100 



by Loew (" Di]>teren-Fauna Siidafrika's " (1800), p. 3S) as Tahmms 

 hovinus ; but altlu)U<ji;li Ttthanus ustus, Walk., may well he llic Ntcal 

 representativi' of the l^vuropeaii 7'. hovinus, Loew, IIktc arc rcasoriH 

 — such as the very conspicuous, grey, adnicdiau, alxloiiiinal spots, 

 and the absence of pale hind margins to the abdominal segments — 

 for thinking that it is preferable to regard Tabnmis ustus as a 

 distinct species. It may be noted that the type of Tabanus ustus. 

 Walk., is a male, and that of T. temperatus, Walk., a female. 



Up to the present time Tabanus ^istus has been found in (,!a})e 

 Colony, Natal, and North-Eastern Rhodesia ; but if, as seems 

 possible, Tabanus disjunctus, Ricardo {Annals ami Magazine of 

 Natural History, Ser. 8, Vol. I., p. 325 (1908) ) is but a form of T. 

 ustus, Walk., the range of the species Avill also include North-Western 

 Rhodesia, the Congo Free State, and Uganda. 



The localities, etc., of the thirteen specimens of Tabanus ustus, 

 Walk., in the Museum are as follows. — Natal. " Port Natal " 

 (types of T. ustus. Walk., and T. tenvperatus. Walk., and one 

 specimen collected by Gueinzius, before 1858) ; precise locaHty 

 unknown (received from J. F. Quekett, 1902). Kosi Bay, Zululand, 

 February and March, 1906, " on cattle " {F. Toppin). North-Eastern 

 Rhodesia : Muebe and Upper Lukula River, Luena District, September 

 4th and 29th, 1904, " a plague in places " {R. L. Harger). 



Tabanus nyasae, Ricardo. 



Annals and Magazine of Natural History, Ser. 7, Vol, VI., p. 164 



(1900). 



Plate IX., fig. 66. 



This species, which was described from a female from Fort 

 Johnston, Nyasaland Protectorate, in the collection of Mr. W. L. 

 Distant, is represented in the Museum Collection by a single female, 

 from SaUsbury, Mashonaland, Southern Rhodesia, October 12th, 

 1900 {R. H. Thomas). Tabanus nyasce, Ricardo, of which T. 



