Wasps are important in ecosystems as pest-controllers, pollinators and decomposers. Britain’s wasps have become mysteriously scarce this summer possibly due to an unusual combination of temperature swings, heatwaves, and food shortages. Even remaining wasps appear unusually small, potentially offering a glimpse of how extreme heat could reshape insect populations.
www.sciencedaily.com/releases/2026/09/260911003901.htm