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IdentifySpidersBy stateGuidesArticles

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Guides

Each guide answers one question completely, using observations you can make without touching anything.

  • Brown Recluse or Wolf Spider? Size Settles It

    Wolf spiders are big, hairy and patterned. Recluses are small and plain. Five differences you can check from a photograph, starting with the one that resolves most cases.

    3 min read

  • Black Widow or Common House Spider? Look Underneath

    Widows and house spiders build the same messy web in the same dark corner. The red hourglass underneath is the whole test — plus three backup checks including the egg sac.

    3 min read

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Free step-by-step identification for rocks, snakes, spiders, plant problems, mould, mushrooms, trees and fish — built around what you can actually see and test.

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Bug Identifier+ does the part a website cannot: identification from a photograph, offline, at the moment you are standing in front of the thing.

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A spreading, painful or worsening skin lesion is a reason to see a doctor, whatever caused it. Most suspected spider bites turn out to be infections.

Identification guidance here is for general and educational use. Confirm anything that matters — safety, health, value or legality — with someone qualified.

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