430 E. Brunetti : Oriental Leptidce. [Voi,. II, 



C. luctuosus, mihi, sp. nov. 



{Atherix id.^ Bigot, nom. nud.) 



cf . Assam. I/ong. 5 mm. 



Head. — Vertex, frons and face blackish ; antennae dark brown- 

 ish yellow ; proboscis and palpi blackish. Back of head black- 

 ish, with rather long greyish hair at the sides and below. Eyes 

 bright brown, lower facets much smaller than upper ones. 



Thorax. — Mouse colour, nearly bare, Scutellum concolorous 

 with a row of long hairs on posterior border. 



Abdomen. — Dark brown, with some yellowish grey pubes- 

 cence. Belly, dark brown. 



Legs. — Coxse dark brown, with brownish grey hair ; femora 

 and tibiae light brownish yellow, with sparse hair on under side 

 of femora, and a row of minute bristly hairs on outer side of hind 

 tibiae ; tarsi brownish yellow, tips black. 



Wings. — Anterior half rather dark brown, the colour gradu- 

 ally fading away posteriorly to the pale brown hind border. 

 Mediastinal cell, nearly to its tip, darker brown, no separate stigma. 

 Upper fork of fourth longitudinal vein issues as two separate veins 

 from the discal cell, the outer side of which thus contains a dis- 

 tinct angle. Halteres pale yellow, knobs black. 



Described from one a" in the Indian Museum collection from 

 Margherita (slightly damaged, but with the specific characters 

 sufficiently distinct). 



C. scgmentatus, mihi, sp. nov. 

 (Plate xii, fig. 11, abdomen ; 12, wing.) 



cf . Nepal. Long. 10 mm. 



Head. — Vertex jet-black, prominent ; ocelli small, equidis- 

 tant, whitish. Eyes very large, occupying practically the whole 

 of the head, lower facets much smaller than upper ones. Whole 

 of face grey dusted. Antennae tawny. Proboscis large, shining 

 brown, lower part grey dusted ; palpi dark brown with some hair. 

 Back of head grey dusted, studded with black hairs. 



Thorax. — Dorsum and sides dark blackish brown. Two narrow, 

 longitudinal, yellowish grey stripes on dorsum, dividing the sur- 

 face into three equal parts, and a silvery grey reflection on the 

 sides, behind the wings (seen from behind). Humeral calli light 

 yellowish brown. 



Abdomen. — Shining black, the segments well separated, with a 

 telescopic appearance. Posterior border of first segment shining 

 steel-blue-grey ; second wholly black ; rest of segments, seen in 

 certain lights, steely aenous, highly shining, with a dull jet-black 

 moderately wide posterior border. 



The whole abdomen moderately thickly clothed with soft black 

 hairs. 



