346 Mr. E. E. Austen on new 



longitudinal stripes, interrupted on transverse suture ; abdo- 

 men clove-brown, clothed above with relatively long and mainly 

 dark brown hair, hind borders of first and second segments 

 light grey ; legs entirely clove-brown, front tibice slender, not 

 at all incrassate, hind tibia stouter, bearing on outer side a 

 fringe of long and fine dark brown hair, inner surface of hind 

 tibia with a shorter and less conspicuous fringe. 



Head : front broad, frontal callus large, shining black, 

 semicircular in outline (lower margin straight), not extending 

 to eyes ; ocelli close together, anterior ocellus in contact with 

 upper margin of callus, a transversely elongate shining black 

 fleck extending outwards from each of the other ocelli, but 

 not reaching eye ; face slightly arched, but not prominent, 

 an irregularly quadrate, shining black facial tubercle below 

 each antenna, each tubercle (in typical specimen, at any rate) 

 in contact with its fellow in middle line above; eyes large, 

 descending to lower margin of head, no shining spot on 

 jowls ; upper half of front and middle part of face clothed 

 with brownish hair, jowls clothed with yellowish hair, hair 

 on face and jowls long and erect ; palpi dark brown, terminal 

 joint curved, not swollen at base; antenna short, dark 

 brown, first and second joints cylindrical, clothed with 

 brownish hair (third joint missing in case of type), first joint 

 not swollen, but thicker and somewhat longer than second, 

 combined length of first two joints in case of type 1 mm. 

 Thorax : pleurae clothed with brownish hair ; scutellum 

 clove-brown. Abdomen : grey hind border of second seg- 

 ment narrow, of uniform depth, occupying about distal 

 seventh of segment ; grey hind border of first segment deeper 

 on sides than in middle (at least twice as deep as hind border 

 of second segment) ; extreme hind margins of third to sixth 

 segments inclusive narrowly lighter (yellowish pollinose) ; a 

 small patch of yellowish hair in middle of hind borders of 

 first and second segments ; terminal segment clothed with 

 yellowish hair above and below ; venter dark brown, clothed 

 (except terminal segment) with brownish hair. Wings 

 hyaline, extreme base, costal border above and as far as end 

 of first longitudinal vein, and a sharply defined, oblique, 

 transverse band, resting on distal third of first longitudinal 

 vein and extending into anal cell, just beyond posterior 

 branch of fifth vein, dark brown; transverse band crossing 

 wing in such a way as to leave approximately distal third of 

 discal cell hyaline; proximal and distal margins of trans- 

 verse band roughly straight, without a projection or con- 

 spicuous indentation ; centre of discal cell somewhat lighter; 

 veins brown. Halteres : knob russet-brown, stalk dark 



