite a point 
nearer the tip of the sixth longitudinal vein than the base of the 
second longitudinal, and joining the margin opposite the middle 
of the second posterior cell. 
Hah . — King George's Sound, Western Australia (Masters). A 
single specimen. 
