Answer:
Open food sources will encourage pests to enter your establishment. Once they have found an easy source of food, pests will breed, creating more of a problem. Store food in airtight containers wherever possible to discourage pests. Refrigerate cooked foods, preferably also sealed in airtight containers
Explanation:
Where do they come from?
A stored food product can become infested from production until it arrives in your home. But stored food is most likely to become infested in the grocery store or in homes. Most pantry pests also infest stored grain and may be found outdoors.
Food products that are left in storage for a long time are prone to infestation. But foods of any age can become infested.
