cauci£tei du Buysson, 1912), a wasp known in many areas of the world, 

 It IS specialized for parasitism of ixodids and infests most genera. 

 tioSw species, H. theilerae*, has been described by Fiedler 

 U953; from R. oculatus and H. truncatum in southern Africa. Our 

 knowledge of these parasites will be completely reviewed in a 

 forthcoming volume of this work, but a few preliminary remarks 

 are indicated. 



In Africa, parasitism of the kennel tick by H. hookeri has 

 been occasionally reported. Nigeria (Philip 1933l, Bj. Fre nch 

 West Africa (Blanc, Goiran, and Baltazard 1938. As Habrolepis 

 sp.: Risbec 19U). Uganda (Fiedler 1953, Steyn 19 3$). Angol a 

 (Fiedler 1953). Kenya (Philip 195^). We'have'Thus fi; ^TenlL 

 able to find this wasp in Egypt, where the climate is probably 

 too dry for its existence. 



Other tick species known to be attacked in Africa are Hyalomma 

 (sp. truncatum, according to Theiler, correspondence) and hT leachi i 

 in South Ai-rica (Cooley 1929,1930; R. e. evgtsi in South-ifif^ 

 (Bedford note m Cooley 1929); species not mentioned, from Mozam. 

 Sr^J^)!" ' ^' -* ^^°^1°"^ f^- the latter 'area (stnt^ 



rri« rl:A'T^^^?&^tT rf-f i%^*^^ked by H. hookeri in Brazil 

 (da Costa Lima 1915 , U.S.A. (Smith and CoTe T^UTTncludes review 

 of previous reports), and other areas of the world. 



As summarized by Smith and Cole (19^3), infestations of H. 

 hookeri in nature are not known markedly to reduce tick popul^ 

 tions. Experimental attempts in this direction have been in. 

 effective for tick control even when millions of parasites were 

 released (Cooley and Kohls 1933) to attack the Rocky 1-fountain 

 spotted fever vector, Dermacentor andersoni (Stiles). Soviet 

 experiences with this parasite have been reviewed by Pervomaisky 

 (1947; and Blagoveschensky (1948). 



*Dr. B. p. Burks states (correspondence) that this unquestionably 



is a distinct and valid species. 



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