Genus Leptosomatomyia, 



549 



brown scales ; pleurae paler with patches of white scales. 

 Abdomen black with basal white lateral spots. Legs brown, 

 pale basally. 



$ . Head deep brown, mostly clothed with deep brown flat- 

 scales, some small golden narrow-curved ones around the eyes, 

 and a few in the mid line of the head, behind some dull yellowish 

 upright forked scales. Proboscis deep brown ; palpi very short, 

 brown ; antennae lightly plumose, brown. 



Thorax deep brown, with rather large narrow-curved bronzy 

 scales in the middle, a few golden ones at the sides and in front, 

 a few dark bristles over the roots of the wings ; prothoracic lobes 

 with small golden narrow- 

 curved scales ; scutellum paler, 

 the mid lobe with small flat 

 scales, showing brown, violet 

 and ochreous reflections, the 

 lateral lobes with dull creamy 

 narrow-curved scales ; pleurae 

 pale brown with patches of flat- 

 silvery scales ; metanotum 

 brown. Abdomen narrow and 

 long, slightly expanding api- 

 cally, deep black, with basal 

 lateral white spots. Legs brown 

 with bronzy reflections ; coxae 

 pale and the under side of 

 femora pale brown • fore ungues 

 unequal, the larger with a small 

 tooth towards the apex, 

 smaller simple ; mid ungues un- 

 equal, both simple ; hind small equal and simple. Wings with 

 the fork-cells short, the first sub-marginal narrower, but no 

 longer than the second posterior cell, its stem the same length as 

 the cell, its base level with that of the second posterior cell ; 

 stem of the second posterior the same length as the cell ; posterior 

 cross-vein longer than the mid about its own length distant from 

 it, the mid much shorter than the supernumerary, thus bringing 

 the third long vein close to the fourth. Halteres with testaceous 

 stem and fuscous knob. 



Length. — 4 mm. 



Habitat — Muina, New Guinea (Biro, 1900). 



Time of capture. — 31st December. 



Fig. 252. 

 Leptosomatomyia lateralis. 



d*. Theobald. 



the a anci D > Cephalic and scutellar adornment ; 

 c, d, e, fore, mid and hind ungues of <?. 



