323 



(4) Eu. bursa. $ . Scutum reddish brown, with 

 equal, fine, distant, punctations. Marginal furrow 

 present, simple. A postero-median and accessory 

 furrows present. Characteristic are the triangular 

 anal plates with broad hind margin and accessory spine 

 external to them. Length 4 mm. 



? . Scutum dark reddish brown, oval, nearly as 

 broad as long. Often concave behind the eyes. 

 Punctation numerous, thick, equal. Anal margin is 

 not white. Belly uniform in colour. Europe, Africa, 

 West Indies, Malay. It occurs on the goat in India. 



Pathogenicity. Transmits P. ovis in Europe. 



Bionomics. (Vide p. 290). 



(5) Eu. sanguineus. -- $ . Eyes flat. Scutum : 

 marginal furrow single, punctations clearly seen, 

 regular, unequal, numerous. Characteristic are the 

 two roundish shagreened pits on each side of the 

 postero-median (dorsal) furrow. These do not reach 

 the posterior margin. Tail short or absent, not so 

 prominent as in Eu. a-p-pendiculatus. 



? . Scutum hollowed out in front, a long oval, the 

 angle being rounded. Punctations of unequal sizes. 

 Porose areas separated, as a rule, by about their 

 diameter. In both sexes Coxa I has the inner process 

 long and sharp, not rather stumpy as in other species. 

 Found on dogs in most tropical and sub-tropical 

 countries. 



Pathogenicity. Transmits P. canis. 



GENUS MARGAROPUS (= BOOPHILUS) 



Differs from Eurhipicephalus in the following 

 points : 



(i) Stigmata round ; (2) marginal festoons absent ; 

 (3) anal groove absent ; (4) palpi : second and third 



