358 CONOPIDiE. 



segments there is a whitish reflection on the extreme hind margin, 

 varying in width and distinctness. Pubescence of abdomen con- 

 sisting of short bristly black bairs, uniformly distributed. Pale 

 colour in abdomen sometimes almost reddish. Legs orange-brown, 

 varying a little ; coxae black, with whitish, sometimes silvery, reflec- 

 tions. At least hind femora always with a broad black median I'ing ; 

 similar, though generally less conspicuous or interrupted, bands 

 are sometimes present on either fore or middle legs, or on both ; 

 in some specimens the dark bands are quite absent. Tarsi a little 

 darker. Wings grey; anterior half blackish-brown, the colour 

 limited hindwards by a narrow streak along the hinder side of the 

 discal ;'cell, filling only the basal half of that cell, the basal half 

 of tlie Ist posterior cell and the anterior part of the distal half of 

 that cell, and ending on the wing-margin at the tip of the 

 3rd vein. Halteres yellow. 



Length, 15 mm. 



Described from 5 c? c? and 2 $ $ in the British and Indian 

 Museum collections. Seudim Spur, Sitong, Darjiling District, 

 4600 ft., 22-28. x. 1917 {Aunandale Sf Gravely), type S ; 

 Sui'eil, Darjiling District, 5000 ft., iv-v. 1917 {Kemp); Kousanie, 

 Kumaon District, W. Himalayas, 6075 ft., 24. vii. 1914, type $ ; 

 Simla, viii-ix. 1898 {Nurse)-^ Nepal ; Kliasi Hills, 1878 (Chmnell) ;. 

 Cherrapunji, Khasi Hills, 3000-5000 ft., 16. v. 1905. Tyj^es in 

 Indian Museum. 



A species vei'y well marked by its almost wholly black and, 

 " red " coloration and the broad black band which is always 

 present on the hind femora, though it may be present or absent 

 on the other legs. 



280. Physocephala aurantiaca, sp. nov. 



cJ 2 ■ Head wholly orange, sometimes a little darker on lower 

 part of frons and antennal prominence ; mouth-opeuiug more or 

 less pale yellow; proboscis 1^ times as long as head, bright 

 shining brown, tip black. Antennse yellowdsh-brown, 3rd joint 

 sometimes bright reddish-orange, two-thirds as long as 2ud joint 

 (measured along the under side, which is much longer than the 

 upper). Occiput orange, margin with bright golden-yellow 

 shimmer. Thorax wholly bright brown, dorsum more or less 

 blackish ; humeral region, posterior mai'gin of dorsum and meta- 

 pleura with conspicuous bright golden-yellow dust; metanotum 

 bright brown, upper margin guld-dusted ; a silvery-wbite stripe 

 runs on each side from just below the humerus along the hinder 

 part of both mesopleura and sternopleura, meeting the middle coxa. 

 Scutelhim concolorous, brown. Abdomen: 2nd segment and basal 

 part of 3rd considerably contracted in c? , slightly less so in $ ;, 

 ground-colour bright reddish-brown, 1st segment mainly covered 

 with silvery-white dust, of which there is a narrow band also at 

 the junction of the 2nd and 3rd segments ; posterior border of 



