South African and Oriental Asilinse. 177 



Proinachus pallidus, c? ? , sp. u. 



Tj^pe (male) and two others, type (female) and three 

 others, all from the same locality and by the same collector 

 as Promachus beesoni ; none of them are very perfect, but 

 appear immature — however, they are very distinct from the 

 last-named species. 



A light-coloured species with yellowish legs, the abdomen 

 yellowish with brown spots. 

 • Length, ^ 23-24, ? 22-23 mm. 



Male. — Face yellowish brown covered with yellowish and 

 white glistening tomentum. Moustache of yellow bristles, 

 sometimes a few black ones intermixed. Palpi yellowish 

 and yellow-haired, some black hairs on the inner sides. 

 Antennae yellowish, the last two joints brownish, the first 

 joint with black and yellow hairs, the hairs between them 

 and the moustache are short and pale yellow. Hind part 

 of head with chiefly black bristles in the centre and whitish 

 hairs beyond. Thorax yellowish brown with two distinct 

 darker median stripes; the whole dorsum clothed with short 

 black bristles, with the usual long black bristles on the 

 posterior part. Scutellum with Aveak white hairs and 

 strong black bristles on dorsum and at edge, though white 

 ones appear on the edge only in some specimens. Abdomen 

 same colour as thorax and scutellum ; the usual large spots 

 are brownish and the segmentations yellowish ; the pubes- 

 cence of weak white hairs thickest on the basal segments 

 and at their sides. Genitalia rather small, same colour as 

 abdomen; the upper forceps stout, rather truncate at tips, 

 the under pair stout, short, all with long black bristly hairs 

 above and below. Leys pale chamois-leather colour; the 

 knees black ; femora and tibise with weak long white 

 hairs, thickest on the first two pairs, the fore femora 

 unarmed, all bristles black ; pubescence on legs white. 

 Wings clear, with one grey streak on the first submarginal 

 cell, the small transverse vein at the middle of dorsal cell. 



/'Iwa/e identical. Palpi darker, with chiefly black hairs. 

 Scutellum with two rows of chiefly black bristles and short 

 white hairs. Legs with not so many long hairs. Ovipositor 

 short. 



Philodicus, Loew. 



Linn. Ent. iii. p. 391 (1848). 



Distinguished from Alcimus by the shorter submarginal 

 cell. Loew also divides it from this last genus by the much 

 Ann. X' Maq. N. Hist. Ser. 9. Vol. viii. 12 



