LATH-EBOPHTHALMUS. S3 



black hair ; frontal triangle entirely shining black, clothed with long 

 black hair ; frons of female rather narrow, densely covered with 

 dark grey pollen, with long dark hairs (which become paler towards 

 the antennae) in the middle, shining black around the ocelli and 

 above the base of the antennae ; antennal tubercle very prominent ; 

 antennae black, the third joint elongate, rectangular, but rounded 

 on the upper side, with a yellow border below ; arista longer than 

 the antenna, bare, dark red ; face shining black, the pollen on 

 its sides very faint in the male, denser in the female ; facial 

 tubercle small, shining, black, prominent and rounded ; face much 

 produced below ; peristoma narrow and shining black, white pilose 

 beneath ; epistoma deeply divided, the opening of the buccal cavity 

 long and narrow ; proboscis black. Thorax black, dark grey 

 pollinose, somewhat shining, especially behind the suture, with 

 trace of dark longitudinal stripes and clothed with long yellowish- 

 grey hairs, which are greyer on the pleurae. Scutelkim rounded, 

 yellow with metallic reflexions, blackish towards the base, clothed 

 with long hairs like those on thorax, without any black hairs ; 

 squamulae yellowish white, with whitish fringes ; halteres whitish. 

 Abdomen of the male with a metallic sheen over the whole surface; 

 first segment black, bordered with grey ; second yellow, with a 

 black border in front and behind, united together in the middle ; 

 thii'vl black, with a yellow spot on the fore border on each side ; 

 fourth entirely black ; genitalia shining black ; hairs long, pale on 

 the base and on the yellow portions, black at the end and on the 

 dark portions ; sides and belly clothed with very long yellowish 

 hail's. Abdomen of the female black, with a yellow spot on each 

 side of the second and third segments, those on the second being 

 broader ; fourth with a basal whitish tomentose transverse band. 

 Legs black, tibiae yellow at the base ; hind femora not thickened, 

 narrowly yellowish at the base ; front tarsi black, the others yellow 

 at the base ; hairs black, pale on the yellow portions and on the 

 hind femora. Wings hyaline, without pubescence, but with a 

 slight yellowish tinge towards the middle ; venation typical, but 

 the marginal cell very short-stalked, sometimes almost sessile ; 

 second basal cell rather dilated towards its upper exterior angle ; 

 stigma dark yellow, broadly black at the base, and more narrowly at 

 the end. 



Type cT , type $ , and three other additional specimens from 

 British East Africa, five miles within Kenia Forest, near Luchi 

 Kiver, 9. ii. 1911, and K. side of edge of foot of Aberdare Moun- 

 tains, 7,300 ft., 24. ii. 1911, collected by T. J. Anderson, in whose 

 honour the variety is named. 



80. Lathyrophthalmus melanops, Karsch (1SS7). 



Very near the preceding species, and perhaps only a variety of 

 it, distinguished by the paler coloration of abdomen and legs, and 

 by being known only from the West Coast. 



Described from Pqngo-Andongo under the names melanopt 



a 2 



