Most spiders are not aggressive and do not bite.

Males have yellow legs and females have orange legs, but both have dark marks on their abdominal area.

They are grayish-yellow in color and have long legs.

Common House Spiders in the United States

The Spruce / Ellen Lindner

Many people mistakenly believe that long-bodied cellar spiders have venom that would be lethal to humans.

Harvestmen

Sandra Standbridge

Harvestmen, also known as daddy long-legs, are not technically spiders.

They are a distant relative of the spider called Opiliones and are frequently confused with the above cellar spider.

Parasteatoda tepidariorum

Fyn Kynd / Flickr / CC By 2.0

When trying to determine if you’re dealing with cellar spiders or harvestmen, look at their body shape.

Cellar spiders are yellow and have two distinct body parts including a long, skinny abdomen.

Harvestmen have two body segments as well, but they don’t look like it.

Cellar Spider

Paul Starosta

These spiders commonlywander into homesbut can also be carried in on firewood or plants.

Many jumping spiders have red or white markings on their abdomens and can be confused for black widows.

It was long believed that hobo spiders had a dangerous bite.

Harvestmen

Sandra Standbridge

Wolf Spiders

Wolf spidersare large, hairy hunting spiders that have three rows of eyes.

They are black or brown but can be gray and often have a patterned body.

They are frequently confused with tarantulas and are found throughout North America north of Mexico.

jumping spider

Anake Seenadee / Getty Images

Wolf spiders are primarily outdoor spiders that hunt nocturnally.

They do not construct webs but instead spend their lives running from place to place seeking out food sources.

Place them up against the wall or behind dark, damp areas where spiders hide.

Funnel Weaver

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Brown Recluse

Brown recluse spidersare a part of theSicariidaefamily and are the most dangerous spiders of theLoxoscelesspecies.

They are brown in color and have a dark violin-shaped marking on their back behind their eyes.

Brown recluse spiders are found most often in the midwestern and southern United States.

wolf spider

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They use their silk to construct tent-like coverings in low corners.

They hide behind these silky structures during the daytime, resting before their nocturnal hunting starts.

What Is Cytotoxin

Cytotoxin is a toxin that affects the body’s cells.

Black widow spider

Kimberly Hosey / Getty Images

There are close to 180 species of orb-weaver spiders found throughout the world.

Orb-weavers are very docile spiders but may bite when threatened.

The webs of grass spiders are large and resemble a sheet, with one opening at the end.

Brown Recluse Spider

Schiz-Art / Getty Images

They are very fast and are not harmful to humans unless they feel threatened.

If you have an invasion problem, there are plenty of ways tocontrol house spiders.

The more bugs, the more food for spiders to feast on.

Yellow sac spider

Mad Max / Wikimedia Commons / CC BY-SA 3.0

A common house spider typically has a lifespan of up to one to two years.

The American house spider is the most common house spider.

It is small and harmless, and only bites when threatened.

spiny-backed orb weaver spider in web

Erin Cogswell / Shutterstock

Common house spiders are very shy and do not rush out to attack a person.

Most spiders eat other household insects, like flies, ants, moths, cockroaches, and earwigs.

Some even eat other spiders.

Grass cross spider - Argiope catenulata

Jeevan Jose / Wikimedia Commons / CC BY-SA 3.0

Black widow spider bite.

Brown recluse bite: symptoms, treatment & stages.

“Symptoms of Venomous Spider Bites.

“Centers for Disease Control and Prevention.