EGOMON
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These creatures celebrate Halloween everyday!
Ladybug Picnic
There is something particularly brutal about an adorable ladybug getting zombified. The perp in this case is a green-eyed wasp known as Dinocampus coccinellae. A female lands on a ladybug and jabs it in the belly, injecting an egg and virus. The egg hatches in situ and the larva goes to work eating the beetles insides. It doesnt kill the beetle thoughthats too kind. Instead, when the larva is big enough, it gnaws its way out of the beetle's underbelly and starts spinning a cocoon in between its legs. With the virus scrambling up its brain, the ladybug becomes a zombie bodyguard, paralyzed in place over the cocoon. Eventually, an adult wasp emerges, ready to take on life, while the ladybug is left as a dead shell.
Ball Buster
Sacculina carcini is a parasitic castrator. Yes, castrator. In its larval stage, it swims freely in the ocean. When it finds a crab, however, it burrows inside a joint opening in the crustaceans exoskeleton. Inside, it grows, matures, and takes away the crabs ability to reproduce (hence "castrator"). Eventually, it flops outside the crab as a yellow sac, hanging precisely where the crabs eggs normally would. As the imposter develops its own eggs, the disillusioned crab cares for and nurtures them as it would its own, ensuring the parasite spreads to other crabs.
Hacking The Web
On a good day, the orb-weaving spider Plesiometa argyra, a native of Costa Rica, spends its time catching unwitting insects in its web and happily sucking them dry. On the worst day of its life, it gets stung by the parasitoid wasp Hymenoepimecis argyraphaga. The attacker paralyzes the unfortunate spider with venom and glues an egg to its back. The freshly hatched larva then gets to feed unmolested upon the living spiderbut thats not the end of it. Like forcing a prisoner to knot his own noose, the larva chemically induces the spider to tear down its web and spin a deformed one instead. The larva spins a cocoon and hangs, safe from danger, in the new web. Meanwhile the spiders husk, finally drained by the larva, is left to rot.
Curiosity Killed The Rat
Toxoplasma gondii is a protozoan that can infect nearly any warm blooded mammal, including humans. But it can only sexually reproduce in cats bellies. Its harmless to them...less so to others. When T. gondii winds up in other mammals (it travels around via cat poop), it replicates asexually and embeds itself into organseven the brainas little cysts. Still, it always wants to get back to a cat. So in animals like mice and ratscat lunch and dinner, respectivelythe protozoan fiddles with its hosts brain, altering its behavior in ways that make it fearless and even attracted to felines. This, of course, leads to a dead rat and a happy T. gondii back home inside a kitty.
Because you were wondering: T. Gondii is prevalent in humans, but is kept in check by a healthy immune system. Pregnant women and people with weak immune systems, however, can develop toxoplasmosis, a serious and sometimes fatal illness. Some studies have suggested that the parasite could also affect behavior and personality in people, but this is still pretty contested.
Dead Ant Walking
If ants could speak, they would probably refer to Ophiocordyceps with abject fear. Small spores of the fungus enter an ants body by dissolving its cuticle (skin) with enzymes. Once inside, the fungus grows, filling the ant like a sausage. As it does, it also changes the ants brain chemistry and compels it to scale a tree. In its last dying moments, the swollen insect clamps its jaws down on a leaf. With the zombie's corpse securely anchored, fungal stalks burst from the body and sprinkle spores onto unsuspecting insects below. If a zombie apocalypse ever happens, this has to be how its going down.
It's Not Easy Being Green
In the mid-1990s, federal and state agencies freaked out when kids in the Midwest started finding deformed frogs with extra legs. The culprit turned out to be a trematode, or flatworm, called Ribeiroia ondatrae. The worm begins its journey of destruction in freshwater snails. It produces thousands of clones that eat away a third of the snails bodywhile keeping it alive so it will function as a mobile parasite factory. Then, free-swimming worms pump out of the snail, find a tadpole, and burn their way into its body with acid. They burrow specifically where the tadpoles back legs will grow, so as it becomes a frog, its limbs morph into twisted, useless appendages. The resulting abominations can barely move around, let alone escape predators, and are easily snatched up by herons. The big birds then carry Ribeiroia hundreds of miles, pooping it out in lakes and ponds as they fly, and perpetuating the grotesque cycle of death.
