Bahr El Ghazal ; GaluaL-Nyang Forest (Very common on bitffalos 

 and giraffes; SVS, HH. The absence of this tick on the numerous 

 tiang examined in this area is notable). Aliab (buffalos; SVS). 

 Lau (SGC). Lake Nvubor, Boro, Khor Shammam, and near Raga (SVS) . 

 Yirol (horses; SVs). 



Upper Nile ; Bor, Ler, and Fangak (SVS) . Malakal (HH) . 



Blue Nile ; Common at Wad Medani (HH) . Abu Zor, Hosh, near 

 Ethiopian border, and Lake Ras Amer (camels and cattle; SGC). 



Kordof an : "Western Jebels" and Umm Inderaba (SVS) . 



Darfur ; Nyala, Zalingei, Radom, Sibdo, Muhagariya, and 

 Sahafa tcommon on camels, cattle, sheep, and horses; SVS) . 



Kassala ; Kassala (camels and cattle; SVS). Port Stodan (SVS). 



Khartoum ; Khartoum; Numerous specimens have been collected 

 from sheep, goats, and horses, but few from cattle (HH) . At the 

 Khartoum quarantine station many adults are found on Darfur and 

 Kordof an cattle. The Sudan Government collection contains a 

 series of adiilts reared from nymphs from a kite, Milv\is migrans , 

 by H.H. King, 20 September 1922. 



Northern ; Shendi (camels and donkey; SVS) . Wadi Haifa 

 (camels; SGC, HH). 



DISTRIBUTION 



H. nifipes is widely distributed in many drier parts of Afri- 

 ca but it IS quite localized and seldom very common in any Iqcality. 

 The haiiy hyalomma is not known from many of the more westerly 

 areas of Africa. It is present in the Yemen (Southwestern Arabia); 

 and in North Africa occurs in Egypt and Libya but is not known fur- 

 ther west on the Mediterranean littoral. 



Elsewhere, H. rufipes occurs in Palestine, Iraq, Eastern Ana- 

 tolia, and Russia (Transcaucasia, Astrakhan, Kazakhstan). Soviet 

 workers find H. rufipes in such small numbers and in such scattered 



- 481 _ 



