As a matter of fact, inside the house, they are going to be moving towards basements or attics. Also they will go anywhere where there are large numbers of cardboard boxes stored. There they can rip that paper up and create themselves a nest. And in furniture, if you move your sofa cushions, you’ll see droppings.
In the winter rats are looking for a safe haven to bunker down away from the cold weather, places that are out of sight but still protected from the cold.
Controlling rodent populations is of the utmost concern for restaurant owners. In matter of fact Rodents can fit through very small holes. They can fit in the size of a quarter for a rat to the size of a dime for a mouse.
Once rodents get inside, they can make a home for themselves just about anywhere that has a food and water source and a safe place to hide.
Mice and rats are attracted by food crumbs and scraps, pet food, and “pretty much anything that’s organic in or around the home.”
Moreover homeowners should also check seals on doors if you can see daylight it’s a possible entry points. In and under sheds, garages and items being stored under tarps to see if there are any unwelcome tenants.

Why have bedbugs become such a problem?

In light of wide spread bed bugs infestation Scientists believe that bedbugs have developed resistance to some insecticides. Furthermore travel is helping to spread the resistant insects worldwide. Another, major contributor is the failure of many hotels and residential landlords to identify infestations promptly. They have to dispose off or treat infested bedding and carpeting.Similarly the biological mechanisms include a thickening of the bedbugs’ exterior cuticle. Insecticide does not penetrate properly, and metabolic resistance, in which the insects produce extra amounts of detoxification enzymes.