20 Annals of the South African Museum. 



with 7-8 strong and yellow bristles. Wings wholly hyaline ; the veins 

 as in mundus, but the discal cross-vein placed exactly on the centre 

 of the discoidal cell, and the first posterior cell obtuse at end, with a 

 long stalk. 



BOMBYLIUS MARGINELLUS, Sp. nOV., . 



Like the preceding, but distinct owing to the black third antennal 

 joint and by the scutellum marginated with black. 



Type 9 , a single specimen from Matjesfontein (Cape), September, 

 1896 (W. F. Pin-cell). 



Length of body 8 mm. ; of proboscis 4 mm. Head as in mundus, 

 with entirely yellow hairs, those on the hind border of the occiput 

 very long ; first antennal joint dark yellowish and with yellow hairs, 

 second blackish, third black, long, with a very short and thin style. 

 Palpi dark brown ; proboscis entirely black ; frons as broad as in the 

 female of mundus. Thorax and abdomen with wholly pale yellowish 

 hairs ; the bristles are hidden between the hairs. Scutellum red, with 

 a black base and a broad black border. Halteres with a white knob. 

 Abdomen entirely black, even on the venter. Legs yellow, with the 

 two last tarsal joints black ; claws short ; hind femora with 6-7 very 

 long and strong yellow bristles. Wings hyaline, a little dark yellowish 

 at base and along the costal cells ; basal comb yellow ; veins as in 

 mundus, but the first posterior cell short, obtuse, with a long stalk ; 

 the discal cross-vein is placed a little after the middle of the discoidal 

 cell, and the fourth longitudinal vein is strongly curved below 

 after that cross-vein ; the discoidal cell therefore is less obtuse at the 

 end than in the other species. 



BOMBYLIUS PATERCULUS, Walker (1852). 



Distinct owing to its smaller size, dark pubescence, and yellow hind 

 borders of the abdominal segments. 



A single female example from Bushmanland (Cape), Jackal's Water, 

 October, 1911 (R. M. Lightfoot). 



Head as in mundus ; second antennal joint black like the third ; 

 proboscis dark red below, 3 mm. long, while the length of body is 

 7'5 mm. ; occipital hairs long. Scutellum red, with black base. 

 Abdomen black, sides, venter and narrow hind borders of segments 

 red. Legs as in the preceding, the hind femora with five long, yellow 

 bristles. Wings as in mundus, entirely hyaline, with the first posterior 

 cell short and long stalked. 



