Eli5: Where do insects go when temperatures drop below -25C in the winter and isn’t the soil frozen for them to go under?

Question

Eli5: Where do insects go when temperatures drop below -25C in the winter and isn’t the soil frozen for them to go under?

In: 661

Answer 1

Insects have a lifecycle that goes like egg > larva > pupa > adult. A cold snap could kill all the adult insects, but if there’s still eggs or grubs hanging out underground, underwater, or in some sheltered spot, then they’ll be back before long.