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Cellar spider eyes (Joseph Berger, Bugwood.org)
Adult cellar spider with eggs (Olei, Wikimedia Commons)
Adult cellar spider (Joseph Berger, Bugwood.org)
- long delicate legs with small, elongate or globular body
- pale tan or yellow with a gray mark in the center of the carapace
- common in basements, crawlspaces and behind HVAC units, furniture, pianos and other seldom-moved objects, but can occur outdoors, too
- make irregular cobwebs near windows, over pipes, or all over the ceiling and walls, especially in corners
- female spider carries eggs in her fangs
- insects and other arachnids
- webs build up over time and collect dirt/dust making areas where they are located unsightly
- not known to be a health hazard
- Minimize nesting habitat around property (e.g., plants).
- Seal exterior cracks and crevices to reduce daytime hiding places.
- Regularly vacuum individuals and webs inside and outside of buildings.
- Reduce clutter in favored areas.
- Install tight-fitting door sweeps at the base of all exterior doors.
- Install tight-fitting screens in windows.
- Keep windows closed.
- Reduce other insects that serve as food.
- Change exterior lighting to sodium vapor bulbs.
IPM for Spiders: Integrated Pest Management in Sensitive Environments (University of Nebraska-Lincoln Extension)