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They're the color of a dead leaf, with some white silk wrapped around it. They're actually quite dry inside, but the caterpillars themselves certainly have moisture in them. Now that I think about it more, though, neither the leaf nor the caterpillars need to actually burn. Simply punching...

That's so cool! I can't find a price on the website, but I can't imagine that it's in my price range.

I understand now, thank you. As I mentioned, there is someone attaching blowtorches to drones. I believe he's selling them for about $4000 each. I was hoping to find a more economical solution.

Lol that's quite an image. I don't think I did a good job describing the situation. Each tree has maybe 20 nests at most in a bad situation. When one nest is set on fire, remember it's one dry leaf with a few hundred baby (1/4 inch long) caterpillars and silk in it. Even with a blowtorch they...

Huh, ok. What about putting a laser on a drone? Unlike the blowtorch, it wouldn't require a big drone, which means it would be much cheaper and easier to navigate through branches

Thanks for your thoughtful reply, Mattronium. Pointing a laser into the sky was my biggest concern too. What's a diverging beam, and how would I add it to the Challenger 2? Since you think the 1W would be too weak, now I'm thinking the 3W 445nm Challenger 2. But I'm also wondering -- if a 1W...

Hi everyone! I'm a new member here, I don't know anything about lasers, and I'm actually just here asking for advice on a very strange and limited subject. I live in rural Mid-Coast Maine, and in the past few years we've had a horrible infestation of browntail moth caterpillars. They defoliate...