The Secret Life of Light Brown House Spiders: What You Need to Know - Spider Insect

The Secret Life of Light Brown House Spiders: What You Need to Know

Light brown house spiders are one of the most common species of spiders found in homes all over the world. They are small, usually ranging from about 3-10 mm in length, and have light to dark brown coloring. These spiders are well-known for their ability to spin webs, which they use to capture and eat their prey. However, there is much more to these spiders than meets the eye. In this article, we’ll explore the secret life of light brown house spiders and what you need to know about them.


Light brown house spiders are found all over the world and prefer to live in warm, dark, and humid environments. They are commonly found in homes, especially in basements, crawl spaces, and attics. They are also known to live in garages, sheds, and other outdoor structures.


Light brown house spiders are nocturnal and spend most of their time resting during the day. They become active at night when they go out to hunt for food. These spiders are not aggressive and are generally harmless to humans. They do not bite unless they feel threatened or cornered.


As mentioned earlier, light brown house spiders spin webs that they use to capture prey. They eat a wide range of insects and other arthropods, including mosquitoes, flies, and other spiders. These spiders are beneficial to have around the house because they help keep the insect population under control.


Light brown house spiders mate in the fall, and the female lays her eggs in a sac. The sac is usually hidden away in a secluded area, such as a crack in the wall or behind furniture. The female may produce several sacs throughout the year, with each sac containing up to several hundred eggs.


Light brown house spiders go through three stages of development: the egg, the larva, and the adult. The eggs hatch into spiderlings, which are small and white. As they develop, they molt their skin several times until they reach adulthood, which takes about one year.


The best way to prevent light brown house spiders from infesting your home is to keep it clean and free of clutter. Regularly vacuuming and dusting can help remove spider webs and deter spiders from setting up shop in your home. Sealing up cracks and other entry points can also help keep spiders out.

In conclusion, light brown house spiders are a fascinating and beneficial species of spider to have around the house. They are not aggressive and help keep the insect population under control. By following the prevention tips mentioned above, you can keep these spiders from becoming a nuisance in your home. So, the next time you see a light brown house spider, remember that they are more than just a spider – they are an essential part of the ecosystem.

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