niTSOCEPnALA. '361 



284. Physo3ephala argentifera, sp. iiov. 



d ?. Head wlioUy orange or yellowish-oiMiig-' ; antennge a 

 little darker, their 3rd joint often bright reddisli-or.mge above 

 and much darker, neai'ly black, on a[)ical half of under side; it is 

 two-thirds as long as the 2nd joint (measured along the under 

 side); proboscis black, sometimes very dark brown in middle; 

 occiput orange, margin with a whitish shimmer. Tliorax bright 

 brown or reddisli-brown ; dorsum sometimes with a median 

 blackisli stripe, generally with whitish reflections, especially on 

 hind margin, inner sides of luimeri and upper part of the conco- 

 lorous metanotuni, which latter is sometimes dusted with yellowish- 

 wliite, but mainly black behind ; humeri dull orangri or brownish- 

 yellow ; there is a whitish or silvery-white ])leural stripe as in 

 many other species; scutellum orange-brown; there is a con- 

 spicuous golden-yellow dust-spot on each hypopleura, the two 

 connected by a band of similar colour across the upper part of the 

 metanotum. Abdomen orange-brown, only slightly contracted at 

 l)ase; 2nd segment with silvery-white or yellowish-white dust at 

 base and also (interrupted in middle) on hind margin ; 1st segment 

 sometimes with a black patch, occasionally wholly black; 2nd 

 segment with or without a long median streak : 3rd segment 

 varying from wholly brownish to having more than the hinder 

 half blackish ; 4th segment varying from wholly brown to having 

 the anterior half blackish ; 3rd and 4th segments with hind borders 

 moderately broadly gold-dusted ; apparently the 5th and 6tli 

 segments are in normal cases wholly gold-dusted. 7/tv/s orange ; 

 tibia? paler yellow on basal half ; anterior coxae more or less, hind 

 ])air brilliantly, sliining with sihery-white dust ; anterior tibia? 

 with brilliant silvery-white reflections on the outer side, but these 

 are much less conspicuous on the hind tibi;o ; tarsi blackish 

 towards tips ; pulvilli orange. Wlng^ g'"ey ; anterior part blackish- 

 brown from the costa to the tip of the 3rd vein (thongji the costal 

 cell itself and the tip of the submarginal cell are a little clearer), 

 also as far hindwards as the 3rd vein ; the dark colour also extends 

 over the basal half of the 1st posterior cell, but is rather sliarply 

 delimited distally, though in some specimens the wing is a little 

 paler towards the tip. Ilalteres orange. 



Leiif/th, 8-10 nnn. 



Described from a few sjiecimens from Chajira, Bengal, ti/pe c? 

 {Madcnzie); Allahabad, 8. x. 1905 and Hi. x. 19;>5, (ifpe $ (Jfotv- 

 lett); Pusa, 4. ix. 1908, and two S c? without data. T>/pe sent to 

 the British Museum by Mr. T, M. Fletcher, cotypes in tlie Pusa 

 collection and my own. A conspicuous character of this species 

 is the gold dust-band across the u]iper ])art of tlu^ metanotum, 

 joining the gold-dusted areas on the hypopleune. 



285. Physocepala munda, Bmn. 



Conops 7nu)i(hi.i, IJnuu'tti, lice. Iiid. .Miis. vii, p. 490 (1912). 



c? 2 . Ifead i)ale lemon-yellow ; frons about half width of head ; 

 vertex well detined, sub-tumid; cheeks with silvery reflections; 



