A Bug’s Life: Surviving the Winter
When the weather turns cold, we don’t think much about insects. What exactly happens to them during winter? The term overwintering is used to describe how insects navigate the challenges of the winter months and successfully come out on the other side. Insects typically have two different approaches to overwintering. Some utilize the “get out of Dodge” tactic and relocate to a more hospitable environment. The other group, those that don’t migrate, must figure out a way to handle the freezing temperatures where they live. Insect ‘Snowbirds’ Take a Vacation We often hear the slang ‘snowbird’ used to refer to people who escape the harsh weather of winter by temporarily moving to warmer locales. Well, you could say there are also insect ‘snowbirds’ that employ this same method. Monarch butterflies are the classic example. They cannot survive in freezing conditions and will fly thousands of miles to their ‘summer home.’ While most insects typically don’t travel this far, there are...