234 



SYRPHID^. 



and liind femora black, except tips of the latter, which are broadly 

 yellow; rest of legs yellow; middle femora a little darker 

 indefinitely at base and tip ; hind tibiae dark shining brown, paler 

 at base ; hind tarsi a little browner above at base. Pubescence of 

 anterior legs very short, whitish ; longest on hinder side of middle 

 femora. Hind legs with short yellowish or whitish pubescence. 

 Hind femora moderately and ratlier uniformly thickened and dis- 

 tinctly compressed on inner and outer sides at tip, with a number 

 of short spines in a double row below near tip. Winc/s very pale 

 grey; stigma just perceptibly yellowish: halteres yellowish; 

 squamae dirty white, margin brownish-yellow with long dark 

 brown fringe. 



Length, 13 mm. 



Described from a single $ in the Indian Museum from Siireil, 

 Darjihng District, 5000 ft., iv. or v, 1917 (A'ejjy)). A very beau- 

 tiful cupreous species with deep violet reflections and somewhat 

 resembling assame7isis. 



180. Xylota anmilata, Bmn. 



Xylota annuhita, Brimetti, Rec. liid. Miis. ix, p. 270, pi. xiv, 

 ligs. 11,15 (1913. 



S $ . Head : S , eyes contiguous for half the distance from the 

 black vertex to the face ; frons a small ti-iaugle with very short 

 grey pubescence below the space occupied by the reddish ocelli. 

 I'ace black on upper part, yellow on lower part, wholly covered 

 with yellow tomentum, except for the shining black upper side of 

 the antennal prominence. Antenna) rather dark brown, shining, 



Fig. 47. — Xylota annulata, Bruu., abdomen. 



bare, a few short bristles on basal segments. Mouth-parts blackish- 

 brown. Occiput blackish, a little sparse yellowish-grey hair behind 

 the eye-margins. In $ , frons less than one-fifth the width of 

 head at vertex, widening distinctly down to antennae, wholly 

 black, with a little very short bright yellow pubescence which may 

 (apparently) extend over the whole frons except perhaps towards 



