RHIPICEPHALUS TRICUSPIS Donitz, 1906» 



(s R. LTMILATUS Neumann, 1907B). 



(Figures 317 to 320) 



THE TRICUSPID GLOSSI TICK 



DISTRIBUTION IN THE SUDAN 



Bahr El Ghazal ; All from GalueLUNyang Forest, 1953; E. T. M. 

 Reid or N."T. Hancock, collectors; 2c3t5', 2^ from tiang, DaTnaliscus 

 Icorrigum tiang , April. Iff from warthog, Phacochoerus aethiopicus 

 subspp., U September. Id" from oribi, Ourebia ourebi "subs pp. , 7 

 June, Ic? from giraffe, Giraffa camelopardalis subspp., 17 August. 

 2dy, I5 from domestic horse from Busseri, 20 June. 



R. tricuspis is not known from elsewhere in the Sudan but 

 probaBly also occurs on the west bank of Equatoria Province. 



DISTRIBUTION 



R. tricuspis is scattered throTighout Africa, within the 

 Ethiopian FaunSPRegion. 



WEST AFRICA ; NIGERIA (Unsworth 1949,1952. Gambles 1951). 

 TOGO (As R. glyphis ; Donitz 1910A). SIERRA LEONE (Zurapt 1943A). 

 KIENCH W^T Mica (Rousselot 1951,1953B). PORTUGESE GUINEA 

 (Tendeiro 1951E,1952B,C,E, 1953, 1954). GOLD COAST (Stewart 1935). 



^r. G. Theiler has kindly made an extensive study of the morpho- 

 logical variation, distribution, ecology, and taxonomy of this 

 species especially for this work. See also her review of R. 

 tricuspis (1947, pp. 292-298). 



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