Wolf Spiders - School IPM - USU Extension

    Wolf Spiders

    Lycosidae

    Wolf Spider

    Classic wolf spider eye pattern (Opoterser, Wikimedia Commons)

    Female wolf spider

    Female wolf spider with egg sac (Wikimedia Commons)

    Wolf spider

    Female wolf spider with spiderlings on back (Circumjacence, Wikimedia Commons)

    Identification

    • small to very large spiders
    • unique eye pattern (top image)
    • females carry egg sacs on spinneretts and spiderlings on their back

    Nesting Habits

    • solitary wandering hunters
    • not found in webs
    • found in ornamental plantings, under objects, woodpiles, in mulch, etc.
    • some small black species occur in great numbers in lawns in the spring, causing alarm

    Diet

    • insects and spiders

    Significance

    • can be a nuisance when they mistakenly entering buildings
    • not known to be a health hazard
    • beneficial

    IPM Recommendations

    • Minimize nesting habitat around property.
    • Seal exterior cracks and crevices to reduce hiding places.
    • Regularly vacuum individuals and webs.
    • Reduce clutter indoors and outdoors.
    • Install tight-fitting door sweeps.
    • Install tight-fitting screens in windows.
    • Reduce other insects that serve as food.
    • Use pest monitors to capture wandering spiders.
    • Change exterior lighting to sodium vapor bulbs.

    Additional Resources:

    IPM for Spiders: Integrated Pest Management in Sensitive Environments (University of Nebraska-Lincoln Extension)