XYLOTA. 



243 



similar spines on upper outer side. Tibiae blackish-brown, 

 distinctly carved, narrowly yellowish at base; hind pair ending 

 on inner side of tip in a very small tooth ; on outer side, just 

 beyond middle, is a curious, small area of roughened surface 

 (which apparently meets the spines iu the middle of the under 

 side of the femur when the legs are closed) ; tarsi entirely dark 

 brown. Pubescence of hind femora moderately long, mainly 

 ■confined to upper and lower sides, brownish and greyish; that of 

 hind tibial whitish, short except on about middle third of inner 

 side and over the roughened space ; that of tarsi whitisli, short 

 except on outer side of metatarsi, wliere it is white and very 

 obvious, and on inner side, where it is rich brown-yellow. Wings 

 uniformly moderately dark grey; stigmatic region moderately 

 dark brown ; halteres orange. 



Length, 15 mm. 



Described from two d 6 in tlie Bririsli iNluseum. Lower 

 Kanges, Khasi Hills, Assam,, 1878 {Chenndl). 

 ^^^T\\\s insect is clearly distinguished from all other Indian 

 species, (i.) by the presence of the tooth on the under side of the 

 middle femora, (ii.) by the spines on the upper outer side of the 

 hind femora, and (iii.) by the roughened surface on the outer side 

 of the hind tibiae. 



189, Xylota sequalis, Wallc 



Xylota cequalis, Walker, Ins. Saund., Dipt, i, p. 226 (1852). 



" S ■ Head pale buff, clothed with pale yellow hairs ; crown 

 clothed with black hairs ; a pitchy stripe along the face, which 

 has a bare shining ferruginous knob near the epistoma ; mouth 

 pitchy; feelers black; third joint pitchy at the base; eyes 

 bronzed; facets larger on the crown than elsewhere; chest and 

 breast hoary, thickly ch^thed with pale yellow hairs ; chest with a 

 brassy tinge ; scutcheon tawny, clothed with black hairs ; 

 abdomen black, obconical, tinged with blue on the hind borders 

 of the segments, much longer than the chest, clothed with black 

 hairs, adorned with six bands ; first, second, fourth and sixth 

 bauds tawny, fourth indistinct, third and fifth whitish; legs 

 tawny, clothed with short tawny hairs; tijighs towards the base 

 darker and clothed with darker hairs ; claws aud foot cushions 

 tawny : tips of the claws black ; hind h>gs dark tawny or pitchy, 

 their thighs, shanks, and the first joints of the feet thickly 

 fringed witli black hairs ; wings colourless ; wing-ribs, veins, and 

 poisers tawny. 



"Length of the body G lines; of the wings 12 lines. East 



Indies." 



This species requires confirmation as truly Indian; the ^y^>« is 

 not to be found, nor has the species been recorded since its 

 ■description. 



b2 



