364 coxopim:. 



of the L«t posterior cell, the outer edge of the coloured part being 

 perpendicular hut Avithout a clear-cut limit. The ]st posterior 

 cell is closed some distance before the border. Anterior cross-vein 

 just beyond centre of discal cell, which is just half as wide at base 

 iis at distal end. Halteres blackish. 



Lenrjth^ 8 ram. 



Described from a single S (not § as previousljr stated), origi- 

 nally in good condition but now somewhat damaged, iu the 

 Indian Museum collection from Margherita, Assam. 



288. Physocephala calopas, Big. (PI. VI, figs. 12, 13.) 



Conops calopus, Bigot, Ann. Soc. Ent. France, (6) vii, p.!33 (1887). 

 Phy&ocephdlu (juadrata, Bruuetti, Ilec. lud. Mas. ix, p. 274, pi. xiv, 

 tig. 6(191.3). 



6 5 . Head yellow or brownish-yellow ; frons distinctly over 

 one-third width of head, sometimes irregularly infuscated Avith 

 black ; antennse browni;^h-yello\v to orange, 3rd joint often bright 

 reddish-orange, especially below, tip generally blackish; mouth- 

 opening more or less blackish ; proboscis black, twice as long as 

 head; occiput black, broadly yellowish behind vertex, with side 

 margins silvery. Thorax brownish-yellow or orange-brown; 

 <lor.-ium mainly blackish; humeri pale, generally dusted with 

 whitish; seutelluui concolorous with dorsum; uietanotum blackish; 

 pleurae orange-brown, with a broad silvery-white stripe. Abdo- 

 men: 1st segment black; 2nd orange-brown, often with abroad 

 black median band; 3rd with nearly basal half orange-brown, 

 remainder black, with yellowish-dusted or grey-dusted hind 

 margin ; 4th and 5th black with rather narrow yellowisli-dusted 

 t>r gre3'-dusted hind margins; 6th dark brown or blackish, wholly 

 but lightly dusted with grey. Legs : coxae varying from orange- 

 brown to blackisl), hind pair with a silvery shimmer. Eest of legs 

 orange or orange-brown ; hind femora with a broad black median 

 ring occupying nearly tlieir whole length ; hind tibiae blackish on 

 about apical third ; hind tarsi more or less blackish throughout, 

 anterior tarsi blac-kish towards tips. All the tibite are rather 

 lemon-yellow basally, and they all have a silvery-white shimmer 

 on the outer side. Wings pale grey ; the dark band is blackish or 

 dark brown, and extends hind wards to the 3i'd vein, the colour 

 in normal specimens being rather sharply delimited at the tip 

 of the 2nd vein and barely entering the 1st posterior cell ; some- 

 times it ends distinctly beyond the tip of the 2nd vein, and in 

 these cases it also fills nearly all the basal half of the 1st posterior 

 cell. 



Lengtli, 7^-9 mm. 



Almora, Kumaon District, 5500 ft., 27. ix. 1911 (Paiva); Deesa, 

 iii & xi. 1899, and ix. 1901 ; Quetta, v. 1902; Abu (all these 

 collected by JShirse) ; Sukna, base of Uarjiling Hills, 2. vii. 1908, 

 c? 2 in cop. (Annandale); Singla, Darjiling District, 1500 ft., 

 iv. 1913 {ty2>^ of quadraia) ; Pashoke, Darjiling District, 2000 ft., 



