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How Do I Find an Ant Scent Trail?

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How Do I Find an Ant Scent Trail?

Photo Credit: Chris Stein / Getty Images

Photo Credit: Chris Stein / Getty Images
Question: How Do I Find an Ant Scent Trail?
Answer: Ant invasions usually start with a few lone ants striking out to find a food source for the rest of the colony. Those scout ants mark a scent path to the food, and then return to the colony. Soon larger numbers of ants will follow that trail to the food.

An ant's scent trail usually becomes first noticed inside a home through a cracked area in a wall or floor. It may also be first visible from a baseboard along the floor. Other entry points might be unsealed holes to the exterior, including plumbing entry points. Usually the trail continues in a fairly straight line towards a food source. Often the food source is an area of crumbs or a sticky spill. It might also be a pantry, food cabinet, or even a small appliance with food residue.

An ant scent trail is invisible to humans. The easiest way to see a scent trail is to watch the ants traveling in a line. Very rarely will a few ants break off from the line to scout new food sources. Early on in an invasion, the unbroken line to the food will mark the pathway of the scent trail.

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