Spiders in Peru

Peru is without a doubt one of the most beautiful countries in South America. However, be wary as it has some of the most deadliest spiders. The bites of these spider species will not only result in serious medical issues, but also amputation and even death when medical attention is not given right away. More about spider species you can find in Peru is discussed below.

Spiders in Peru

Spiders in Peru Identification Chart

Common Spiders in Peru

Silver Garden Orb weaver Spider (Argiope argentata) Common House Spider (Parasteatoda tepidariorum) Long-bodied Cellar Spider (Pholcus phalangioides)

Biggest Spiders in Peru

Pantropical Huntsman Spider (Heteropoda venatoria)

Most Venomous Spiders

Cobweb Spiders/Tangle Web Spiders (Theridiidae)

Female Brown Widow Spider Brown Widow (Latrodectus geometricus) - The Brown Widow Spider is a cool spider that belongs to the cobweb spiders family. Some people know more about its cousin, the Black Widow, but the Brown Widow has its own interesting story.… Continue Reading >

False Black Widow Spider False Black Widow (Steatoda grossa) - The False Black Widow spider is part of the Steatoda genus and is frequently confused with the more dangerous Black Widow Spider. Known by various names, including 'cupboard spider' and 'brown house spider' in Australia, this species sometimes earns the label of a pest in certain areas.… Continue Reading >

  • South American Black Widow spiders – Latrodectus curacaviensis

Sicariidae Spiders

Brown Spider Chilean Recluse (Loxosceles laeta) - Imagine a spider called the Chilean recluse. It's known to be the most dangerous of its kind because of its strong venom. While its name hints at its home in Chile, you can also find it in places like Ecuador, Argentina, and Brazil.… Continue Reading >

Less Venomous Spiders

Orb Weavers (Araneidae)

Golden Silk Orb-Weaver Spider Golden Silk Orb-Weaver (Nephila) - Have you ever seen a spider's web that shines like gold? Meet the Golden Silk Orb-Weaver! With 23 different types living around the world, they're known for their special golden webs.… Continue Reading >

Banded Garden Spider Banded Garden (Argiope trifasciata) - The banded garden spider is a common spider with two types: Argiope trifasciata deserticola and Argiope trifasciata kauaiensis. They prefer warm places and usually aren't around in cold winters because they don't like the chill.… Continue Reading >

Gasteracantha Cancriformis Spider Spinybacked Orbweaver (Gasteracantha cancriformis) - Discover the spiny-backed orb-weaver, a fascinating spider from the orb-weaver family. Found mostly in the New World, these spiders are known for the unique, spine-like bumps on their back.… Continue Reading >

Jumping Spiders

Gray Wall Jumping Spider Gray Wall Jumping (Menemerus bivittatus) - Did you know there's a spider called the Gray wall jumper? It belongs to the Salticidae family and is found in warm tropical places in both the north and south.… Continue Reading >

Lyssomanes Spider Lyssomanes - Jumping spiders are super interesting! Among them, there's a group called Lyssomanes with an impressive 90 different kinds. You can find them in Central and South America and even in the southern parts of the USA.… Continue Reading >

  • Adanson’s House Jumper – Hasarius adansoni
  • Pantropical Jumping Spider – Plexippus paykulli

Cobweb Spiders/Tangle Web Spiders (Theridiidae)

Image of Red House Spider Red House (Nesticodes rufipes) - Have you ever spotted a red spider in your home? It might be the red house spider! They're often found chilling in cool spots or near doorframes.… Continue Reading >

Triangulate Cobweb Spider Triangulate Cobweb (Steatoda triangulosa) - Meet the triangulate cobweb spider from the Steatoda genus! Found in places like North America, New Zealand, and Europe, this little spider has a neat triangular pattern on its back.… Continue Reading >

Spitting Spiders – Scytodidae

  • Chilean Tiger Spider – Scytodes globula

Tarantulas

Pink Toe Tarantula Size Pink Toe Tarantula (Avicularia avicularia) - The Pink-toed tarantula has many names like Guyana pinktoe and South American pinktoe. It's a special spider from South America that loves daylight and climbing high.… Continue Reading >

Lynx Spiders

  • Striped Lynx Spider – Oxyopes salticus

Woodlouse Hunter (Dysderidae)

Woodlouse Spider Size Woodlouse (Dysdera crocata) - Guess what? There's a spider called the woodlouse spider because it loves eating woodlice! It comes from places near the Mediterranean Sea.… Continue Reading >

Frequently Asked Questions

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The most venomous spiders in Peru include the South American Black Widow (Latrodectus curacaviensis) and species from the Sicariidae family. A bite from these spiders contains potent venom that can cause severe systemic reactions or necrotic lesions, requiring immediate professional medical evaluation and treatment to prevent serious complications.

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Yes, the South American Black Widow spider (Latrodectus curacaviensis) is native to Peru. This species is known for its potent neurotoxic venom, which can cause significant pain and systemic symptoms. A bite is considered medically significant and requires prompt attention from a healthcare professional for proper management.

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The Pantropical Huntsman spider is identified by its large, flattened body and long legs held in a crab-like position. Typically brown or grey, it is known for its impressive size and speed. Despite its intimidating appearance, this species is not considered dangerously venomous to humans, though a defensive bite is possible.

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Common spiders found inside houses in Peru include the Common House Spider (Parasteatoda tepidariorum) and the Long-bodied Cellar Spider (Pholcus phalangioides). These species are generally harmless to humans and are often found in corners, basements, or undisturbed areas, where they build webs to catch insects.

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No, the Silver Garden Orb weaver (Argiope argentata) is not considered dangerous to humans. While large and visually striking, its venom is not medically significant for people. A defensive bite might cause minor, localized irritation similar to a bee sting but does not typically require medical intervention.

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Sicariidae spiders are considered dangerous due to their potent cytotoxic venom, which can cause necrosis, or the death of skin and tissue. A bite can lead to a large, slow-healing open wound that may require surgical intervention. Prompt medical care is critical to manage the effects of the venom.

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If you suspect a bite from a venomous spider in Peru, you must seek immediate professional medical help. While waiting for assistance, stay calm, gently wash the area with soap and water, and apply a cool compress. Avoid applying a tourniquet or cutting the wound, as this can worsen damage.