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Giant house spider

Giant house spider

Eratigena duellica

A species of Eratigena

The most common place you'll find giant house spider is in your house. It likes to hide in basements, behind cabinets, or in corners where there's rarely human activity — hence the name house spider. As a nocturnal creature, you are most likely to see it with a flashlight. The giant house spider is a known deterrent to the hobo spider (Eratigena agrestis), which has a more dangerous bite.

Toxic to Animals
Toxic to Animals
Bite Humans
Bite Humans
General Info About Giant house spider
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Attributes of Giant house spider
Colors
Brown
Black
Allergy-causing
Not reported
Defensive attack
The Giant house spider has special defensive behaviors that can trigger an allergic reaction. If there are serious reactions, seek IMMEDIATE medical attention.
Venomous
The Giant house spider can induce toxic reactions varying in severity. Nevertheless, these toxins primarily target their prey and predators and are usually not fatal to humans.
Non-poisonous
Not reported
Borer
Not reported
Pollinator
Not reported
Pest-Eating Predatory
Not reported
Phytophagous
Not reported
Predatory
The Giant house spider typically preys on other arthropods and does not directly affect plants.
Biting animal or pet
Yes
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Distribution Area of Giant house spider
Canada, United States, Europe
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Predators of Giant house spider Larvae
Frogs and toads, birds, lizards, centipedes, ants, wasps
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Interesting Facts About Giant house spider
Giant house spider builds funnel-shaped webs, traps its prey using impressive speed, and has a unique migratory behavior rarely seen in other spider species.
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Scientific Classification of Giant house spider
Tips for Finding Giant house spider
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How Can You Attract Giant house spider
Insects serve as the primary food source for giant house spider, as giant house spider are predators who build webs to capture their prey.
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When is the Best Time to Observe Giant house spider
Late evening or night is the best time to find giant house spider since they are nocturnal creatures and are the most active during this period.
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What is the Best Weather to Observe Giant house spider
Mild, humid climates without rain are suitable weather conditions for observing giant house spider, as they prefer to avoid the extremes of temperature and moisture.
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How and Where Can You Find Giant house spider at Different Life Stages
Juvenile Giant house spider juveniles are smaller and may not make as extensive webs as adults. Look for them in sheltered places like under rocks, logs, or leaf litter where they can stay safe from predators.
Adult Giant house spider adults are larger and construct their typical funnel-shaped webs. To find an adult giant house spider, check for these webs in the corners of buildings, sheds, windows, or dense vegetation. Approach quietly and shine a flashlight sideways along the web to illuminate giant house spider without casting a shadow.
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Are Giant house spider harmful to humans?

Funnel weavers, like most spiders, have fangs and can inject venom into prey. The toxicity of the venom is limited. For humans, the bite of the funnel spider is not serious in most cases unless the patient himself has a severe allergic reaction to the venom.
Harmful Effects of Giant house spider
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Toxic to Animals
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Bite Humans
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Toxic to Animals

Giant house spider can inflict a mild venom through its fangs, primarily as a defense mechanism or to subdue prey. The toxin affects both large animals, including humans and pets, as well as smaller creatures. While the venom often results in slight discomfort or localized pain for larger species, the outcome can be more severe for smaller animals, potentially leading to incapacitation or predation.

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Bite Humans

Giant house spider typically avoids human interaction and bites are rare. Bites may occur defensively if provoked or threatened, particularly among adult specimens. The bite delivers a mild venom, with effects generally limited to minor redness or slight discomfort at the bite site. Giant house spider doesn't actively seek to bite humans.

More Effects of Giant house spider

Common Questions People Also Ask
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