IXODES 



721 



The male has an oval body, broader posteriorly, 2-5 by i-s^milH- 

 metres. Scutum convex, deep red-brown. Genital pore on a plane 

 with the third coxa. Pregenital and anal^shieldsjwell marked. 

 Capitulum long. 



a b 

 Figs. 331-332. — Ixodes pilosus Koch, 1844: Ventral Aspect. 

 a, Male (X 10) and mouth parts; b, mouth parts and female (X 10). - - 



The female, when young, has a fiat, oval body. Replete female 

 is like a castor-oil bean, 10 to 11 by 6 to 7 millimetres, of ashy 

 colour. Tegument covered with fine, short hairs. Dorsal surface 

 with three well-marked posterior grooves^^andjtwo anterior. 



a b c 



Figs. 333-335. — Aponomma gevvaisi Lucas, 1847: Ventral Aspect. 

 a, Male (X 15) ; b, mouth parts (more highly magnified) ; c, female (X 15)- 



Genital pore at the level of the fourth coxae. Genital grooves 

 unite in front of the vulva. Well-marked pre-anal crescentic 

 groove, open posteriorly. Stigmata whitish. Porose areas elon- 



46 



