You also have to ask the other way around: What do ticks do to their hosts? Animals such as moose or reindeer can suffer greatly from heavy tick infestations. D

You also have to ask the other way around: What do ticks do to their hosts? Animals such as moose or reindeer can suffer greatly from heavy tick infestations. Depending on the death rate this causes removing the ticks could have similar effects to removing predators such as wolves from the ecosystem. However there are many tick species, and I doubt the impact would be that strong, but who knows.