Sunday, April 28, 2024

Giant House Spider Eratigena atrica: Facts, Identifications, & Pictures

giant house spider

After mating, the female Giant House Spider assumes the responsibility of ensuring the survival of the species. She meticulously selects secluded locations to lay her precious egg sacs. These egg sacs can contain hundreds of eggs, each representing the potential for new life.

Bugging the Northwest: Giant (but harmless) house spiders are among us – ‘Just wave as they go by’

They can be found in dark, quiet spaces like cabinets and undisturbed rooms like attics, basements, and garages. As the name suggests, these spiders are often found inside the home. American House spiders have a bulbous abdomen and are brown in color with white or darker patches and lines. Another myth that will be hardly comforting to most people — spiders are actually not more numerous in late summer.

giant house spider

Common House Spiders in California (Pictures)

Their venom is used for hunting their prey and is not harmful to humans. In terms of size, the giant house spider (UK) has been known to display a leg span of up to 120mm wide (which is about the diameter of a Compact Disc!). Female giant house spiders are larger than males, and will also live for several years, usually outliving males. If you live in the UK and find a big spider in your home, you might be seeing one of these scary-looking giant arachnids, known as the giant house spider. The giant house spider is not a medically significant spider.

Hobo spider

giant house spider

They prefer to avoid contact with humans and hide during the day, meaning they are most often seen at night. Giant house spiders  are a very common spider species found in North Carolina. They have a leg span that can reach up to 4 inches, with a brown and hairy body. Their abdomen is patterned with a series of marks, usually lighter than their overall body color. What is true is that giant house spiders are big, reaching 4 inches with their leg span. Although the female has a larger body, the males have longer legs, according to Iowa State University’s BugGuide.

For example, what we commonly refer to as “daddy-longlegs” are, in most cases, not really spiders. There are actually indoor spiders and outdoor spiders, which are completely different species. The giant house spider was introduced to British Columbia, Canada, around 1900 and has since spread out along the U.S. Independent populations have also been recorded around the Great Lakes in Wisconsin and Michigan.

Debunking Myths About Giant House Spiders

It’s important to note that while Giant House Spiders may appear intimidating due to their size, they are generally harmless to humans. Their venom is not potent enough to cause any serious harm, and they are not aggressive unless provoked. In fact, these spiders play a beneficial role in controlling the population of pests, making them valuable allies in the ecosystem. Giant House Spiders usually inhabit dark, damp environments such as basements, crawl spaces, and garages. These areas provide them with the ideal conditions for survival, as they prefer the cool and moist environment. The spiders often seek out hidden corners and crevices where they can build their webs and wait for unsuspecting prey to become entangled.

Our exterminators use ongoing prevention, removal, and exclusion methods to ensure your property is safe from infestations. Ja-Roy is proud to have joined forces with Dugas Pest Control and Presto-X to provide our exceptional service to even more homes and businesses in Louisiana. When it comes to hunting, Giant House Spiders are skilled predators. They rely on their excellent vision to detect movement and vibrations, allowing them to locate potential prey. Once a suitable target is identified, the spider will swiftly move in and immobilize its victim using its venomous fangs.

Seattle's giant house spiders: Big and fast, but they won't kill you - KUOW News and Information

Seattle's giant house spiders: Big and fast, but they won't kill you.

Posted: Fri, 01 Sep 2023 07:00:00 GMT [source]

This preference for secluded areas is a survival strategy that allows them to remain hidden from potential threats while patiently waiting for their next meal to cross their path. To minimize their presence in your living spaces, it is advisable to practice proper clutter elimination and engage in regular cleaning routines. We make it transparent how we can offer you high-quality content, competitive prices and useful tools by explaining how each comparison came about. This gives you the best possible assessment of the criteria used to compile the comparisons and what to look out for when reading them.

What Do Giant House Spiders Look Like?

Giant house spiders are not aggressive and usually run away, very rapidly, when startled. Giant House Spider bites are not serious and the giant house spiders’ venom is only harmful to individuals with specific allergies. They are often found in garages or basements, as well as outdoors, in firewood, or in gaps between bricks or stones. They build webs with a funnel-like hole in the center, where they sit and wait for prey. The giant house spider is not an active climber and indoors can be found on the floor or trapped in sinks and bathtubs where it has ventured in search of water.

Seeing a spider in your home may give you the heebie-jeebies, but they are common in California homes. For the most part, these house spiders in California are harmless, but it helps to be able to identify these eight-legged creatures when you see one. This is a list of common house spiders found in the state of California.

The average lifespan of a Giant House Spider is around one to two years. During this time, they continue to play a vital role in maintaining the balance of nature. Their feeding habits and hunting prowess contribute to the control of insect populations, helping to keep the ecosystem in check. Once the eggs hatch, tiny spiderlings emerge, ready to embark on their own journey of growth and development. These young spiders go through several molting stages, shedding their exoskeletons as they grow larger. Each molt brings them closer to adulthood, and with each stage, they become more skilled hunters.

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With this species, it is only the adult females that are dangerous. An adult female Western Black Widow is shiny and black with an orange or red hourglass shape on the abdomen. The spider species Eratigena atrica, commonly known as Giant House Spider, belongs to the genus Eratigena, in the family Agelenidae.

They live up to three years, and their diet consists of small insects. They tend to build webs in the corners of your home, especially near a window. They capture insects in their webs, inject them with venom, and then save them to be eaten later. While these eight-legged creatures may give you the heebie-jeebies, they are very helpful in controlling the insect population inside your home.

As almost all spiders, it possesses venom glands and given its size, also the possibility to penetrate human skin. However, the spider itself is very shy and its first instinct is to run (very fast) and hide when a larger being (humans or animals) approaches. In the few cases in which a giant house spider bites a human or a pet, the symptoms can include some local swelling and pain, comparable to a bee sting. The giant house spider has been treated as either one species, under the name Eratigena atrica, or as three species, E. As of April 2020[update], the three species view was accepted by the World Spider Catalog.

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