Silverfish & Earwigs in Tucson Homes: What You Need to Know

When monsoon rains hit Tucson, many pests look for shelter indoors—including silverfish and earwigs. While they don’t spread disease like cockroaches or bite like mosquitoes, they can be a nuisance and cause damage in your home. Knowing why these pests invade and how to prevent them is key to keeping your home protected.

Why Silverfish Show Up in Tucson Homes

• Thrive in humid, damp conditions created by monsoon rains.

• Often found in bathrooms, kitchens, laundry rooms, and storage areas.

• Feed on paper, cardboard, glue, and fabrics—sometimes damaging books or clothing.

Close-up of a silverfish in a bathroom sink.

Earwigs and Their Monsoon Surge

• Drawn to moisture and shelter near foundations, mulch, and gardens.

• While they rarely pinch people, their presence indoors is unsettling.

• Can harm plants and seedlings, making them a problem for Tucson gardens.

How They Get Inside

• Gaps around windows, doors, and utility lines.

• Cracks in foundations or siding.

• Hitchhiking inside boxes, bags, or firewood.

Prevention Tips for Homeowners

✅ Reduce moisture—fix leaks, use dehumidifiers, and improve ventilation.

✅ Seal entry points with caulk or weatherstripping.

✅ Store paper goods and clothes in sealed containers.

✅ Keep mulch, woodpiles, and debris away from your home’s foundation.

When to Call the Pros

If you’re seeing silverfish or earwigs regularly, DIY prevention may not be enough. Professional pest control treatments create a barrier that keeps them from returning—even during Tucson’s challenging monsoon season.