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zakruti.com » Knowledge, science, education » TED-Ed
The bizarre world of parasitic wasps - Miles Zhang

The bizarre world of parasitic wasps - Miles Zhang

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Rating: 4.5; Vote: 2
Explore the gruesome evolutionary strategy employed by parasitoid wasps where they feed off other animals to grow their offspring. A cockroach and jewel wasp are locked in battle. The wasp latches onto the cockroach and inserts her stinger into the cockroach's brain, where her venom blocks its fight-or-flight response. Now, the cockroach is essentially a zombie, and its carcass will be used to grow the wasp s offspring. Miles Zhang explores the gruesome evolutionary strategy known as parasitoidism.
Date: 2023-01-13

Comments and reviews: 14


Augustus De Morgan: Great fleas have little fleas upon their backs to bite 'em, And little fleas have lesser fleas, and so ad infinitum. And the great fleas themselves, in turn, have greater fleas to go on; While these again have greater still, and greater still, and so on.
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Amazing animation as always, combined with an interesting, yet unsettling topic. The best way to learn is to pair them together! And people are more likely to remember creepy topics if they have such a great animation to accompany them too.
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SO weird I just learned about the wasp and cockroach 2 days ago and saw it actually happen. It s so nice to see it animated instead. Wish I had seen this version first: ) I cant stop seeing the real thing now. :(
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Well the idea that the insect biodiversity crisis of their hyper specific host species goes out or is greatly reduced in numbers hundreds of wasp species go out with them. Crazy when you think about it
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Fascinating topic but hard to take serious or learn from due to the unnecessarily anthropomorphic animation. Please stop making non-human creatures resemble humans. their natural form is far more interesting.
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I use to wonder why these types of wasps haven't driven their host prey extinct. It turns out, in addition to predators and parasites of their own, the host immune system can sometimes fight off the larva.
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To be honest I've never had problems with anything bloody or wore-y but the narrators voice really didn't help the gruesome scene that was introduced to us viewers. What a horrifying parasite
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Just imagine something like that happening to a man. Oh wait, we already got that in Ridley Scott's Alien (1979. The monster is not so alien after all, here on Earth we call it parasitoid: )
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My favorite is the blue-eyed Ensign wasp(twerking wasp. they parasite on cockroach eggs. I saw few of them in our house and for a good 3-4 months we have not seen a single cockroch.
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I m writing a play with a character who is super into this kind of stuff, and uses it from thematic purposes. I JUST got to a parasitic wasp reference so this is perfect!
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Honestly killing a host off after seems so wasteful
Are there any parasitoids that go out of their way to spare their victims for repeated future use?

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Honestly killing a host off after seems so wasteful
Are there any parasitoids that go out of their way to spare their victims for repeated future use?

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'Yes the world is very splendid, but it also has in it insect, that the whole life cycle is to borrow the eyes of children. ' - Stephen Fry

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Ok wasps are dicks. if a bug can make Darwin question the existence of God by being literally this bad, you know that they are dicks!
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