APPENDIX. 561 



indistinct narrow linear infuscatiou giving the appearance o£ an 

 additional vein, between the 3rd vein and upper branch of the 4th, 

 between the two branches of the 4tli, and between the lower 

 branch of the 4th and the 5th vein ; the apical half of the 5th vein 

 before the fork and the whole of its lower branch very narrowlj^ 

 but distinctly tinged with dark brown. Halteres yellowish. 



Described from a single male in the Indian Museum from 

 Ivurseong, 16. iv. 11 (AnnrmdaJe). 



Family BIBIONID.E. 



Bibio flavohirta, sp. no v. 



^ . Head black ; eyes sparsely and shortly hairy ; back of head 

 and underside with black pubescence. Antennae missing, except 

 tlie black scape ; palpi black, hairy. Thorax black ; dorsum 

 shining, with moderately dense dark brown hairs; scutellum similar, 

 metanotum bare ; sides ot thorax Avith yellowish haii-s. Abdomen 

 black, rather dull, with rather long and dense yellow hairs on 

 dorsum and sides ; sparsely hairy on belly except towards tip. 

 Gt^nitalia black, normal. Legs shining dark brown with short 

 black hairs except on the cox«, where the hair is yellow ; knees 

 pale. Wings grey, anterior part a little darker : costal cell with 

 a slight yellowish tinge ; stigma distinct, dark brown, oval, of 

 moderate size. Veins on posterior half of wing pale yellowish ; 

 basal sections of 3rd vein equal in length to the anterior cross-vein. 

 Halteres dark brown, with a few pale hairs. 



Described from a single male in the Indian Museum from the 

 Darjiliiig district (LgncJi). 



Family SIMULIID.E. 



Simulium striatum, Brun. 



Simulmm striatum, Bruuetti, Spol. Zeyl. viii, p. 90 (1912). 



J . Head : frons shining leaden grey, with a few pale hairs, 

 face of similar colour ; back of head light grey with sparse short 

 pale hairs. Antennae blackish, with light grey pubescence, the 

 basal segments distinctly yellowish for some little distance, the 



