484 



Genus Haemcqyhysalis 



broad, narrowing in front, with many fairly large punctations ; cervical 

 grooves moderate, deep anteriorly, concave externally ; lateral grooves 

 well-marked, of medium length, including one festoon. Capitulum 

 rather short (0"3 mm. I.) ; base rectangular, punctate, with sharp 

 cornua; palps with article 2 very salient laterally at right angles 

 to the axis, article 2 slightly longer than article 3, article 3 with a 

 very small ventral process directed inwards; hypostome well covered 

 with equal teeth, 4 | 4, about 10 teeth per file. Venter: spiracle sub- 

 rectangular, with blunt dorsal process. Legs : coxa I with blunt 

 internal spur ; coxa II with a slight conical spur near the internal 

 angle ; coxa III almost unarmed, a blunt spur at the inner angle of 

 coxa IV ; tarsus IV of medium length, abruptly narrowing at its tip. 



Fig. 423. Fig. 424. 



Fig. 423. H. hoodi s . Dorsum, tarsus IV, spiracle, palp in ventral aspect. (Sketch by 



C. W.) Warburton and Nuttall, 1909, FIk. 7. 

 Fig. 424. H. hoodi ? . Capitulum and scutum, tarsus IV, spiracle. (Sketch by C. W.) 



Warburton and Nuttall, 1909, Fig. 8. 



Female (Fig. 424): Body (unfed) yellow with darker border, well- 

 marked off by deep marginal grooves, which are nearly parallel ; 

 festoons square. When gorged, the scutum generally shows yellow on 

 the dark body. Scutum oval 1 x 09 to 75 x 0-75 mm.\ truncated 

 posteriorly; cervical grooves sub-parallel, extending about two-thirds 

 its length ; punctations fairly large and uniformly distributed. Capitulum : 

 0"4 mm. long ; base sub-rectangular, with posterior border somewhat 

 concave and cornua almost obsolete ; porose areas reniform and situated 

 anteriorly : well separated ; hypostome 4 1 4, like that of </ ; palps 



1 See note 2, p. 483. 



