330 SYRPHID.^. 



two curved stripes in J ; cheeks wholly black to hinder part oi: 

 head. Thorax black, with a dark blue tinge ; closely punctate 

 sulphur-yellow calli of the usual shapes on humeri, at ends of 

 suture, on mesopleura and on steruopleui-a ; a vei'y short obvious 

 but not conspicuous narrow yellow vitta towards each side of 

 dorsum behind suture, at the place where the longer vittse are 

 present in trhiotata, de Meij. Scutellum wholly sulpliur-yellow. 

 Abdomen black with a bluish tiage, closely punctate. A large 

 sulphur-yellow spot on basal corners of 1st segment, extending at 

 sides to hind nmrgin ; a thick yellow hind border to 2nd, 3rd and 

 4th segments, rather broader on latter and slightly wider in middle. 

 Ground-colour in some places irregularly yellowish-grey tomen- 

 tose ; whole abdomen with microt^copic pale yellow pubescence. 

 Venter black, a whitish hind margin to 2nd segment and a 

 brownish-yellow margin to 3rd ; 4th with oidy traces of a lighter 

 margin. Legs: coxa3 black; femoi-a yellow; a short streak on 

 upper side near tip and a longer one below on anterior pairs, that 

 on middle pair extending near!)'' from base to tip, in all cases the 

 streaks liable to a little dilatation ; hind femora with a similar black 

 streak on apical third above and below, the intervening spaces 

 brownish-orange. Tibiae pale yellow on basal half, brownish-yellow 

 on remaining parts, the colours apparently varying a little in extent. 

 Tarsi yellowish-brown, darker above, especially hind pair. Wings 

 very pale grey ; anterior half rather dark brown as far as the 

 spurious vein and 3rd vein, except that the loop of the latter is 

 clear. Halteres yellowish. 



Length, 9-10 mm. 



Described from two cT c5' and a $ from the Pusa collection : 

 Hangu, North- West Frontier Province, 10. v. 1916 {Fletcher, type 

 J' and paratype S)', Abbottabad, North-West India, vi. 1916 

 {Fletcher, tijpe J ). I have also seen examples from Quetta, 

 V &vi. 1902', and Kashmir, 5000-6000 ft., v. 1901 (both Nurse). 

 This species bears a general resemblance to the European 

 C. conopsoides, L. 



Type S Jiiid type 5 sent to the British Museum. 



257. Ceria himalayensis, de Meij. 



Ceria himalayensis, de Meijere, Tijd. v. Ent. li, p. 198 (1908). 



$ . Frons and vertex brownish-yellow ; epistome yellow with 

 broad black median stripe ; a black stripe between base of antennae 

 and each eye. Antennal petiole reddish-brown ; anteunoe blackish, 

 becoming rather reddish in parts ; 2nd and 3rd joints subequal ; 

 1st joint rather longer than these, but distinctly shorter tlian the 

 petiole. Tliorax black with yellow humeri ; two longitudinal yellow 

 stripes behind suture near side margins ; pleurae with a yellow 

 stripe from wing-base downwards, and a yellow spot on upjjer 

 part of sternopleura. Scutellum reddish-yellow, narrowly black 

 at base. Abdomen black, with narrow yellow hind margins to 



