Key to species 



853 



Key for the determination of species of Haemaphysalis'. 



Some varieties are included under thie type, others are directly 

 determinable by the key. The species which include varieties are 

 indicated by {v) after the specific name. There are 45 species and 

 varieties whose cfs are known. 



Males. 



1. 



4. 



5. 



6. 



7. 



8. 



1 



Palps not salient laterally, i.e. no wider than the 

 basis capituli ...... 1 



Palps more or less salient laterally . . .2 



No lateral grooves or comua, dentition 2 | 2 



(Europe, Transcaucasia) . . . inermis 



Lateral grooves and cornua, dentition 4 ' 4 (Asia) warburtoni 



jNo lateral grooves . . . . . .3'^ 



[Lateral grooves present . . . .5 



/Palpal article 2 with marked lateral salience 

 I curving forwards (Malaya) .... vid^ux 



Palpal article 2 only slightly salient and scarcely 

 larger than article 3 . . . . .4 



(Palpal article 3 with dorsal retrograde spur (Asia) hystrids 



PAGE 



362 

 369 



\ 



3 without spur (Burma) 



jCoxal spurs normal and inconspicuous 

 (One or more coxae strongly spurred . 



[All the coxae with strong subequal spurs 

 (Coxae II and III only feebl}' spurred 



'All trochanters with ventral spurs 

 Only trochanters I and II spurred ; 

 humped (Africa) 



Palpal article 2 much longer than 3 ; body pro- 

 j truding behind scutum (Madagascar) . 



Palpal articles 2 and 3 sub-equal, each with a 

 ventral retrograde spur . . . . 



495 



422 

 415 



tarsi 



birmaniae 



16 

 6 



7 

 10 



8 



calcarata {v) 442, 444 



elangata 

 9 



498 



* For explanations of terms and signs used see pp. 127-132 [Ticks Part ii). and p. 361. 

 ^ See H. obtusa, from E6union, which is leachi-like in other particulars. 



