228 



Genus Ixodes 



35. IXODES RASUS Neumann, 1899. 



Figs. 224-226 (Fig. 225 original). 

 Lit. and Icon. : Neumann, 1899, pp. 137-139, Figs. 12-14 (reproduced); 1901, p. 285. 



Male (Fig. 224): Body oval (27 x 1-6 mm., Nn.), broader behind, 

 with posterior border rounded. Scutum convex, reddish brown, marginal 

 fold narrow (01 mm.), uniform. Cervical grooves faint, at first parallel, 

 then divergent. Very numerous fine, equal punctations, distributed 

 over the whole surface. Venter : sexual orifice broad, opposite the second 

 intercoxal space; pregenital plate quadrangular and finely punctate; 

 pre-anal plate very large, broad posteriorly, punctate ; anal plate circular, 

 the anus eccentric, nearer the anterior rim of the circle. Spiracles large 

 and long-oval, almost twice as long as broad, slightly tapering behind. 

 Capitulum short (055 mm.), slightly longer than broad, broadest just 

 behind the palps. Hypostome (Fig. 224 (7) short and broad, sometimes 

 slightly indented, dentition 4 1 4 to 3 1 3, the teeth increasing in size 

 posteriorly, the rows are irregular, and the internal teeth are flat and 

 blunt, while the external teeth are pointed, the last externals very large. 

 (Digit; see Fig. 224 B.) Palps short, broadest at junction of articles 2 

 and 3, which are almost equal in length. Legs long, the last two articles 

 of pair 4 extending beyond the abdomen. Coxae large, the first three 

 noticeably glossy, the last punctate. A short, blunt spur at the postero- 

 internal angle of coxa I and at the postero-external angle of coxa IV. 

 Coxae II and III unarmed. 



Fig. 224. I. roam s: .4 venter; B digit, x210; C hypostome, x 135. 

 (Neumann, 1899, Fig. 12.) 



