SYRPIIUS, 85 



pleura^ and under side iciieous-grev ; scutelluin brownish-yellow. 

 Pubescence ot" dorsum and pleura? yellow; of scntellum long and 

 wiioUy black, except the dependent fi'inge from below hind margin. 

 Ahdomen conspicuously narrow, black and yellow to about aa 

 •eqnal extent ; ground-colour black; 1st segment shining yellow- 

 ccneons ; 2nd with a pair of large yellow spots on side margins, 

 clear of anterior and hnid margins, more or less oblong, generally 

 rather closer together behind tiian in front, sometimes more oval 

 or roughly triangular; 3rd segment with a very broad yellow 

 baud from side to side, slightly emarginate in middle behind, 

 leaving anterior margin of segment narrowly, and hind margin 

 broadly, black ; 4th segment similar, but with distinct orange 

 hind margin ; 5th segment orange with an indefinite, more or 

 less triangular, blackish spot in middle. Pubescence of 2nd 

 segment and side margins of abdomen long and yellow, but shorter 

 and black for a short space on black parts of side margins: 

 pubescence of black part of 2nd segment and of all dorsum after 

 that quite short and black. Venter yellowish with long yellow 

 pubescence, and blackish cross-bands more or less corresponding 

 to the black colour on upper side. Legs : anterior femora all 

 orange ; hind femora with basal third orange and tips obscurely 

 pale; hind tibije and tarsi black; under side of hind metatarsi 

 orange, with bright yellow pubescence. All the obvious jjubes- 

 cence of legs yellow, sparse though long on under side of hind 

 femora. Winc/s yellowish-grey ; stigma yellowish ; halteres and 

 squamje orange. 



Length, 9 mm. 



Described from a short series in my collection in perfect con- 

 dition taken bv mvself at Darjiling on various dates from 15. v. 

 to 8. vi. 1917;" Darjiling, 12.'vi. 1914 (Gravely); Thaumaspur, 

 ISepal, 18-20. ii. 1908; Simla, ix.l908 (Nurse). Widely spread 

 in Europe. 



68. Syrphus corollaB, Fahr. 



Scesra corolUc, Fabricius, Ent. Syst. iv, p. 306 (1794). 



Syt-fihus corollff, Meigeii, Syst. liesclu-. iii. p. 304 (1822); Schiner, 



Fauua Austr. i, p. 306 (1802; ; Verrall, P>nt. Flies, viii, p. 381 



(1901). 



c? $ . Head in S with eyes contiguous for a short space; vertex 

 black in front with black pubescence, on upper part narrowly 

 yellowish-grey with yellow pubescence; frons and face bright 

 shilling chrome-yellow, former with black hairs extending down- 

 wards to each side of antennae, belo\^• which the face bears fine 

 pale yellow hairs ; cheeks and mouth-border black; an inddinite 

 black line from the latter to central bump or just above it. 

 Antenna? black, under side more or less reddish-brown, arista 

 black. Occiput yellowish-grey, marginal fringe bright yellow. 

 In $, upper half of frons shining ltlacl<, the colour dying away 

 indeHnilely, the space above l)ase of antennje more orange than 

 in (S and with a pair of obliquely placed blackish lunules just 



