246 Genus Ixodes 



42. IXODES TENUIROSTRIS Neumann, 1901. 



PL V, Figs. 1, 2, original. Figs. 241-244 (242-244 from 

 Neumann, 241 original). 



Lit., etc. : Ixodes tenuirostris Neumann, 1901, p. 286, Figs. 5, 6 ( 9 , reproduced). 

 Ixodes tenuirostris Neumann, 1902, p. 119, Fig. 5 (jj, reproduced). 

 Ixodes tenuirostris in Wheler, 1890, p. 40 ; 1906, p. 414, Figs. 23, 24 ( 9 capitulum, 



<$ dorsum, photographed). 

 ? Ixodes trianguliceps Birula, 1895. See Notes on Doubtful Species (p. 293). 



Male (PI. V, Fig. 1 ; Figs. 241, 242) : Body regularly oval, small, 

 reddish yellow all over. Scutum : To x 08 mm., glossy, convex, mar- 

 ginal fold narrow ; very slightly emarginate ; cervical grooves very 

 faint, shallow, divergent ; no lateral grooves ; some very short sparse 

 hairs on the posterior border; punctatioDS extremely minute and 

 inconspicuous. Venter: sexual orifice large, facing the posterior borders 

 of coxae II ; median plate scarcely longer than broad ; anal plate very 

 narrow anteriorly, very broad posteriorly, almost triangular, with sides 

 very divergent and subrectilinear ; adanal plates trapezoid, considerably 

 broader in front than behind ; a few inconspicuous short hairs. Spiracle 

 rather large, subcircular, with its posterior border rather straight. 

 Capitulum short (033 mm. Nn.), with base slightly broader in front 

 than behind, shagreened, with lateral and posterior margins ridge-like. 

 Hypostome short and broad, some denticles distally, followed by 2 | 2 

 files of 3 to 4 short stout teeth succeeded by squamiform teeth. Palps 

 short, thick, convex dorsally, much separated at the base, with long 

 axes converging in front. Legs : coxae rather short and broad, without 

 spurs, but with posterior borders somewhat trenchant; tarsus 4 rather 

 long, tapering gradually. 



Kg. 241. Pig. 242. 



Fig. 241. I. tenuirostris 3 : capitulum in dorsal aspect. From the type at the British 



Museum. (Original, sketch by G. H. F. N.) 

 Fig. 242. J. tenuirostris 3 : posterior part of venter. (Neumann, 1902, Fig. 5.) 



