192 SYKPHIDvE. 



3rcl and 4th segments are about equally distinct and generally 

 cui'ved, not V-sliaped. jSTo band on 2nd segment. In the 5 

 (i) the only definite mark on the irons is a large shining black 

 diamond-shaped spot on its npper part, sometimes flattened on 

 upper side ; (ii) traces are present ot the uppermost pair of spots 

 as in quinquestriatus, or other indefinite marks ; (iii) a fine line 

 sometimes carried upwards from the black antennal triangle. In 

 the abdomen the 2nd, 3rd and 4th segments have the white band 

 very distinct. 



152. Eristalis curvipes, Scliln. * 



Eristidis cnn-ipes, Schiner, Novara lleise, Dipt., p. 363 (1868). 



cj' 5 . Head yellow, epistome prominent, conical ; central bump 

 shining black, black-haired, a little prominent ; median stripe and 

 cheeks shining black; rest of head with whitish dust and pubescence. 

 AntennjB blackish-brown, 3rd joint grey-dusted, arista shortly 

 plumose; eyes sparsely pubescent, with a darker stripe above 

 middle. In 5 , frons shining black, black-haired. Thorax black 

 witli fawn-yellow hair and a grey ci'oss-band on suture ; in front 

 of scutellum, a similarly coloured, grey, shining spot ; scutellum 

 diaphanous yellow ; pleurae with yellowish-grey hairs. Abdomen 

 shining black, 2nd segment with an elongated yellow triangular 

 spot on each side on anterior margin, rather in the form of an 

 elevated callosity, these spots narrowly separated from each other, 

 hind margin of segment narrowly yellow ; emarginations of 2nd 

 and 3rd segments yellow ; 3rd segment with a narrow yellow 

 interrupted band across the middle; hind margin also yellow- 

 bordered; 4th segment wholly black except the narrow yellow hind 

 margin. Ler/fi pitchy-brown ; middle tibise and metatarsi reddish- 

 yellow ; hind femora very incrassate and curved, with thick, woolly, 

 fawn-yellow hair on both sides ; hind tibiae so curved that in one 

 part they appear broken, at which point there is a minute yellow 

 spot, the tibiae bearing long pubescence u]) to that point. In 5 , 

 hind femora less incrassate and hind tibiae less curved. Wings 

 clear; veins a little tinged with brownish-yellow, especially in 

 middle and on anterior border. 



Length, 10 nnn. 



Described by ^chiner from Ceylon. From the grey transverse 

 cross-band on the sutui'e it appears to be allied to Jatus and suturalis. 



153. Eristalis latus, j\Iacq. 



EristnHs latm, Macquart, Dipt. Exot. ii, 2, p. 35, pi. viii, fig. 2 

 (1842). 



$ . "Face black, with tawny tomentum and pubescence, central 

 bump and lower part of cheeks bare. Frons black, with tawny 

 tomentum and pubescence, bare at base and in the middle; vertex 



* Retliscribed in appendix from examples taken hi Ceylon by Col. Yerbia-}-. 



