140 leptid.e. 



with numerous tiny black bristles ; coxae with soft golden-yellow 

 hairs. Wings pale yellowish, barely appreciably darker at tips ; 

 stigma large, dark brown, well defined ; halteres yellow. 



Length, 7 mm. 



Described from three 6 6 i" indifferent condition in the 

 British Museum from Ceylon : Hakgala, 24. v. 1891 (type) and 

 4. v. 1891 ; Trincomali Hot Wells, 17. viii. 1890 (Col. Yerbury). 



Two 2 $ i n the same collection from Pankullam, 12. iii. 1891, 

 and Hakgala, 13. v. 1891, may represent the other sex of this 

 species. 



104. Chrysopilus albobasalis, sp. nov. 



Head with vertex very prominent, dark grey, with a few 

 bristles behind ; the brownish ocelli conspicuous ; upper eye- 

 facets bright brown, lower ones very much smaller, dark red; 

 antenna? yellowish, 3rd joint grey-pubescent, arista dirty yellow; 

 frons, cheeks, and epistoma grey-dusted; proboscis brownish yellow, 

 palpi dark brown, both with strong bristles ; occiput grey-dusted, 

 nearly bare, lower part of head with some longer pale hairs. 

 Thorax and scutellum very deep brown, velvet-like, nearly bare ; 

 pleurae dark grey, sides of scutellum a little yellowish. Abdomen 

 with 1st segment black, hind border yellowish, with a fringe of 

 conspicuous soft white hairs; 2nd segment and base of 3rd pale 

 yellowish, former with some conspicuous white hairs: rest of 

 abdomen black or dark brown, dull, with very sparse black hairs ; 

 venter coloured as dorsum, but without the white hairs. Legs 

 Avith coxae black, rest pale 3 r ellow ; basal half of anterior femora 

 and a ring before the tip of the hind pair, black ; tips of tarsi 

 blackish. Wings quite clear ; a small dark brown well-defined 

 stigma; halteres brownish yellow, clubs blackish. 



Lengthy barely 5 mm. 



Described from one specimen from Parambikulam, Cochin 

 State, 3 700-3200 ft., 16-24. ix. 1914 (Gravely), in the Indian 

 Museum. 



The peculiar white base of the abdomen and the entirely clear 

 wings distinguish this species from all the others. 



105. Chrysopilus insularis, ScJi. 



Chrysopilus insularis, Schiner, Reise Novara, Dipt. p. 199 (1868). 



2 • Reddish yellow, the whole upper side deeper, with a pale 

 shimmer towards sides of thorax and the emarginations of the 

 abdominal segments; pleurae fawn-colour, shining. Ovipositor 

 prominent, the joints indistinct. Head black; frons rather broad, 

 very shining, with two shining white spots above the antennae ; 

 occiput dusted with whitish grey; epistoma in middle vesiculose, 

 horn-yellow ; antennae reddish yellow, 3rd joint black, very short, 

 quite round, arista long. Palpi approximated, porrect, reddish 

 yellow, nearly bare, as long as the reddish-yellow proboscis. Legs 

 ochraceous yellow, tibiae and tarsi brown. Wings tinged with 



