412 APPENDIX. 



Eristalis curvipes, Sch. (ante, p. 192). 



Ei-istalis curvipes, Sclnner, Novara Ileise, Dipt. p. 363 (1808). 



S 5 . Head : eyes bearing close yellowish -white pubescence, 

 with a very distinct, broad, longitudinal band of dark brown 

 pubescence in tlie middle of either eye (as in E. tenax) ; uni- 

 colorous, contiguous for some distance in <S ; vertical triangle with 

 black hairs in ocellur region and yellowish hairs elsewhere ; frons 

 very prominent, shining black, with long black pubescence, its 

 anterior margin orange; antennse mainly blackish, but 3rd joint 

 sometimes dull brownish-orange ; arista brown, shortly plumose 

 above and below on about basal lialf; whole head from below 

 antennse strongly produced diagonally downwards and forwards, 

 as an irregularly shaped, obtusely tipped cone; shining black, 

 with an indistinct brownish-yellow stripe on either side, and with 

 rather long, shaggy, yellowish hair at base and extending for 

 some distance along sides ; back of head dark grey with yellowish 

 pubescence ; lower occipital margin narrowly silvery-white, with 

 whitish hair on lower part of head. In 5 1 frons and face 

 gradually widening from above downwards, the yellow side stripes 

 on the latter broader. Thorax blackish with yellowish-grey 

 pubescence, the ends of the suture faintly greyish ; pleurae blackish, 

 with more yellowish pubescence ; scutellum brownish-orange with 

 fine black pubescence on disc and a fringe of yellow hairs on 

 margin. Abdomen : 1st segment pale grey with yellow pubescence ; 

 remainder black ; 2nd segment with a pair of elongate, nearly 

 linear, brownish-orange spots, transversely placed across middle of 

 segment, a little narrowed at inner ends, which nearly meet, and 

 broader at outer ends on side margins ; 3rd segment with similar 

 but much narrower spots, which do not approach side margins ; 

 4th segment with a still smaller replica of similar spots ; hind 

 margins of 2nd, 3rd and 4th segments narrowly orange ; pubes- 

 cence mainly pale yellow, but the black parts generally with some 

 proportion of black pubescence ; last segment wholly black- 

 haired. Venter black, more or less shining, generally yellowish in 

 region of 2nd segment, wholly witli pale yellow or whitish pubes- 

 cence. J^egs with femora only slightly thickened ; hind tibiae in 

 d conspicuously bent just beyond middle ; legs black, knees very 

 narrowly pale ; middle tibiae pale on about basal half, especially in 

 5 ; hind tibiae at base and on a rather narrow, ill-defined, median 

 ring, pale orange or brownish ; pubescence of legs mainly yellowish, 

 but there is a considei*able proportion of black on the liind tibiae, 

 especially in d" • Winc/s pale yellowish-grey, darker and more 

 brownish-yellow anteriorly ; stigma small but distinct; halteres 

 brownish-orange. 



Length, 10-13 mm. 



Eedescribed from one d' and several 5 $ "u the British Museum 

 from Ceylon : Nuwara Eliya, 6-15. v. 1891 ; Hakgala, 24. v. 1891 

 (all specimens taken by Col. Yerhury). The examples are in 



