130 syrphidjE. 



(d). Third and 4th abdominal segments a little 

 shininp:, greenish-seneous; hind corners 

 of 2nd segment black ; hind margin 

 indefinitely blackish ; 3rd segment 

 with distinct, broad blackish margin, 



not conspicuous ; 4tli segment with [p. 134. 



indistinct black hind margin semicinerea , sp. n., 



103. Rhingia cincta, de Meij. (PI. Ill, fig. 13.) 



RhuKjia cincta, deMeijere, Bijd. tot Dierk. xviii, p. 101 (1904). 



S ? • Head iu S with bare eyes, closely contiguous for the 

 whole distance from the small vertical triangle to the equally 

 small frontal one; former black, with ruby-red ocelli and long 

 brown hairs curved forward ; latter orange-brown with a little 

 paler dust : face and lower part of head orange-brown, the snout 

 projecting forwards a distance equal to the width of the eye seen 

 in profile, shining, bare. Antennas and arista brownish-orange, 

 latter bare. Occiput grey, lower part orange-brown, both with a 

 little very short marginal pale pubescence. Frons in $ just 

 perceptibly broader below^ than above, flush with eyes, about one- 

 fifth of head at level of antennae, blackish, with pale yellowish- 

 grey dust. Thorax brownish-orange ; dorsum olive-grey except 

 side margins, the grey colour outlined on eacli side by a longitudinal 

 black stripe of moderate width ; a pair of median, similar, rather 

 narrowly separated stripes, often united on anterior margin. 

 Pubescence of dorsum brownish-yellow, some small black bristles 

 or bristly hairs in front of whig and on posterior calli. Pleui'ae 

 with a little yellowish-grey tomentum and- pale yellow soft 

 pubescence. 8cutellum orange-brown with soft black pubescence, 

 hind margin with a I'ow of erect black bristly hairs and a fringe of 

 dependent yellow hairs. Abdomen mainly black ; 1st segment, and 

 the 2ud anteriorly at sides, orange, more or less broadly a little 

 darker on anterior margin ; sometimes a narrow black median stripe 

 on 1st segment ; 3rd segment in r? black, with an elongate dull 

 orange spot at middle of each side margin ; in $ the spots joined, 

 forming a narrow band across centre of segment, much broadened 

 at side margins (in one $ this segment is all shining black) : 4th 

 segment practically wholly black. Pubescence of abdomen yellow 

 on pale jjarts and black on remainder. Venter niore or less 

 brownish-orange, blackish towards sides and tip. Legs orange with 

 pale yellow pubescence except for a little very short black bristly 

 pubescence on hind tibiae, which latter are a little brownish, and 

 the usual microscopic black bristles on upper side of tarsi. Whujs 

 pale yellowish, stigma barely darker; halteres brownish-orange. 



Length, 9-10,| mm. to tip of snout. 



Redescribed from a S from Darjiling, 12. viii. 1909 {Dr. Jenlins) ; 

 and some $ $ from Kurseong, Darjiling District (Annandale), 

 4.vii.l908, 13-1(5. vii. 1907 ; above Tura, Assam, 15. vii.-30. viii. 

 1917 (Kemp) ; all in the Indian Museum in good condition. 

 Orisjinallv described from Java. 



