322 



? . Palpi flat dorsally, with convex margin ; tooth 

 on first segment well developed. Scutum : brown, 

 eyes flat, belly uniform colour. Scutum as broad as 

 long, or a short oval ; anal margin not fringed with 

 white. Scutum : with distinct, somewhat unequal, 

 fine punctations. Marginal furrow clearly marked. 

 Porose areas as a rule separated by twice their diameter. 

 Pathogenicity. Transmits P. parvum (p. 283). 



(2) Eu. simus. <? . Marginal furrow single, the 

 median and accessory furrows in front of the hind 

 margin very slightly, if at all, indicated (characteristic). 

 Marginal festoons are long, and are separated by deep 

 furrows. Adanal shields not pointed. Ext. spiniform 

 ' shield ' present. Eyes flat, large, and yellow. Scutum 

 brilliant reddish brown ; punctations large and equal, 

 arranged more or less in four rows with or without 

 additional fine, hardly visible, punctations. 



cf . Eyes flat, scutum broader than long, puncta- 

 tions distinct, unequal, the fine ones little visible. 

 Porose areas separated by a distance equal to their 

 diameters. Lateral angle of the rostrum not con- 

 spicuous. It is the * black-pitted tick ' of S. Africa. 



Pathogenicity. Transmits P. parvum. 



(3) Eu. evertsi. <? . Shield shagreened ; uniform 

 deep brown colour with red border. Marginal furrow 

 simple. Eyes spherical. Characteristic are the legs, 

 saffron red. Eleven marginal festoons unbordered with 

 white as in Eu. capensis. 



? . Shield shagreened. Eyes brilliant and 

 spherical. Legs red. The ' red-leg tick ' of S. Africa. 



Pathogenicity. Transmits P. equi. Larvae and 

 nymphs which have fed on infected animals transmit 

 in the adult stage "(p. 286). 



Bionomics. Passes the first moult on, the second 

 moult off the host. It attacks the regions around the anus. 



