Weird Nature
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The Grossest Bugs on Earth

Updated June 18, 2020 20.3k votes 4.1k voters 182.4k views14 items

List RulesOnly arthropods that are actually shuddery-gross... not necessarily scary or dangerous.

I love insects. I do. I fear spiders, but I respect them and try not to let my fear control me when I see one. However, there are bugs that are simply gross. Just really, really gross. Not just ugly (though, definitely ugly), but also nasty in their habits and their behavior. These are the grossest bugs in the world. I know I've left some off the list, so go ahead and add any I've missed. Vote up the nastiest of the nasty.

These aren't the deadliest bugs in the world, nor the scariest bugs you'll ever come across - though some might give you a fright. These little dudes are just super gross - the grossest, nastiest bugs ever.

  • 5


    Photo: L. Shyamal / Wikimedia Commons / CC BY 2.5

    There must be something about a shiny carapace, right? Or maybe it's those little moving pincher things on the butt, which they use to capture and hold prey.

    Their gross name may be related to the old wives' tale that earwigs burrowed into the brains of humans through the ear and laid their eggs there. Earwigs like hiding in warm humid crevices and I suppose nothing is stopping thrm from occasionally crawling into the human ear canal (much like any other small organism). Not that I've ever heard of something like that happening. (Though a spider did once crawl into mom's ear when she was sleeping. I know. I didn't sleep for a week after that.)

    Earwigs can also do that cockroach thing and get all flat to fit into the tiniest places you could ever imagine. Barf.

    Is this gross?
  • 6

    Cave Spider

    Also known as the Tailless Whip Scorpion, this is neither a spider nor a scorpion. But it sure the @$#%#$% is terrifying.
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  • 7

    Palmetto Bug

    This is basically a cockroach. It looks just like it, but when I lived in Miami, these things weren't content to lurk in corners. They would come out onto the walls, and they would FLY. Yes, these are larger-than-normal cockroaches. That can fly. So they are definitely making this list. 

    Flying. Giant. Cockroaches.
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  • 8

    Camel Spider

    Is this gross?