TICKS OF THE BELGIAN CONGO. 



33^ 



(6) LONGIROSTRATA. 



Group I. 



Genus 8. Hyalomma. 



Generic characters : Scutum inornate (or rarely ornate) ; legs at times handed with light 

 markings ; ivith eyes, ivith or ivithout festoons, with long palps, basis capituli sub- 

 triangular dorsally. The female approaching Amblyorama in appearance. The male 

 ivith adanal shields and paired chitinized points borne on posterior abdominal protrusions. 

 Coxa I bifid. Spiracles comma-shaped. 



The genus is represented in the Congo by one species : Hyalomma aegyptium 

 (Linnaeus) which can be readily recognized by the characters depicted in the 

 illustrations (figs. 37 and 38). For biology see p. 346. 







Fig. 37. Uyalomma aegyptium (Linn.), S • dorsum and venter (Nuttall 



and Warbmton, 1909). 



Fig. 38. Hyalomma aegyptium. 



(Linn.), $ : capitulum in dorsal 



and ventral aspects (Nuttall, 



1911). 



