Missouri has two species of black widows: In females of the southern black widow, Latrodectus mactans, the hourglass marking has both parts of the hourglass connected.

What is the most poisonous spider in Missouri?

Black Widows are the most venomous spider in Missouri!

In addition, they are probably the most popular and recognizable spider in the world.

Are there any poisonous spiders in Missouri?

There are two species of poisonous spiders in Missouri. The black widow and the brown recluse. Despite the common belief that bites from poisonous spiders are often fatal, deaths from spider bites are extremely rare in humans.

Are there black widow spiders in St Louis?

There are only two spiders in North America that pose a medical danger to humans. Unfortunately, both of those spiders live in St. Louis – black widows and brown recluses.

What states can black widows be found?

The Northern Black Widow Spider is found throughout the eastern US, from southern Canada south to Florida, and west to eastern Texas, Oklahoma and Kansas. In Michigan, they appear to be more common in the western Lower Peninsula.

What is the most common spider in Missouri?

The most common spiders in Missouri are:

  • Common House Spiders.
  • Cellar Spiders.
  • Wolf Spiders.
  • Brown Recluses.
  • Black Widows.

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