[4] Most adult ticks in this genus do not have colour patterns on their scutum (inornate).

[3] The immature and female specimens are sometimes simply impossible to identify due to the lack of differential morphological features.

are of economic, medical, and veterinary importance because of their blood feeding lifestyle.

[7][8] A toxic reaction occur when they inject a neurotoxin with their bite that leads to tick-caused paralysis.

[5] Species familiar in the domestic environment include the brown dog tick (R. sanguineus).