Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
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Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
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The pea aphid insect explodes itself thereby sacrificing its life to protect its relatives from predators.
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Mosquitoes don't just bite you, they also pee on you.
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Placing alcohol on a scorpion's back will make it go crazy and fatally sting itself.
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The katydid bug hears through holes in its hind legs!
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