202 THE DIPTERA-BRACHYCERA OF TASMANIA, 



Wings brown, with hyaline spots, and a white hyaline 

 .band across the tips. 



Length. Male and female, 12 mm. 



Hab. Bagdad Valley. 



Male. Face black, bearing dense golden pubescence. 

 Proboscis short and stout, less than half the length of head. 

 Antennae black, about the length of head, the base con- 

 cealed by black and golden hairs. Front black, with long 

 black hairs above, and golden hairs below. Thorax black, 

 bearing short golden pubescence, and a few long black 

 hairs posteriorly. Abdomen black, the hind-margins of seg- 

 ments with short, golden, depressed j^ubescence, and sides 

 of abdomen with long hairs, which are yellow on the first 

 two, and black on the remaining segments. Leg;9, brown- 

 ish-black. Wings large, brown, with a white hyaline band 

 across tne tips, and hyaline spots situated on the discal 

 cellj and on the base of the first posterior cell; the radial 

 vein is very slightly recurrent, and meets the costal margin 

 at almost a right angle. 



Female resembles the male very closely, but the eyes are 

 more widely separated, and the white band across the 

 wing-tips rather less conspicuous. 



C. maculipennii^ is less frequently met with than 

 ■C . geometrica, but at the same time can hardly be dee 

 scribed a® scarce. It occurs during February. 



COMPTOSIA GEOMETRICA, Macq. 



Syn. Anthrax oh.wura, Walk. 



Wings hyaline, with the foremargin bx'oadly brown, the 

 brown colour being curved up in a half-circle above the 

 base of the cubital fork, in the middle of which hyalin© 

 half-circle is a brown spot, and there are also three small 

 brown spots below. 



Length. Male and female, 10-11 mm. 



Hab. G-enerally distributed. 



Male. Face covered with rather long, pale golden 

 pubescence. Proboscis stout, less than half the length of 

 head. Antennae black, about half the length of head, the 

 base concealed by yellow hairs. Eyes very narrowly 

 -separated. Front black, bearing rather long black hairs. 

 Thorax black, with very short, depressed, golden dorsal 

 pubescence and long, black, lateral pubescence, and 

 dense white pubescence below. Abdomen deep brown, the 

 dorsum with scattered, short, golden, depressed pubescence 

 centrally, and similar white pubescence towards the sides ; 

 sides of abdomen with long black hairs. Legs brown. 

 Wings large, hyaline, with the foremargin broadly brown, 



