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Spiders in Idaho: List with Pictures

Spiders in Idaho

Idaho has 12 unique spider species of which the brown recluse and the black widow are considered the most dangerous. The hobo that was detected here for the first time during the 1960s commonly thrives throughout the country, though its level of toxicity to humans remains a topic of debate.

Spiders in Idaho Identification Chart

Common Spiders in Idaho

Hobo (Eratigena agrestis)Cat-faced (Araneus gemmoides)

Largest Spider in Idaho

Hobo (Eratigena agrestis)

Highly Venomous Spiders

Sicariidae

Brown Recluse Image Brown Recluse Spider (Loxosceles reclusa) - The brown recluse spider is a special spider found mostly in the central and southern parts of the U.S. It's part of a small group of spiders in North America known for having strong venom, along with the Chilean recluse and black widow.… Continue Reading >

Cobweb (Theridiidae)

Western Black Widow Spider Western Black Widow (Latrodectus hesperus) - Have you ever heard about the Western Black Widow spider? It's a special spider found mostly in the western areas of North America. They are closely related to the northern black widow.… Continue Reading >

Less Venomous Spiders

Orb-weaver (Araneidae)

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 >

Western Spotted Orbweaver Western Spotted Orbweaver Spider (Neoscona oaxacensis) - Discover the world of the western spotted orb weaver spider! This fascinating creature belongs to the orb weaver spiders family and calls the Americas its home.… Continue Reading >

Cat Face Spider Pictures Cat-Faced (Araneus gemmoides) - The cat-faced spider, known to some as the jewel spider, thrives during the nighttime. Part of the orb-weaver family, these spiders create spiral webs shaped like wheels.… Continue Reading >

Jumping (Salticidae)

Bold Jumping Spider Picture Bold Jumping (Phidippus audax) - Bold jumping spiders are super cool members of the Salticidae spider family. They get attention for their amazing jumps and colorful looks. Instead of using webs to catch food, they like to sneak up on bugs and jump on them!… Continue Reading >

Cobweb (Theridiidae)

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 >

Prowling (Miturgidae)

  • Long-legged Sac (Cheiracanthuim mildei)

Funnel Weaver (Agelenidae)

Barn Funnel Weaver Spider Barn Funnel Weaver (Tegenaria domestica) - Discover the Barn Funnel Weaving Spider, a spider known by various names worldwide, like the Domestic House Spider in Europe and the Common House Spider in the Pacific Northwest.… Continue Reading >

Hobo Spider Image Hobo (Eratigena agrestis) - The Hobo spider is different from the Australian funnel-web, even though they both belong to the funnel-web spider group. With various scientific names like Philoica agrestis and Tegenaria rhaetica, these spiders can be found in Europe, Central Asia, and North America.… Continue Reading >

Ground (Gnaphosidae)

  • Sergiolus montanus

Wolf (Lycosidae)

  • Trochosa ruricola