SPllKGIXA. 109 



black, base of 2utl segment and wbole of 3rd pale -wliitish-yellow. 

 Lefjs : anterior pairs pale yellow, tips of tarsi bro\\ nisli ; hind legs 

 yellowisli-brown, witii femora broadly dark brown at tips and on 

 upper side, tbe colour extending over the sides, but not reaching 

 the ventral surface for a certain space beyond the wholly pale 

 yellow base. Wings pale grey, subcostal cell darker grey ; tip of 

 wing infuscated as far inw ards as just proximal to the upturned 

 section of 'ith longitudinal vein ; but, in the marginal cell. 



Fig. 19. — SpJiecjina tristriata. Bfun., wing. 



implanted in tbe infuscated part, is a tear-shaped clear spot in 

 contact witb tlie clear part of tlie wing ; small infuscations over 

 the origin of 3rd vein, anterior cross-vein and upturned section of 

 5th vein ; anterior cross-vein almost exactly at one-third of discal 

 cell, not beyond one-third. Jlalteres dirty white. 



Length, 6 mm. 



Described from a unique 6 from Eotung, N.E. Frontier of 

 India, 6-13. iii. ]912 {Kemp). In tbe Indian Museum. 



86. Sphegina tricoloripes. Ih-un. (PI. Ill, fig. 11.) 



d'p/iefjuifi tricoloripes, Bruuetti, Rec. Iiid. Mas. xi, p. 'J2o, pl. xiii, 

 tig. 9, wing (1915). 



$. Head: frons blackisli-grey, nearly one-third the width of 

 the head, uniform in width, vertical triangle not very distinct ; 

 face blackish-grey; upper mouth-border well produced, proboscis 

 moderately long, bruwnish-yellow. Antennal prominence distinct 

 but small, antennae blackish ; 3rd joint slightly produced above at 

 base; occiput blackish-grey. Thora.r dull blackish, with two 

 rather narrow, well separated, greyish dorsal stripes from anterior 

 margin to scutellum ; shoulders a little greyish. Scutellum rather 

 shining black, with a pair of apical pale bristles, convergent and 

 weak. Abdomen tawny-brown, much contracted at base, widening 

 rapidly from middle of 2nd segment to tip of 3rd, thence gradu- 

 ally narrowing : upper side of last segment a little obscure ; a few 

 long whitish hairs at sides at base of abdomen, the reiiuiinder of 

 tlie dorsal and ventral surfaces jiractically bare. A'enter tawny- 

 brown. Legs ; front pair with coxa\ base and tip of femora, basal 

 half of tibiic and the metatarsi yellow, the remainder black. 

 Middle pair similar, but the very short coxa) obscure. Hind ])air 

 much enlarg<'d, \\ith obscure coxa;; of the hind femora the basal 

 fourtii is bright lemon-yellow, tbe remaining [)ortion witii 



