igiog.] E. Brunetti : New LeptidcB and Bombylides. 227 



Usia scdophila, mihi, sp. nov. 



d» 5 . Simla. Long. 2| — si ^^im. 



& Head. — Vertex prominent, black, shining; a few erect long 

 hairs. Ocelli distinct, whitish. Eyes black, bare, contiguous for 

 more than half the distance from vertex to antennae ; facets in 

 front and above distinctly larger than those behind and below, 

 but no distinct dividing line. Antennae black, bare, except 

 for an occasional hair ; first two joints short, third somewhat 

 flattened, but thick and slightly curved, elongate, and with a 

 peculiar notch towards the tip on upper side in which is a single 

 hair. 



Proboscis about twice the length of the head, black, cylin- 

 drical, stiff, straight, bent upwards at tip, bare, except for a few 

 minute hairs at tip. Face dark greyish, with some stiff black 

 hairs on each cheek, and a long, elevated, shining black callus 

 between the median line and the eye margins. Back of head black, 

 not produced behind margins of eyes, with long sparse black hairs, 

 continued on under side of head. 



Thorax dull bla?k, velvety on dorsum, some black and pale 

 hairs towards the sides, and three whitish grey elongate spots 

 on anterior border, of which the middle one is often absent, and 

 the outer ones are occasionally indistinct or absent also. Lower 

 part of thorax more or less dark grey. Scutellum black, with 

 some erect light tawny hairs. 



Abdomen dull black, conical, ist segment narrow, wholly 

 black, the remaining six broader, but of diminishing length and 

 breadth to the tip. and with a rather bright yellow narrow poster- 

 ior border to each segment. 



Dorsum comparatively bare, but the sides of the abdomen 

 with pale yellow hairs. Genitala small, inconspicuous, conical, 

 blackish. Belly blackish, posterior margins of segments whitish 

 grey. 



Legs uniformly black, very shortly pubescent ; femora with 

 a little soft hair ; hind tibiae with short bristles. 



Wings nearly clear ; subcostal cell pale yellow, venation 

 normal. Halteres dark brown or blackish, knobs large. 



9 . In this sex the eyes are separated by a wide frons equal- 

 ling one-third of the head. The upper half of the frons, as also 

 the whole back of the head, is greyish yellow, the latter with black 

 hairs as in the or' ; the upper half of the frons with a row of hairs 

 near the margin of the eyes. Vertical triangle distinct, dark. 

 Two narrow fuscous vertical lines lead from the vertical triangle 

 to an irregular transverse dark streak dividing the upper from the 

 lower half of the frons, the latter part being more ash-grey and 

 unmarked. Lower part of the head grej-ish. Proboscis and 

 mouth larger than in the c? , thus narrowing the cheeks consi- 

 derably. 



Thorax yellowish grey, with median pair of narrow fuscous 

 lines, with an outer broader stripe, more or less divided into three 



