12 days ago · Beijing
Beijing fights invasive moths with parasitic wasps and caterpillar-catching contests

What's happening
SignalsMonitor is following this as a general story. South China Morning Post Asia is the outlet attached so far. The reports are tied to Beijing. The first report grouped here was at 4 Oct 2026, 11:00 UTC. The headline in use is “Beijing fights invasive moths with parasitic wasps and caterpillar-catching contests”. This note is SignalsMonitor's own briefing, not the publisher's article.
What we know
Authorities in the Chinese capital are releasing more than a billion parasitic wasps and encouraging caterpillar-catching competitions to try to contain the spread of the invasive North American fall webworm. The caterpillars have blanketed trees in Beijing and surrounding areas this summer, spinning clouds of greyish-white webs as they eat…
Story timeline
Reports grouped into this story, earliest first. Exact repeats from the same outlet are collapsed.
- First reported by South China Morning Post Asia
Beijing fights invasive moths with parasitic wasps and caterpillar-catching contests
Reported by 1 outlet
- South China Morning Post
- South China Morning PostBeijing fights invasive moths with parasitic wasps and caterpillar-catching contests