460 
Messrs Cooper and Robinson, 
Amblyomma caelaturum sp. n. 
Figures 6 — 9. 
Male, L. 7'1 mm., W. 6.8 mm. Body (Fig. 6) almost circular, 
contour slightly indented and flattened on antero-lateral margins. 
Scutum dark brown with three metallic iridescent patches, one at 
either scapular angle and a single round spot at the postero- 
median angle of the pseudoscutum ; scutum does not cover entire 
dorsum (protrusion of body laterally and posteriorly may vary 
according to the state of engorgement of the tick) ; coarsely and 
irregularly punctated, punctations numerous, confluent in places ; 
small slightly elevated symmetrically arranged areas, devoid of 
punctations ; cervical grooves deep and convergent anteriorly, 
shallow and divergent posteriorly ; eyes dark, flat and indistinct ; 
site of postero-median groove occupied by a smooth slightly 
elevated ridge, accessory grooves oblique, convergent anteriorly, 
short and deep ; marginal grooves represented by linear arrange- 
ment of confluent punctations only; festoons large, well-defined, 
longer than broad. Venter, surface finely wrinkled ; genital 
orifice between coxae II.; spiracles (Fig. 7) large, sub-triangular, 
Fig. 6. Amblyomma caelaturum g , dorsal aspect. 
Fig. 7. Amblyomma caelaturum. Spiracles, g and ? . 
