These spiders live in urban and rural areas. They sometimes live in homes, but more often live outside. Their brown, black, white, grey, and tan coloration helps them blend into the bark of trees.

Keep in mind that if the spider is identified as dangerous to human health (like a black widow or brown recluse), then proceed with caution in disposing of it, says Crumbley. According to the ...

Black widows are notorious spiders identified by the colored, hourglass-shaped mark on their abdomens. Several species answer to the name, and they are found in temperate regions around the world.

Brown trapdoor spiders can be black, and funnel-web spiders can be a variety of colours, including red, bright green or blue, or even white if they have just moulted. Dr Buzatto said ...

A bite from a brown recluse spider, or Loxosceles reclusa ... It looks like a big, black scab covering the wound area. Most brown recluse bites will heal fully within 3 months.