# The wasps that horrified Darwin reveal evolution's one-way streets

- Source: Phys.org - latest science and technology news stories
- Published: 2026-11-06T22:20:01+00:00
- Category: Science
- Original: https://phys.org/news/2026-11-wasps-horrified-darwin-reveal-evolution.html
- Canonical: https://groundlevelnews.com/story/the-wasps-that-horrified-darwin-reveal-evolution-s-one-way-streets-cb0f99/

Few insects have a more gruesome lifestyle than Darwin wasps. Rather than simply hunting other animals, these parasitic wasps lay their eggs on or inside living hosts, including caterpillars, beetles and spiders. Their larvae then feed on their hosts, gradually consuming them and eventually killing them.

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