1198 
DIPTERA OF AUSTRALIA, 
before the base of the fork ; marginal cross-vein very short, 
rather indistinct, situated not far from the tip of the first longi- 
tudinal vein ; costal vein extending beyond the tip of the second 
longitudinal vein about J the distance from that to the tip of the 
anterior branch of the fork ; tip of the anterior branch of the 
fork situated as much above the* apex of the wing as that of 
the posterior branch is below it ; rudimentary fifth and sixth lon- 
gitudinal vein as in atricauda. 
Ilab . — Sydney (Masters). November (?). 
160. Acrodicrania fasctata, sp.n. 
— Length of antennie 0’040 inch ... 1-01 millimetres. 
Expanse of wings 0‘120x0‘045 ... 3'04xL13 
Size of body 0'115x0 030 ... 2‘92x0'76 
Antennie slender, rather shorter than the thorax; joints of the 
scapus and first five or six flagellar joints ochraceous, remainder 
of flagellar joints black ; pubescence with a grey reflection. 
Front, vertex, hypostoma and palpi ochraceous. Thorax dull 
brownish-ochraceous with three indistinct brown longitudinal 
stripes, the intermediate stripe very indistinct, pai’tly visible just 
before the middle of the thorax, the lateral ones starting much 
below the humei’i, terminating at the scutellum ; densely covered 
with short brownish-yellow hairs, the humeri, lateral margins and 
scutellum setiferous; pleurie ochraceous; metathorax deep brown; 
scutellum ochraceous - browm. Halteres wholly yellow, wdth 
apparently no pubescence. Abdomen about as wide as, and 
louger than, the thorax, somewhat flattened ; deep brown almost 
black, the first segment ochraceous ; densely clothed with short 
l.)rown pubescence ; laraellm of the ovipositor deep brovvn. Coxae 
and femora gi’eyish-ochraceous ; tibiae with their spui-s ochraceous- 
brown ; tax'si smoky ochraceous ; hind femora deep brown at the 
apex ; tibial spines fuliginous. In the fore-legs the tibiae about J 
longer than the metatarsus ; the tarsi rather more than twfice the 
length of the tibiae. Wings much longer than the abdomen, 
