20 PIPUNCULID^. 



tlie middle; on the 3rd, 4th and 5th are black basal bands, very 

 narrow in the centre, and much widened at the sides of the 

 segments; on the Gtli the black band is of uniform width and 

 very narrow ; this segment bears a long ferruginous-brown 

 process bent under tlie venter, with hairs towards its tip. The 

 whole abdomen is covered with ratlier long (but not dense) pale 

 hairs, mixed with a number of black ones, these latter having no 

 relationsliip to the black parts in the ground-colour. Lerfs : 

 00X36 brown, with a little silvery I'eflection in certain lights; 

 remainder of legs bright lemon-yellow, practically bare, but the 

 tibiae have several rows of almost microscopic spines towards the 

 apices ; tips of tarsi dark brown ; claws and pulvilli much 

 enlarged ; inner side of hind femora not shining. Wings quite 

 clear,. extreme base very pale yellow ; anterior cross-vein placed 

 at two-fifths from the base of the discal cell ; 4th longitudinal 

 vein taking an outward curve on quitting the posterior cross- 

 vein ; 3rd costal segment twice as long as 4th and about equal in 

 length to the oth ; halteres pale yellow. 



Length, 4 mm., without ovipositor. 



Described from a ]jerfect 5 in the Indian Museum from 

 Margherita, Assam. 



A A'ery striking and beautiful species and apparently closely 

 allied to Becker's hepaticolor, from which I ditferentiate it as 

 follows: there is no darkening of the stigma; the thoracic 

 dorsum is blackish not greyish ; the abdominal marks are some- 

 what different ; the femora have no black streaks above ; and the 

 anterior cross-vein is placed distinctly before the centre of the 

 discal cell. 



20. Pipunculus linipidipennis, Brun. 



Fipunculus Umpidipeiinis, Brunetti, E,ec. Ind. Mus. -Nii, p. 491 

 (1912). 



S $ . Bead with frons of uniform width, greyish, with a silvery- 

 white shimmer when seen from above; face below antennae 

 similar; antennae blackish, 3rd joint white with silver shimmer; 

 arista black; eyes (in $) with the facets much larger on each 

 side of the frontal space than those behind; back of head promi- 

 nent, grey, with a whitish shimmer. Thorax dark aeneous-grey, 

 moderately shining, bare; sides and humeri a little lighter; 

 scutellum aeneous-black, bare, shining. Abdomen concolorous, 

 with a slight olive-green tint, submetallic, bare, unmarked ; 

 venter unicolorous ; the last abdominal segment bears in the J a 

 knob-like process, and in the $ a long horny process bent under 

 the venter. Legs : femora blackish, base and tips yellowish- 

 brown; tibiae with a broad blackish ring, occupying the middle 

 third or more; tarsi yellowish brown; no ciliution on middle 

 femora ; hind femora shining black on inner side. Wings quite 

 clear ; 4th longitudinal vein, after quitting the posterior cross- 

 vein, running almost straight to the wing-border, without being 



