'32 svRPUtu.i:. 



luediau siripe oa face. AiileiiniB large and elongate, blacldsb, 

 lower part of: 2nd and 3rd joints more or less brownish-orange ; 

 arista bare. Occiput exceedingly concave, dark grey wirh a 

 little short yellowish or greyisli pubescence on margin. Tliorax 

 rather shining blue-black, punctulate ; with a pair of greyish 

 rather narrow median stripes, generally united broadly in centre 

 of anterior margin, thence diverging and uarrov\ing, disappearing 

 before hind margin; whole dorsum with yellowish-brown 

 pubescence, which is longer and more yellowish in the humeral 

 re'^ion. Sides of thorax shining black, punctulate, with a con- 

 spicuous stripe of greyish-white long pubescence from below 

 humeri to sternopleurae. Scutellum black, punctulate with 

 brownish pubescence, hind margin broadly yellow witli serrated 

 edo'e of about 13 to 16 teeth. Abdomen so variable that a normal 

 example is difficult to select ; perhaps the most typical form is as 

 follows : — Eiiielv punctate ; 1st segment generally black, sometimes 

 partly or wholly reddish-brown ; 2nd generally reddish-brown or 

 orauo-e-brown, more or less blackish on anterior margin broadly, 

 or towards sides, or both ; 3rd, 4th and 5th segments varying from 

 wholly some shade of brown or yellowish to nearly wholly black, 

 or with their centres or sides mainly black ; 3rd and 4th segments 

 with a whitish dust-band on each side on the anterior margin, 

 these bands not united in median line ; 5th with a similar, some- 

 times broader dust-band, uninterrupted in middle, placed rather 

 diagonally; (ith segment from orange-brown to black, with white 

 pubescence at tip. Anterior corners of abdomen sometimes 

 entirely black, but always with a little long whitish pubescence. 

 Pubescence of abdomen whitish, more obvious towards sides and 

 on the whitish dust-bands. Venter yellowish. Legs : coxfe, base 

 of fore femora broadly, about basal half of middle pair and basal 

 tlu'ee-fourths or more of hind femora, black; hind tibioe more or 

 less brownish on about apical half ; hind metatarsi brownish-black ; 

 rest of legs orange or yellowish, a little variable; pubescence of 

 legs whitisii. Wings quite clear, stigma and base pale yellowish ; 

 halteres yellowislu 



Length, about 5 mm. 



Described frotr. a good series in the Indian Museum, Pusa :md 

 other collections. A variable species, especially in the extent of pale 

 colour in the abdomen. Chitlong, Nepal; Mussoorie, ix. 1906 ; 

 Dehra Dun; Sukna (Annandale) ; Purnea (Paiva); Cawnpore 

 District (Crtim/er); United Provinces (Caunter) ; I^atpuri, Bombay ; 

 Karachi; Allahabad, 5.x. 1905 {Hoidett); Pusa, 27. xi. 1905 

 (LefroH), 18. xii. 1905 Puri (Kemp) • Madhupur, Bengal {Faiva) ; 

 Calcutta (vftr.coZZ.); Bangalore; S.India; TvuMincove {Annandale)-, 

 Mormugao, Goa, ix. 1916 {Kemp); Dawna Hills; Sadiya ; 

 Dibrugarh ; Batavia ; Sarawak; Papua. Apparently widely 

 distributed in the East, and immediately recognized by its seri-ated 

 scutellum. Also common in Africa. 



Type 6 in Fabricius collection. 



