126 MYCETOPHILID^. 



75. Sciara trilineata, sp. nov. 



2 . Head blackish grey ; palpi and antennal scape yellow, flagel- 

 lum blackish with grey pubescence. Thorax : dorsum, rather sharply 

 divided from the slightly wider lower part ; three dark brown or 

 black stripes, the median one from the centre of the anterior 

 margin nearly to the hind margin ; the two lateral stripes much 

 shorter, not reaching the shoulders (in one example the median 

 stripe is much fainter) ; sides dark blackish brown. Two rows of 

 dorso-central stiff hairs, and stronger ones towards the sides. 

 Scutellum dark blackish bi-own, with four somewhat larger pale 

 stiff hairs and some smaller ones ; metanotum dark brown. 

 Abdomen and belly black : sides narrowly, but somewhat deeply 

 bright yellow, the colour extending more or less to the hind 

 margins of some of the segments both on the upper and lower 

 sides. Ovipositor small, black, with a pair of two-jointed 

 lamellae. Legs : coxae, femora and tibiae brownish yellow ; tarsi 

 black, tibial spines reddish yellow. Wings pale yellowish grey, 

 with microscopic hairs ; 1st longitudinal vein ending exactly at 

 fork of 4th vein (in the type) or immediately beyond it (in the 

 second specimen) ; 2nd posterior cell 4| times as long as broad, 

 slightly widening at tip ; 3rd vein originating distinctly before 

 the middle of 1st vein ; petiole and branches of 4th subequal. 

 Halteres yellow, with elongated black clubs. 



Length 2-2^ millim. 



Described from two examples in the Indian Museum, from 

 Darjiling, 8. viii. 09 {tgj^e) and 6. viii. 09 (both Paiva). 



76. Sciara trifasciata, sp. no\. 



$. Head brownish yellow; mouth, palpi and ocellar triangle 

 blackish. Scape and 1st flagellar joint bright reddish brown, 2nd 

 flagellar joint more or less brownish yellow. Thorax shining 

 orange-yellow, with three moderately broad dorsal blackish 

 stripes (after the pattern of many Tipulid.^) ; the centre one 

 beginning on the anterior margin, and the two lateral ones 

 beginning behind the shoulders ; they extend hiudwards beyond 

 the median stripe but do not reach the hind border. Scutellum 

 concolorous, apparently no strong bristly hairs but some soft 

 hairs towards the sides. Sides of thorax and metanotum more or 

 less concolorous, but less bright, and not shining. Abdomen 

 wholly black, roughened, with short black pubescence ; belly 

 similar ; ovipositor of moderate size, normal, black. Legs: coxae 

 and femora rather bright brownish yellow, the latter moderately 

 pubescent ; tibiae brown ; tarsi black. Wings brownish grey ; 

 1st longitudinal vein ending much beyond fork of 4th veni, 

 petiole of 4th barely as long as its branches, which are in their 

 distal two-thirds nearly parallel and gently curved; the 2nd 

 posterior cell four times as long as broad. Halteres yellow, clubs 

 black. 



