In regions experiencing freezing winters, what structures allow American cockroaches to persist year-round?

Answer

Heated sub-structures like sewers, basements, and boiler rooms

In cooler latitudes, they rely heavily on the consistent warmth and shelter provided by heated internal structures such as sewers, basements, and utility rooms to survive freezing outdoor temperatures.

In regions experiencing freezing winters, what structures allow American cockroaches to persist year-round?
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