Where Do Japanese Hornets Build Their Nests?

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Japanese hornets usually build their nests higher up in the branches of trees or on the eaves of a roof. Find out why it's important to be careful around Japanese hornets with information from a biology teacher in this free video on insects.

Part of the Video Series: Wasp, Hornets, & Bees
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Video Transcript

I'm a big animal lover, but my general rule for animals is I prefer them to have four legs or less. Not so crazy about insects -- not for pets and not for hanging out with as friends. But as an ecologist, I know that they're very important to the ecosystem. I'm Janice Creneti, and I'm here to talk to you today about where do Japanese hornets build their nests? Well, when your body is two inches long and you've got a three wing...three-inch wingspan and your venom is strong enough to dissolve human flesh, the short answer is you build your nest anywhere you want. But seriously, there are some common requirements for where a Japanese hornet or any kind of hornet or wasp is going to build their nest. One of the things to realize is that when any animal is building its nest, one of the first things that it thinks about is how do I stay away from predators? That animal's spending an awful lot of time and energy creating that nest so that it can lay its eggs and cause its species to go on. So in general, you're going to find wasp nests, like the Japanese hornet -- hornets are actually wasps -- you're going to find those nests higher up. You might find them in the branches of a tree or you might also find them from the eaves of your roof. Something this big, you're probably going to find that covering a whole lot of your house. And that's something that you want to be very careful of. As I said, these particular species have a very, very dangerous bite. In fact, if you're bitten by a Japanese hornet, you actually need to seek medical attention right away. It's not something that you can take care of on your own. So I'm Janice Creneti, and this is where do Japanese hornets build their nests?


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