Source: Popular Science
Ladybug Picnic
There is something particularly brutal about an adorable ladybug getting zombified. The perp in this case is a green-eyed wasp known as Dinocampus coccinellae. A female lands on a ladybug and jabs it in the belly, injecting an egg and virus. The egg hatches in situ and the larva goes to work eating the beetles insides. It doesnt kill the beetle thoughthats too kind. Instead, when the larva is big enough, it gnaws its way out of the beetle's underbelly and starts spinning a cocoon in between its legs. With the virus scrambling up its brain, the ladybug becomes a zombie bodyguard, paralyzed in place over the cocoon. Eventually, an adult wasp emerges, ready to take on life, while the ladybug is left as a dead shell.
Ball Buster
Sacculina carcini is a parasitic castrator. Yes, castrator. In its larval stage, it swims freely in the ocean. When it finds a crab, however, it burrows inside a joint opening in the crustaceans exoskeleton. Inside, it grows, matures, and takes away the crabs ability to reproduce (hence "castrator"). Eventually, it flops outside the crab as a yellow sac, hanging precisely where the crabs eggs normally would. As the imposter develops its own eggs, the disillusioned crab cares for and nurtures them as it would its own, ensuring the parasite spreads to other crabs.
Hacking The Web
On a good day, the orb-weaving spider Plesiometa argyra, a native of Costa Rica, spends its time catching unwitting insects in its web and happily sucking them dry. On the worst day of its life, it gets stung by the parasitoid wasp Hymenoepimecis argyraphaga. The attacker paralyzes the unfortunate spider with venom and glues an egg to its back. The freshly hatched larva then gets to feed unmolested upon the living spiderbut thats not the end of it. Like forcing a prisoner to knot his own noose, the larva chemically induces the spider to tear down its web and spin a deformed one instead. The larva spins a cocoon and hangs, safe from danger, in the new web. Meanwhile the spiders husk, finally drained by the larva, is left to rot.
Curiosity Killed The Rat
Toxoplasma gondii is a protozoan that can infect nearly any warm blooded mammal, including humans. But it can only sexually reproduce in cats bellies. Its harmless to them...less so to others. When T. gondii winds up in other mammals (it travels around via cat poop), it replicates asexually and embeds itself into organseven the brainas little cysts. Still, it always wants to get back to a cat. So in animals like mice and ratscat lunch and dinner, respectivelythe protozoan fiddles with its hosts brain, altering its behavior in ways that make it fearless and even attracted to felines. This, of course, leads to a dead rat and a happy T. gondii back home inside a kitty.
Because you were wondering: T. Gondii is prevalent in humans, but is kept in check by a healthy immune system. Pregnant women and people with weak immune systems, however, can develop toxoplasmosis, a serious and sometimes fatal illness. Some studies have suggested that the parasite could also affect behavior and personality in people, but this is still pretty contested.
Dead Ant Walking
If ants could speak, they would probably refer to Ophiocordyceps with abject fear. Small spores of the fungus enter an ants body by dissolving its cuticle (skin) with enzymes. Once inside, the fungus grows, filling the ant like a sausage. As it does, it also changes the ants brain chemistry and compels it to scale a tree. In its last dying moments, the swollen insect clamps its jaws down on a leaf. With the zombie's corpse securely anchored, fungal stalks burst from the body and sprinkle spores onto unsuspecting insects below. If a zombie apocalypse ever happens, this has to be how its going down.
It's Not Easy Being Green
In the mid-1990s, federal and state agencies freaked out when kids in the Midwest started finding deformed frogs with extra legs. The culprit turned out to be a trematode, or flatworm, called Ribeiroia ondatrae. The worm begins its journey of destruction in freshwater snails. It produces thousands of clones that eat away a third of the snails bodywhile keeping it alive so it will function as a mobile parasite factory. Then, free-swimming worms pump out of the snail, find a tadpole, and burn their way into its body with acid. They burrow specifically where the tadpoles back legs will grow, so as it becomes a frog, its limbs morph into twisted, useless appendages. The resulting abominations can barely move around, let alone escape predators, and are easily snatched up by herons. The big birds then carry Ribeiroia hundreds of miles, pooping it out in lakes and ponds as they fly, and perpetuating the grotesque cycle of death.
Source: Popular Science
