Mosquitoes do not disappear completely during the winter. They enter a dormant state called diapause, during which their development and metabolism slow down significantly. Adult female mosquitoes find sheltered locations such as underground burrows, tree hollows, or animal shelters, where they can survive the cold temperatures. Some mosquito species overwinter as eggs or larvae, while others migrate to warmer regions. As temperatures rise and conditions become favorable in the spring, mosquitoes emerge from diapause and resume their life cycle.