Why the US Drops 14.7 Million Worms On Panama Every Week

Half as Interesting · 3.5M views · 2024 · 8:18

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Animals & natureEnvironment, agriculture & food systemsBiology & biotechnologyexplainernews

Why Hacker News recommends it

Cited in screwworm threads as a short description of the sterile-insect barrier system that worked for decades.

What it is

A Half as Interesting explainer on the US program that drops millions of sterile screwworm flies over Panama every week to keep the parasite out of North America.

Recommended by 1 HN commenters across 1 different months, 2024 to 2025.

What Hacker News said

Recommends colechristensen · 2025-08 · on “Mexico to US livestock trade halted due to screwworm spread”

Here's a video describing the system that fell apart which had been working for a long time to keep these flies out of north america [this video]

Cites positr0n · 2024-09 · on “The Ultra-Selfish Gene”

Wow bummer, do you have a good link about that? Screw worms are controlled very successfully this way, although they are sterilized via radiation not genetic modification. I wonder if that makes a difference. Sorry to ask you for a link and use a YouTube video as my source but it's the best I got right now: [this video]

Cites anitil · 2024-10 · on “Egypt declared malaria-free after 100-year effort”

I believe now they use sterile mosquito larva to achieve the same now [0], though it's from a youtube video so I'm not sure how much to trust it. [0] [this video]