1909.1 115 



almost short enough to come under Section D, more constant in female and 

 reaching to the wing middle or nearly, fringe long, 1 equal to 2 + 3, angle at 

 fork moderate ; legs black, fore legs scarcely paler, tibial cilia weak and 

 indistinct ; male abdomen stout, hypopygium small and black with a single 

 conspicuous bristle at each lower corner, both ventral plate and anal organ 

 small and black barely 1 mm. nigripes, n. sp. 



53 (52) Wings yellowish-broioii ; veins strong and distinct. 



$ . Thorax and abdomen black, pleural bristles as in nigripes ; frons about 

 ^ broader than long, 4 largish and equal supra-antennal bristles, palpi dull 

 yellow ; costa variable but on the whole longer than in nigripes^ fringe long, 

 1 twice as long as 2 and longer than 2+3, angle at fork moderate; legs dark 

 brown, tibial cilia fairly large and distinct ; male abdomen not stout, 

 hypopygium large, grey and knob-like with no bristles, only a few scattered 

 hairs underneath, on its under-side is a small and curious claw-like body of 

 a yellow colour, apparently attached to the subanal body and with its point 

 directed forwards, anal organ small and dusky... 



1 mm. or a trifle more, unguicularis, n. sp. 



54 (51) Costa fully to middle of wing. 



<? . Thorax and abdomen black, pleural bristles large and equal ; frons low, 

 about J broader than long, upper supra-antennal bristles small, under ones 

 minute, antennae large and oval, palpi small and yellow and the bristles also 

 small ; wings clear, both sets of veins fine and delicate, 1 twice or nearly twice 

 as long as 2, fringe and angle at the fork as in the 2 preceding species ; legs 

 pale yellowish suffused with grey, hind femora slender with the hairs at the 

 outer end underneath unusually long, tibial cilia small and delicate ; 

 hypopygium black, globular and very large, projecting on all sides wide of the 

 last abdominal segment, a few hairs but no bristles underneath, and a long and 

 curved yellow process very similar to the one in unguicularis, and as there 

 attached apparently to the subanal body, anal organ depressed, large and 

 yellow barely 1 mm. barbulata, n. sp. 



55 (50) Large species, H »»»". and over. 



56 (57) First costal division not longer than, barely as long as, the second ; fringe 



very long. 

 <J ? . Thorax and abdomen black, pleural bristles strong and of pretty uniform 

 size; frons grey and low (twice as broad as long), 4 large and nearly equal 

 supra-antennal bristles, <? antennae rather large, palpi yellow; wings deeply 

 tinged with yellowish-brown, costa well beyond middle of wing, angle at fork 

 acute, Ist thin vein leaves at the fork with a very gentle curve; legs from 

 yellowish-brown to blackish-brown, at extreme base of ^ hind femora a thick 

 fringe of stubby hairs, tibial cilia large and sparse ; hypopygium very large 

 and knob-like with a bunch of rather small and weak bristles at the lower 

 corners, the marginal hairs of 6th segment large and conspicuous, subanal body 

 apparently always concealed, ventral plate slender and dusky, anal organ short 



and stout, and usually dusky at base 2i— 3 mm. heckeri, n. gp. 



K 2 



