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Mailboxes offer ideal conditions for insects during summer. They are enclosed, rarely disturbed, and shielded from rain, wind, and predators. Metal mailboxes, in particular, absorb warmth during the morning and provide a cooler retreat later in the day, creating a comfortable balance for insects such as wasps, spiders, and ants. What may seem like a harmless hiding spot can become problematic when mail carriers open dozens, sometimes hundreds, of mailboxes each day without knowing what might be inside. For them, every unexpected web, nest, or insect movement can add stress to an already physically demanding job.
Reaching into a mailbox may not seem risky, but surprise encounters can be unsettling. Even without injury, the sudden appearance of an insect can cause discomfort or hesitation, slowing down deliveries and creating unnecessary anxiety. Fortunately, a simple and widely shared solution has gained popularity for addressing this seasonal issue. Many homeowners have started placing a scented dryer sheet inside their mailbox. The fragrance naturally discourages insects from settling in the space, making the mailbox less appealing as a temporary shelter.
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