90 



tion of mesonotum denuted. Postnotum nude, deep brown. Pleurae almost black, 

 coxa? luteous; clotbed with patches of flat white scales; the prothoracic epimera 

 with narrow curved, creamy-yellow scales. 



Abdomen elongate, depressed; dorsal vestiture black with narrow, yellowish-white 

 basal segmental bands, obsolete centrally; venter whitish scaled, the segments with 

 apical median black spots; lateral ciliation moderately long and abundant, brownish. 



Wings narrow, hyaline; stems of second marginal and second posterior cells 

 longer than their cells; basal cross-vein its own length distant from anterior cross- 

 vein; vestiture sooty brown, with a few pale scales intermixed, rather sparse, out- 

 standing scales linear. 



Legs rather long and slender; vestiture sooty brown, the femora pale, especially 

 beneath to near apices; fore femora palest; knees pale; tarsi dark but hind tarsi a 

 liltle brighter than the others. Claw formula 1.1 — 1.1 — 1.1. 



Length: Body about (5 mm. 



Genitalia: Side-pieces nearly three times as long as wide, rounded at tip; api- 

 cal lobe roundedly prominent, without basal prolongation; basal lobe digitate, ap- 

 pressed, with a side-piece bearing two stout apical seta?. A group of dense hairs 

 arising at origin of apical lobe. Clasp-filament long, slender, with two small setae 

 towards tip arising from slight notches; a long articulated terminal spine. Harpes ellip- 

 tical, concave, inner margin thickened and revolute; tip pointed and outcurved. Harpago- 

 nes with a long stem, its basal and larger portion thick, angular and bearing a few 

 seta?, apical portion slender, with a broad terminal filament which is expanded at 

 tip, the angles of the expansion pointed. Unci approximated revolute, forming a 

 basal cylinder. Basal appendages approximate, bearing several short, stout seta 1 . 



Larva. Head rounded, much wider than long, narrowed before eyes, a notch 

 at insertion of antenna?; front margin arcuate. Antenna' very long, longer than the 

 head, straight, not or only slightly curved, thorned; antenna] tuft with few hairs 

 inserted almost in the middle of the antenna; terminal portion slender, carrying 

 two hairs near the tip and two thorn-like hairs on apex. Anteantennal tuft with 

 five hairs; lower frontal tuft with four or five hairs, upper triple. Eyes large. 



Thorax rounded, angled at hair-tufts; hair formula of frontal border 121114411121. 

 The median tuft of four hairs consisting of one very long hair and three small ones. 

 The next hair nearest 4 exceedingly small. Lateral hairs long, a few single, most 

 most of them in multiple tufts. 



Abdomen rather broad, the first segments much smaller than segment six and 

 seven; lateral hairs on first two segments triple, double on third to fifth, single on 

 sixth. No subdorsal tufts. Eighth segment with tufts in common arrangement. Late- 

 ral comb consisting of about twelve scales, arranged in an arcuate row, each scale 

 spatulated at base ending in a long, acute spine with smaller spines at its base and 

 many small spines or hairs bordering the spatulate part. Sipho rather short, taper- 

 ing at apex, only two and a half times longer than broad, a pecten at basal third 

 consisting of about 13 [horns, the last two single, at great distances from each 



