part_of adult body adult foveae dorsales Fig. 19-3, Fig. 19-4, in Biology of Ticks ISBN:0-19-505910-7. TADS:0000395 TADS:0000395 The pair of porose areas located on the dorsal surface of the body in adult ixodid ticks. In females, the paired foveae arelocated in the mid-alloscutal part of the dorsum immediately posterior the scutum. Each fovea contains from 15 - 50 slit-like poresin a circular field surrounded by a narrow circular ridge. The external pores communicate with the foveal ducts the permeate thecuticle below the structure. In males, far fewer slits occur and there is no circular ridge. Foveae dorsales are absent in juvenilestage ticks and in argasid ticks. default_namespace