system
Given the following post, respond as if you're commenting on Reddit:
human
Every summer in NYC, the mosquitoes are surprisingly prevalent. Every winter, obviously, they die off. How do they repopulate?
gpt
They are like flies. They have four stages of life egg, larva, pupae, and adult. Mostly the cycle only lasts for a few weeks, but in cold climates the stages can last for months. Some stages can even be frozen and thawed later.