101 



53. Leia insignis, sp. nov. 



5 . Head : frons and vertex black, with pale hairs. Antennae 

 set in well-marked, large cavities, the edges of which are pale 

 yellow. Scape yellow ; flagellam brown, a little paler beneath at 

 the base. Underside of head and the palpi pale yellow. Thoracc : 

 dorsum wholly shining black, but leaving a broad yellow anterior 

 margin ; the shoulders, humeri and the anterior part of the sides 

 also yellow. Metapleurae, metanotuni and the mesopleural region 

 black. Scutellinn yellow, with a row of four strong yellow bristles. 

 Dorsum of thorax with yellow hairs, amongst which can be distin- 

 guished a more or less distinct pair of dorso-centrai rows, which 

 end in a pair of strong yellow bristles. Other strong yellov,' 

 bristles occur laterally in the usual situations, but some of them 

 can hardly be strictly differentiated from the stiff hairs which are 

 irregularly placed around the edges of the dorsum and elsewhere. 

 Abdomen yellow, with sparse, short yellow liairs ; hind margins of 

 segments with a broad black band, which is narrowest on the 

 1st segment, and which shows a tendency to increased width in 

 the middle in the others. Last segment, belly and genitalia all 

 yellow, latter small. Legs yellow, tibiae scarcely darker ; tips of 

 hind femora very narrowly black, tarsi blackish. Winr/s pale 

 yellow, an indistinct narrow, transverse streak towards the tip. 

 Halteres yelloAA'. 



Length 3 millim. 



Described from a single specimen from Ukhrul, Manipur, 

 6400 ft., in the Indian Museum. 



54. Leia nigra, sp. nov. (PI. II, fig. 4.) 



5 . Head black, except the greyish face and pale yellow palpi. 

 Thorax wholly black, pubescent ; dorsum moderately shining, 

 with strong hairs, and with some bristles laterally, on the anterior 

 corners and humexi and on the posterior corners ; the scutellum 

 also bears a row of four strong bristles. Abdomen black, pubescent. 

 Genitalia black; a cylindrical, hairy piece and a ventral plate are 

 visible. Legs black; tibiae pale brownish yellow, apical spurs 

 white (middle tibiae in the second specimen brownish towards tip). 

 Wings pale grey, tip brownish, the colour extending to about the 

 middle of the branches of the 4th longitudinal vein and the tip of 

 the 5th. 



Length 3 millim. 



Described from two examples in the Indian Museum, from 

 Naini Tal, 2. vi. 09 {type), and Simla, 9. v. 09 (Annandale). 



55. Leia spathulata, sp. nov. 



cJ . Head : vertex, frons, and face all black, Avith microscopic 

 grey pubescence, the face with grey reflections when vieA\ed from 

 above ; vertex and frons with, in addition, stiff bristly black hairs. 



