Ticks are not a pest of the landscape, but do pose a serious health threat to people and pets in the form of Lyme disease. Primarily carried in the deer tick, this disease can very debilitating, even fatal. People that live in areas with heavy deer populations are most prone to deer ticks. The ticks will often be found in wooded and grassy areas, and treatments are available to reduce tick populations.
Mosquitoes also pose a threat to human health in the form of Eastern Equine Encephalitis and West Nile Virus. Mosquitoes inhabit areas with stagnant water, and treatments are available to reduce their populations during the summer months.