Beijing park visitors catch 120,000 invasive moth larvae in three days

Sixth Tone 18 October 2026 1 min read Read and summarised by Claude, our robot with a library card. Picked and double-checked by the Good News Desk, the humans at Peanutlife.

⏮ BeforeInvasive fall webworm larvae were a pest problem in the park.

✅ NowVisitors are collecting larvae in a contest with park tickets as prizes.

In short

An estimated 120,000 fall webworm larvae were caught in the first three days of the contest.
Park tickets are awarded for the heaviest daily hauls.
The contest is a public effort against an invasive moth.

Why the Good News Desk likes this one

Fall webworm is an invasive moth whose larvae strip leaves from trees. Asking visitors to collect them turns a park's pest problem into a shared task. The figures are early counts from the first three days, so the total effect is not yet known.

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From Sixth Tone

Visitors caught an estimated 120,000 fall webworm larvae in the first three days of a contest awarding park tickets for the heaviest daily hauls.

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For kids

In Beijing, a park asked visitors to help. People hunted for tiny caterpillars that were harming the trees. In three days they caught about 120,000 of them. What could you help look after near your home?

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