Mastodawn

crvscience Mar 23, 2025

Butterfly populations falling on average 1.3% per year in the continental US, with some populations falling by as much as 40%. With 650 recorded species, only 342 were present in enough numbers to calculate trends.

🧪🌎🐛🦋 #EcoSky #EvoSky #Lepidoptera #Biology #Entomology

phys.org/news/2025-03...
https://phys.org/news/2025-03-national-analysis-america-butterflies-catastrophic.html

First national analysis finds America's butterflies are disappearing at 'catastrophic' rate

America's butterflies are disappearing because of insecticides, climate change and habitat loss, with the number of the winged beauties down 22% since 2000, a new study finds.

Phys.org