How Do You Know If A Spider Is Poisonous

What is a poisonous spider? The term poisonous spider is used to describe any of the 120,000 species of spider around the world whose bite may be dangerous to humans directly, but not the venom itself. Of those species, only about 25 are considered medically important due to their toxicity. An additional 50-55 have bites that can lead to mild effects in most people such as localized pain and swelling at the bite site, fever, nausea and headaches. There are quite a few spiders in North America which people commonly refer to as ‘poisonous’, but this is an overstatement. A better description would be ‘venomous’ because less than 10 of the 120k species found here in North America possess venom which actually poses a threat to human health. By ‘dangerous’, I am referring to spiders that are sufficiently large enough and bold enough (i.e., they don’t run away when bumped into) that they could potentially pose a danger if encountered accidentally , or if you were trying to handle them during an encounter. Spiders have been around for a very long time. In 2011, a fossilized spider web was dated back to 138 million years ago. An ancient Chinese myth states that the spider goddess formed an army of spiders to fight off the insects that were plaguing people at the time. The idea behind spiders being able to be poisonous dates backs to the 12th century. The spider is thought to be one of the most poisonous creatures on Earth and has been known to save humans from lethal dangers. However, due to the fact that spiders are not inherently harmful and will only bite humans if provoked or threatened, arachnophobia has come about over the years.

How Do You Know If A Spider Is Poisonous

There are a lot of different kinds of spiders out there, but not all of them are poisonous. Some are cute and fuzzy, while some are downright terrifying. If you’re curious about whether your spider is poisonous or not, here’s how to tell:

1. Check the size. Poisonous spiders tend to be bigger than non-poisonous ones. They get that way by eating lots of insects, so if your spider is super small (like the size of a nickel), it’s probably not poisonous!

2. Take a look at the markings on their body. If your spider has stripes or spots, it’s probably harmless—and if it doesn’t have any markings at all? Well then chances are good that you’ve got yourself a venomous critter on your hands!

3. Look for signs of aggression from your spider toward other animals or humans in the house; if it seems especially aggressive towards humans or other pets in the house (or even towards itself), then it might be poisonous! Unique

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