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Spider Control Services

Miche Pest Control is a family owned and operated pest control company that provides residential and commercial pest control services for spiders, including woodlouse spiders, in Washington DC, Maryland, and Northern Virginia. Our expert spider exterminators get rid of woodlouse spider infestations fast, and use preventative methods to keep woodlouse spiders from coming back after they've been eliminated. Miche Pest Control has a 4.9 star rating and over 1,000 reviews online - click the button below to get started, or give us a call today!

Woodlouse Spiders: The Ultimate Guide

Are you wondering if woodlouse spiders are dangerous? Our expert guide tells you everything you need to know about these eight-legged pests.

Woodlouse spiders, also known as woodlouse hunters, sowbug hunters, sowbug killers, pillbug hunters and slater spiders, are a type of spider that belongs to the family Dysderidae. They are small, predatory spiders that are native to Europe and have since been introduced to other parts of the world. In this guide, we will delve into the world of woodlouse spiders, including their physical characteristics, behavior, habitat, and more.

Physical Characteristics

Woodlouse spiders are small, with a body length of about 10 to 30 mm. They have a reddish-brown to black color and are covered in small, hairy spines. They have six eyes arranged in three pairs, which is unusual for spiders, which usually have eight eyes.


Woodlouse spiders are nocturnal creatures and are most active at night. During the day, they can often be found hiding in dark, moist places, such as under logs or rocks.

At night, woodlouse spiders come out to hunt for insects and other small prey. They use their venomous bite to subdue and kill their prey. Woodlouse spiders do not spin webs to catch their prey and instead hunt by running after their prey or lying in wait to ambush it.

Woodlouse spiders are solitary creatures and do not form social groups. They do not have a mating season and can breed year-round. After mating, the female spider will lay her eggs in a silk sac and then leave the sac to hatch on its own.


Woodlouse spiders are native to Europe and have since been introduced to other parts of the world, including North America and Australia. They can be found in a variety of habitats, including forests, fields, and urban areas. They prefer to live in moist, cool environments and are often found in damp, shaded areas, such as under logs or rocks.

In the wild, woodlouse spiders can be found in a variety of habitats, including forests, fields, and gardens. They are also known to hide in homes and other buildings, where they can be found in basements, attics, and crawl spaces.


Woodlouse spiders are small, predatory spiders that are native to Europe. They are known for their reddish-brown to black color and their habit of hiding in dark, moist places. Although they can be intimidating to some people, woodlouse spiders are generally not aggressive and will only bite if they feel threatened. If you spot a woodlouse spider in your home or elsewhere, it is important to use caution and avoid disturbing it. If you are bitten by a woodlouse spider, seek medical attention immediately.

Frequently Asked Questions About Woodlouse Spiders

What are woodlouse spiders?

Woodlouse spiders are one of the most unique types of spiders you may encounter around your property. Part of the order Araneae and the family of Dysderidae, woodlouse spiders prey primarily on woodlice, earning their name. Woodlouse spiders are generally dark-red on their cephalothorax and legs with a shiny yellow-brown abdomen. They have six eyes and a large pair of chelicerae, which are appendages right by the mouth of the spider. Woodlouse spiders range 1/4 and 1/2 an inch long, with the females of the species typically being larger than males.

Are woodlouse spiders dangerous?

Despite their somewhat frightening appearance, the woodlouse spider is one of the more harmless spiders you may encounter. This spider can bite if it feels threatened but doesn’t possess enough venom that the bite will really affect an individual. However, like other spiders, bites from woodlouse spiders can trigger allergic reactions in some people. If you have any concerning symptoms after being bitten by this spider, such as trouble breathing or swallowing, seek medical attention immediately.

Why do I have a woodlouse spider problem?

A woodlouse spider problem around your property is typically caused by having many of the factors that attract these pests easily available. Woodlouse spiders love areas with high humidity and will invade spaces that offer this. Additionally, woodlouse spiders will find themselves on your property if you have plenty of food sources available. To keep spiders away in DC, MD & VA, you should identify and remove attractants around your property.

Where will I find woodlouse spiders?

In outdoor areas, woodlouse spiders live around woodpiles and cluttered areas. You may also see them under other outdoor debris, such as rocks, leaf piles, fallen branches, and overgrown plants. When they sneak into interior areas, woodlouse spiders will head to basements, storage areas, or garages that have lots of clutter to hide in.

How do I get rid of woodlouse spiders?

If you want to get rid of spiders around your property, contact Miche Pest Control for expert woodlouse spider control. Our team of experts will inspect your property for signs of these pests and work with you to create targeted treatment plans. We can remove woodlouse spiders in no time at all.

How can I prevent woodlouse spiders in the future?

Preventing woodlouse spiders in the future is easy when you follow these simple deterrent tips:

  • Seal up cracks and gaps around windows, doors, and the foundation to ensure that woodlouse spiders can’t easily sneak into interior areas.
  • Make sure you have proper ventilation around the interior of your home and utilize dehumidifiers in basements or other humid areas.
  • Keep outdoor areas clear of woodpiles, clutter, and overgrown grass and foliage to reduce woodlouse spider access to harborage areas.
  • Address pest prey issues around your property with the help of Miche Pest Control to remove easy food sources for woodlouse spiders.

Contact Miche Pest Control if you have more questions about woodlouse spider prevention or if you need help removing them from your property. 

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