What Spiders Are in Michigan?

If you’re visiting Michigan, you’ll find that there are a wide variety of spiders to encounter. Many of them are harmless and others are venomous. To learn more about the state’s spiders, check out this guide.

The most commonly found spiders in Michigan are the wolf spider and the Black Widow. These are members of the family Lycosidae. They are powerful hunters and have large bodies. Usually, these species live in the woods. They are also nocturnal, and prefer to hide during the day.

Wolf spiders are the largest spiders in Michigan. Their venom is not dangerous to humans, but the bite can cause itching, swelling, and pain.

The woodlouse spider is another species of spider that can be found in Michigan. This spider eats woodlice and has big fangs that can puncture their exoskeletons. It is also a sowbug killer.

Another common spider in Michigan is the cellar spider, also known as the daddy long legs. This species is a nocturnal hunter that can be found in homes.

There are also several types of venomous spiders in Michigan, including the brown recluse and the black widow. However, the brown recluse is the most feared spider in the state. As its name suggests, it is a tan, gray, or brown spider with a violin-shaped mark on its back.

The female Black Widow spider is a quarter-to-three-eighths inch in size and has a red hourglass-shaped mark on its abdomen. Males are half that size.