Why the US Releases 50 Million Flies into Forests Every Week! — Highlights

Why the US Scatters Flies into Forests Every Week — Following the Defense Line on a Map

The New World screwworm fly, which eats the flesh of living animals. By releasing sterile males, the US eradicated it from the South in 1966 and pushed it all the way back to Panama at the tip of Central America, but in 2022 a crack formed in the defense line, and the flies have come back up as far as southern Mexico. A vertical Short that follows that route like a map.

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