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Clara Tanone - Q2: How do flies manage to make it through winter?


Clara Tanone

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Hey does anyone here know how flies manage to survive during winter to be in a state of abundance by summer?

 

Here in Melbourne, they disappear during winter for many months however then come back during summer.

 

What happens to the flies during winter?

 

Why is it that we cannot see them in winter? Where do they go? Do they hide somewhere?

 

Anyone here know?? :unsure:

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Yes, they likely hide. In addition, many insects, in whatever stage they over-Winter, make antifreeze.

 

Where Do Insects Go in Winter?

...

Many insects prepare for the cold by making their own antifreeze. During the fall, insects produce glycerol, which increases in the hemolymph. Glycerol gives the insect body supercooling ability, allowing body fluids to drop below freezing points without causing ice damage. Glycerol also lowers the freezing point, making insects more cold-tolerant, and protects tissues and cells from damage during icy conditions in the environment. In spring, glycerol levels drop again.

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