186 



Genus Ixodes 



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16. IXODES BICORNIS Neumann, 1906. 



Fig. 179. 

 Lit. and Icon. : Neumann, 1906, pp. 196, 197, Fig. 1 (reproduced). 



Male : unknown. 



Female : Body oval, red-maroon, 4 x 21 mm. (partly fed), broadest 

 toward the posterior third. Scutum oval, 1*7 x To mm., dark brown, 

 glossy, almost smooth, with extremely fine punctations, excepting about 

 20 large ones along the posterior border: cervical grooves barely visible; 

 lateral grooves marked by a slightly prominent ridge. Dorsum : very short 

 hairs near the lateral borders; marginal groove deep, limiting a prominent 

 fold. Venter bearing long, whitish hairs or else glabrous Vulva between 

 coxae IV. Anal grooves short, convex, divergent. Spiracles whitish, 

 circular. Capitulum long (1 mm.) ; base pentagonal, with sides slightly 

 diverging in front, cornua slight ; porose areas circular or slightly 

 elongated transversely, the interval almost equal to their diameter ; 

 auricula forming a stout spine which is slightly longer than broad. 

 Hypostome long, narrow, pointed, dentition 4 1 4 followed by 3 1 3. Palps 

 long (0 - 85 mm.), narrow, cultriform, article 1 salient ventrally, article 2 

 one and one-half times as long as 3. Legs long, maroon-brown, coxa I 

 with two spurs, the internal longer than the article, and partly covering 



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Fig. 179. I. bicornis ? : part of venter ; hypostome. (Neumann, 1906, Fig. 1.) 



