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Ridgeline Pest Control
Pest guide

Black Widow Spiders

Glossy black spiders with a red hourglass marking that build messy webs in garages, sheds, and woodpiles.

Most active
RiskHigh — venomous bite

Signs you have them

Irregular webs low to the ground in sheds, garages, meter boxes, and under outdoor furniture.

How to keep them out

Wear gloves when moving stored items; clear clutter; seal gaps; regular perimeter treatments.