ITC) Miss G. Ricardo nn (lie Asili(lfe. 



tliesc specimens appear to be identical with liis species, 

 answering in every detail to liis description, with tlic 

 exception of size, Loew ^avinji; the length as 2()-20^ mm. — 

 these measnre from 24—25 nun. 



It is a rohnst species distingnislied by the wholly black 

 leffs with white pubescence and hairs and some white bristles. 

 Scutellum with yellowish or whitish hairs and bristiv hairs. 

 Palpi white-haired. The fjenitulia at once distinguish the 

 male, the upper forceps being large and curved to meet each 

 other at their apices, leaving a space between, in which 

 ;i])p('ars the middle organ, a slender piece with a large sliort 

 spine near its base below; the forceps are bifid, the lower 

 tooth being sharp and spine-like, the upper oue large ami 

 obtuse. 



Promachus amastrus, Wlk. 



List Dipt. ii. p. 394 [Asilus'] (1849) ; et vii., Suppl. 3, p. 599 [Trupanea] 



(185.0). 

 rromachus sciliinis, Wlk. List Dipt, ii. p. 395 [Asilus] (1849). 

 ? Promachas adithus, AVlk, List Dipt. ii. p. 429 [Asilus] (1849). 

 rromaclnis capreolus, Loew, Ofvers. Kongl. Vet.-Al(ad. Fiirhandl. xiv. 



1857, p. 360 (1858) ; et Dipt. Sudali-ik. i. p. 333 (18tiO). 

 Promachus bicolor, Ricardo, Ann. & Map. Nat. Hist. (7) vi. p 173(UK)0). 

 Promachus solus, Adams, Kansas Univ. Sci. Bull. iii. p. 153 (1905). 



Types (male and male) from S. Africa {Dr. Stnit/i). 



Type (female) of P. scihn'us from S. Africa. 



Tvpes (male and female) of P. cedithns from S. Africa 

 (/)?•' Smith). 



Type (female) of P. hicolor from Pretoiia. 



Males and females from junction Blaaw Krantz and 

 Tneela Rivers, Natal, Oct. 1896 {G. A. K. Marshall). 



Two females in the Durban Coll. from Salisbury. 



Males and females from Natal, Cape Colony, and Orange 

 Free State in Cape Museum Coll. 



The type of P. scilnrus is in very bad condition, bnt 

 appears identical with P. amostrus. as docs /'. a>(lifhus, but 

 owing to their condition it is im])ossible to be certain. 



The specimen I named P. hicolor appears the same, 

 evidently the wholly red legs with no black stripes being an 

 exception to the general rule. 



Adams's si)ecies, P. solus, described from one female, 

 measures 15 mm., and app(>ars from the description to he 

 identical with AValker^s type. 



A species larger than P. venrrahilis, Wlk., the second joint 

 of antcnnie is not yellow. Genitalia alnu)st identical. 

 Occiput with usually short yellow bristles, but sometimes 



